v2.4.17

.gitattributes

@@ -1 +0,0 @@
-*.js    text eol=lf

.github/ISSUE_TEMPLATE/bug_report.md

@@ -1,51 +0,0 @@
----
-name: Bug report
-about: Create a report to help us improve
-title: ''
-labels: ''
-assignees: ''
-
----
-
-<!-- Note: sub-optimal but correct code is not a bug -->
-
-**Uglify version (`uglifyjs -V`)**
-
-**JavaScript input**
-
-<!--
-A complete parsable JS program exhibiting the issue with UglifyJS alone
-- without third party tools or libraries.
-
-Ideally the input should be as small as possible, but may be large if isolating
-the problem proves to be difficult. The most important thing is that the
-standalone program reliably exhibits the bug when minified. Provide a link to a
-gist if necessary.
-
-Solely providing minified output without the original uglify JS input is not
-useful in determining the cause of the problem. Issues without a reproducible
-test case will be closed.
--->
-
-**The `uglifyjs` CLI command executed or `minify()` options used.**
-
-<!--
-Command-line or API call to UglifyJS without third party tools or libraries.
-
-For users using bundlers or transpilers, you may be able to gather the required
-information through setting the `UGLIFY_BUG_REPORT` environment variable:
-
-    export UGLIFY_BUG_REPORT=1      (bash)
-    set UGLIFY_BUG_REPORT=1         (Command Prompt)
-    $Env:UGLIFY_BUG_REPORT=1        (PowerShell)
-
-before running your usual build process. The resulting "minified" output should
-contain the necessary details for this report.
--->
-
-**JavaScript output or error produced.**
-
-<!--
-Only minified code that produces different output (or error) from the original
-upon execution would be considered a bug.
--->

.github/workflows/build.yml

@@ -1,58 +0,0 @@
-name: Build testing
-on:
-  pull_request:
-  push:
-    branches: [ master ]
-jobs:
-  ufuzz:
-    strategy:
-      fail-fast: false
-      matrix:
-        options:
-          - '-mb braces'
-          - '--ie -c'
-          - '-mc'
-          - '-p acorn --toplevel -mco spidermonkey'
-          - '--toplevel -mc passes=3,pure_getters,unsafe'
-        script:
-          - acorn.sh
-          - bootstrap.sh
-          - buble.sh
-          - butternut.sh
-          - mathjs.sh
-          - rollup-es.sh
-          - rollup-ts.sh
-          - sucrase.sh
-          - web-tooling-benchmark.sh
-        include:
-          - node: '14'
-            script: acorn.sh
-          - node: '14'
-            script: bootstrap.sh
-          - node: '14'
-            script: buble.sh
-          - node: '14'
-            script: butternut.sh
-          - node: '14'
-            script: mathjs.sh
-          - node: '8'
-            script: rollup-es.sh
-          - node: '14'
-            script: rollup-ts.sh
-          - node: '14'
-            script: sucrase.sh
-          - node: '14'
-            script: web-tooling-benchmark.sh
-    name: ${{ matrix.script }} ${{ matrix.options }}
-    runs-on: ubuntu-latest
-    env:
-      NODE: ${{ matrix.node }}
-      OPTIONS: ${{ matrix.options }}
-      SCRIPT: ${{ matrix.script }}
-    steps:
-      - uses: actions/checkout@v2
-      - name: Perform uglify, build & test
-        shell: bash
-        run: |
-          . ./test/release/install.sh
-          ./test/release/$SCRIPT $OPTIONS

.github/workflows/ci.yml

@@ -1,28 +0,0 @@
-name: CI
-on:
-  pull_request:
-  push:
-    branches: [ master ]
-jobs:
-  test:
-    strategy:
-      matrix:
-        node: [ '0.10', '0.12', '4', '6', '8', '10', '12', '14', '16', latest ]
-        os: [ ubuntu-latest, windows-latest ]
-        script: [ compress, mocha, release/benchmark, release/jetstream ]
-    name: ${{ matrix.node }} ${{ matrix.os }} ${{ matrix.script }}
-    runs-on: ${{ matrix.os }}
-    env:
-      NODE: ${{ matrix.node }}
-      TYPE: ${{ matrix.script }}
-    steps:
-      - uses: actions/checkout@v2
-      - uses: actions/cache@v2
-        with:
-          path: tmp
-          key: tmp ${{ matrix.script }}
-      - name: Perform tests
-        shell: bash
-        run: |
-          . ./test/release/install.sh
-          node test/$TYPE

.github/workflows/ufuzz.yml

@@ -1,44 +0,0 @@
-name: Fuzzing
-on:
-  pull_request:
-  schedule:
-    - cron: '*/15 * * * *'
-  workflow_dispatch:
-  workflow_run:
-    branches: [ master ]
-    types: [ completed ]
-    workflows: [ 'Build testing', CI ]
-env:
-  BASE_URL: https://api.github.com/repos/${{ github.repository }}
-  TOKEN: ${{ github.token }}
-jobs:
-  ufuzz:
-    strategy:
-      fail-fast: false
-      matrix:
-        include:
-          - node: '16'
-            os: macos-latest
-          - node: '12'
-            os: ubuntu-latest
-          - node: '8'
-            os: ubuntu-latest
-          - node: '12'
-            os: windows-latest
-          - node: '8'
-            os: windows-latest
-    name: ${{ matrix.node }} ${{ matrix.os }}
-    runs-on: ${{ matrix.os }}
-    env:
-      NODE: ${{ matrix.node }}
-    steps:
-      - uses: actions/checkout@v2
-      - name: Perform fuzzing
-        shell: bash
-        run: |
-          . ./test/release/install.sh
-          if [[ $GITHUB_EVENT_NAME == "pull_request" ]]; then
-            node test/ufuzz/job 5000
-          else
-            node test/ufuzz/job $BASE_URL $TOKEN $GITHUB_RUN_NUMBER
-          fi

.gitignore

@@ -1,3 +1,2 @@
-/node_modules/
-/npm-debug.log
 tmp/
+node_modules/

.travis.yml

@@ -0,0 +1,6 @@
+language: node_js
+before_install: "npm install -g npm"
+node_js:
+    - "0.8"
+    - "0.10"
+    - "0.11"

CONTRIBUTING.md

@@ -1,61 +0,0 @@
-Contributing
-============
-
-## Documentation
-
-Every new feature and API change should be accompanied by a README additon.
-
-## Testing
-
-All features and bugs should have tests that verify the fix. You can run all
-tests using `npm test`.
-
-The most common type of test are tests that verify input and output of the
-Uglify transforms. These tests exist in `test/compress`. New tests can be added
-either to an existing file or in a new file `issue-xxx.js`.
-
-Tests that cannot be expressed as a simple AST can be found in `test/mocha`.
-
-## Code style
-
-- File encoding must be `UTF-8`.
-- `LF` is always used as a line ending.
-- Statements end with semicolons.
-- Indentation uses 4 spaces, switch `case` 2 spaces.
-- Identifiers use `snake_case`.
-- Strings use double quotes (`"`).
-- Use a trailing comma for multiline array and object literals to minimize diffs.
-- The Uglify code only uses ES5, even in the `harmony` branch.
-- Line length should be at most 80 cols, except when it is easier to read a
-  longer line.
-- If both sides of a comparison are of the same type, `==` and `!=` are used.
-- Multiline conditions place `&&` and `||` first on the line.
-
-**Example feature**
-
-```js
-OPT(AST_Debugger, function(self, compressor) {
-    if (compressor.option("drop_debugger"))
-        return make_node(AST_EmptyStatement, self);
-    return self;
-});
-```
-
-**Example test case**
-
-```js
-drop_debugger: {
-    options = {
-        drop_debugger: true,
-    }
-    input: {
-        debugger;
-        if (foo) debugger;
-    }
-    expect: {
-        if (foo);
-    }
-}
-```
-
-

LICENSE

@@ -1,6 +1,6 @@
 UglifyJS is released under the BSD license:
 
-Copyright 2012-2019 (c) Mihai Bazon <mihai.bazon@gmail.com>
+Copyright 2012-2013 (c) Mihai Bazon <mihai.bazon@gmail.com>
 
 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions

lib/minify.js

@@ -1,277 +0,0 @@
-"use strict";
-
-var to_ascii, to_base64;
-if (typeof Buffer == "undefined") {
-    to_ascii = atob;
-    to_base64 = btoa;
-} else if (typeof Buffer.alloc == "undefined") {
-    to_ascii = function(b64) {
-        return new Buffer(b64, "base64").toString();
-    };
-    to_base64 = function(str) {
-        return new Buffer(str).toString("base64");
-    };
-} else {
-    to_ascii = function(b64) {
-        return Buffer.from(b64, "base64").toString();
-    };
-    to_base64 = function(str) {
-        return Buffer.from(str).toString("base64");
-    };
-}
-
-function read_source_map(name, toplevel) {
-    var comments = toplevel.end.comments_after;
-    for (var i = comments.length; --i >= 0;) {
-        var comment = comments[i];
-        if (comment.type != "comment1") break;
-        var match = /^# ([^\s=]+)=(\S+)\s*$/.exec(comment.value);
-        if (!match) break;
-        if (match[1] == "sourceMappingURL") {
-            match = /^data:application\/json(;.*?)?;base64,([^,]+)$/.exec(match[2]);
-            if (!match) break;
-            return to_ascii(match[2]);
-        }
-    }
-    AST_Node.warn("inline source map not found: {name}", {
-        name: name,
-    });
-}
-
-function parse_source_map(content) {
-    try {
-        return JSON.parse(content);
-    } catch (ex) {
-        throw new Error("invalid input source map: " + content);
-    }
-}
-
-function set_shorthand(name, options, keys) {
-    keys.forEach(function(key) {
-        if (options[key]) {
-            if (typeof options[key] != "object") options[key] = {};
-            if (!(name in options[key])) options[key][name] = options[name];
-        }
-    });
-}
-
-function init_cache(cache) {
-    if (!cache) return;
-    if (!("props" in cache)) {
-        cache.props = new Dictionary();
-    } else if (!(cache.props instanceof Dictionary)) {
-        cache.props = Dictionary.fromObject(cache.props);
-    }
-}
-
-function to_json(cache) {
-    return {
-        props: cache.props.toObject()
-    };
-}
-
-function minify(files, options) {
-    try {
-        options = defaults(options, {
-            annotations: undefined,
-            compress: {},
-            enclose: false,
-            ie: false,
-            ie8: false,
-            keep_fargs: false,
-            keep_fnames: false,
-            mangle: {},
-            module: false,
-            nameCache: null,
-            output: {},
-            parse: {},
-            rename: undefined,
-            sourceMap: false,
-            timings: false,
-            toplevel: !!(options && options["module"]),
-            v8: false,
-            validate: false,
-            warnings: false,
-            webkit: false,
-            wrap: false,
-        }, true);
-        if (options.validate) AST_Node.enable_validation();
-        var timings = options.timings && { start: Date.now() };
-        if (options.annotations !== undefined) set_shorthand("annotations", options, [ "compress", "output" ]);
-        if (options.ie8) options.ie = options.ie || options.ie8;
-        if (options.ie) set_shorthand("ie", options, [ "compress", "mangle", "output", "rename" ]);
-        if (options.keep_fargs) set_shorthand("keep_fargs", options, [ "compress", "mangle", "rename" ]);
-        if (options.keep_fnames) set_shorthand("keep_fnames", options, [ "compress", "mangle", "rename" ]);
-        if (options.module) set_shorthand("module", options, [ "compress", "parse" ]);
-        if (options.toplevel) set_shorthand("toplevel", options, [ "compress", "mangle", "rename" ]);
-        if (options.v8) set_shorthand("v8", options, [ "mangle", "output", "rename" ]);
-        if (options.webkit) set_shorthand("webkit", options, [ "compress", "mangle", "output", "rename" ]);
-        var quoted_props;
-        if (options.mangle) {
-            options.mangle = defaults(options.mangle, {
-                cache: options.nameCache && (options.nameCache.vars || {}),
-                eval: false,
-                ie: false,
-                keep_fargs: false,
-                keep_fnames: false,
-                properties: false,
-                reserved: [],
-                toplevel: false,
-                v8: false,
-                webkit: false,
-            }, true);
-            if (options.mangle.properties) {
-                if (typeof options.mangle.properties != "object") {
-                    options.mangle.properties = {};
-                }
-                if (options.mangle.properties.keep_quoted) {
-                    quoted_props = options.mangle.properties.reserved;
-                    if (!Array.isArray(quoted_props)) quoted_props = [];
-                    options.mangle.properties.reserved = quoted_props;
-                }
-                if (options.nameCache && !("cache" in options.mangle.properties)) {
-                    options.mangle.properties.cache = options.nameCache.props || {};
-                }
-            }
-            init_cache(options.mangle.cache);
-            init_cache(options.mangle.properties.cache);
-        }
-        if (options.rename === undefined) options.rename = options.compress && options.mangle;
-        if (options.sourceMap) {
-            options.sourceMap = defaults(options.sourceMap, {
-                content: null,
-                filename: null,
-                includeSources: false,
-                names: true,
-                root: null,
-                url: null,
-            }, true);
-        }
-        var warnings = [];
-        if (options.warnings) AST_Node.log_function(function(warning) {
-            warnings.push(warning);
-        }, options.warnings == "verbose");
-        if (timings) timings.parse = Date.now();
-        var toplevel;
-        if (files instanceof AST_Toplevel) {
-            toplevel = files;
-        } else {
-            if (typeof files == "string") {
-                files = [ files ];
-            }
-            options.parse = options.parse || {};
-            options.parse.toplevel = null;
-            var source_map_content = options.sourceMap && options.sourceMap.content;
-            if (typeof source_map_content == "string" && source_map_content != "inline") {
-                source_map_content = parse_source_map(source_map_content);
-            }
-            if (source_map_content) options.sourceMap.orig = Object.create(null);
-            for (var name in files) if (HOP(files, name)) {
-                options.parse.filename = name;
-                options.parse.toplevel = toplevel = parse(files[name], options.parse);
-                if (source_map_content == "inline") {
-                    var inlined_content = read_source_map(name, toplevel);
-                    if (inlined_content) {
-                        options.sourceMap.orig[name] = parse_source_map(inlined_content);
-                    }
-                } else if (source_map_content) {
-                    options.sourceMap.orig[name] = source_map_content;
-                }
-            }
-        }
-        if (quoted_props) {
-            reserve_quoted_keys(toplevel, quoted_props);
-        }
-        [ "enclose", "wrap" ].forEach(function(action) {
-            var option = options[action];
-            if (!option) return;
-            var orig = toplevel.print_to_string().slice(0, -1);
-            toplevel = toplevel[action](option);
-            files[toplevel.start.file] = toplevel.print_to_string().replace(orig, "");
-        });
-        if (options.validate) toplevel.validate_ast();
-        if (timings) timings.rename = Date.now();
-        if (options.rename) {
-            toplevel.figure_out_scope(options.rename);
-            toplevel.expand_names(options.rename);
-        }
-        if (timings) timings.compress = Date.now();
-        if (options.compress) {
-            toplevel = new Compressor(options.compress).compress(toplevel);
-            if (options.validate) toplevel.validate_ast();
-        }
-        if (timings) timings.scope = Date.now();
-        if (options.mangle) toplevel.figure_out_scope(options.mangle);
-        if (timings) timings.mangle = Date.now();
-        if (options.mangle) {
-            toplevel.compute_char_frequency(options.mangle);
-            toplevel.mangle_names(options.mangle);
-        }
-        if (timings) timings.properties = Date.now();
-        if (options.mangle && options.mangle.properties) mangle_properties(toplevel, options.mangle.properties);
-        if (timings) timings.output = Date.now();
-        var result = {};
-        var output = defaults(options.output, {
-            ast: false,
-            code: true,
-        });
-        if (output.ast) result.ast = toplevel;
-        if (output.code) {
-            if (options.sourceMap) {
-                output.source_map = SourceMap(options.sourceMap);
-                if (options.sourceMap.includeSources) {
-                    if (files instanceof AST_Toplevel) {
-                        throw new Error("original source content unavailable");
-                    } else for (var name in files) if (HOP(files, name)) {
-                        output.source_map.setSourceContent(name, files[name]);
-                    }
-                }
-            }
-            delete output.ast;
-            delete output.code;
-            var stream = OutputStream(output);
-            toplevel.print(stream);
-            result.code = stream.get();
-            if (options.sourceMap) {
-                result.map = output.source_map.toString();
-                var url = options.sourceMap.url;
-                if (url) {
-                    result.code = result.code.replace(/\n\/\/# sourceMappingURL=\S+\s*$/, "");
-                    if (url == "inline") {
-                        result.code += "\n//# sourceMappingURL=data:application/json;charset=utf-8;base64," + to_base64(result.map);
-                    } else {
-                        result.code += "\n//# sourceMappingURL=" + url;
-                    }
-                }
-            }
-        }
-        if (options.nameCache && options.mangle) {
-            if (options.mangle.cache) options.nameCache.vars = to_json(options.mangle.cache);
-            if (options.mangle.properties && options.mangle.properties.cache) {
-                options.nameCache.props = to_json(options.mangle.properties.cache);
-            }
-        }
-        if (timings) {
-            timings.end = Date.now();
-            result.timings = {
-                parse: 1e-3 * (timings.rename - timings.parse),
-                rename: 1e-3 * (timings.compress - timings.rename),
-                compress: 1e-3 * (timings.scope - timings.compress),
-                scope: 1e-3 * (timings.mangle - timings.scope),
-                mangle: 1e-3 * (timings.properties - timings.mangle),
-                properties: 1e-3 * (timings.output - timings.properties),
-                output: 1e-3 * (timings.end - timings.output),
-                total: 1e-3 * (timings.end - timings.start)
-            };
-        }
-        if (warnings.length) {
-            result.warnings = warnings;
-        }
-        return result;
-    } catch (ex) {
-        return { error: ex };
-    } finally {
-        AST_Node.log_function();
-        AST_Node.disable_validation();
-    }
-}

lib/propmangle.js

@@ -1,259 +0,0 @@
-/***********************************************************************
-
-  A JavaScript tokenizer / parser / beautifier / compressor.
-  https://github.com/mishoo/UglifyJS
-
-  -------------------------------- (C) ---------------------------------
-
-                           Author: Mihai Bazon
-                         <mihai.bazon@gmail.com>
-                       http://mihai.bazon.net/blog
-
-  Distributed under the BSD license:
-
-    Copyright 2012 (c) Mihai Bazon <mihai.bazon@gmail.com>
-
-    Redistribution and use in source and binary forms, with or without
-    modification, are permitted provided that the following conditions
-    are met:
-
-        * Redistributions of source code must retain the above
-          copyright notice, this list of conditions and the following
-          disclaimer.
-
-        * Redistributions in binary form must reproduce the above
-          copyright notice, this list of conditions and the following
-          disclaimer in the documentation and/or other materials
-          provided with the distribution.
-
-    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER “AS IS” AND ANY
-    EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-    IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
-    PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE
-    LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
-    OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-    PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
-    PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-    THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
-    TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
-    THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
-    SUCH DAMAGE.
-
- ***********************************************************************/
-
-"use strict";
-
-var builtins = function() {
-    var names = new Dictionary();
-    // NaN will be included due to Number.NaN
-    [
-        "null",
-        "true",
-        "false",
-        "Infinity",
-        "-Infinity",
-        "undefined",
-    ].forEach(add);
-    [
-        Array,
-        Boolean,
-        Date,
-        Error,
-        Function,
-        Math,
-        Number,
-        Object,
-        RegExp,
-        String,
-    ].forEach(function(ctor) {
-        Object.getOwnPropertyNames(ctor).map(add);
-        if (ctor.prototype) {
-            Object.getOwnPropertyNames(new ctor()).map(add);
-            Object.getOwnPropertyNames(ctor.prototype).map(add);
-        }
-    });
-    return names;
-
-    function add(name) {
-        names.set(name, true);
-    }
-}();
-
-function reserve_quoted_keys(ast, reserved) {
-    ast.walk(new TreeWalker(function(node) {
-        if (node instanceof AST_ClassProperty) {
-            if (node.start && node.start.quote) add(node.key);
-        } else if (node instanceof AST_ObjectProperty) {
-            if (node.start && node.start.quote) add(node.key);
-        } else if (node instanceof AST_Sub) {
-            addStrings(node.property, add);
-        }
-    }));
-
-    function add(name) {
-        push_uniq(reserved, name);
-    }
-}
-
-function addStrings(node, add) {
-    if (node instanceof AST_Conditional) {
-        addStrings(node.consequent, add);
-        addStrings(node.alternative, add);
-    } else if (node instanceof AST_Sequence) {
-        addStrings(node.tail_node(), add);
-    } else if (node instanceof AST_String) {
-        add(node.value);
-    }
-}
-
-function mangle_properties(ast, options) {
-    options = defaults(options, {
-        builtins: false,
-        cache: null,
-        debug: false,
-        keep_quoted: false,
-        regex: null,
-        reserved: null,
-    }, true);
-
-    var reserved = options.builtins ? new Dictionary() : builtins.clone();
-    if (Array.isArray(options.reserved)) options.reserved.forEach(function(name) {
-        reserved.set(name, true);
-    });
-
-    var cname = -1;
-    var cache;
-    if (options.cache) {
-        cache = options.cache.props;
-        cache.each(function(name) {
-            reserved.set(name, true);
-        });
-    } else {
-        cache = new Dictionary();
-    }
-
-    var regex = options.regex;
-
-    // note debug is either false (disabled), or a string of the debug suffix to use (enabled).
-    // note debug may be enabled as an empty string, which is falsey. Also treat passing 'true'
-    // the same as passing an empty string.
-    var debug = options.debug !== false;
-    var debug_suffix;
-    if (debug) debug_suffix = options.debug === true ? "" : options.debug;
-
-    var names_to_mangle = new Dictionary();
-    var unmangleable = reserved.clone();
-
-    // step 1: find candidates to mangle
-    ast.walk(new TreeWalker(function(node) {
-        if (node instanceof AST_Binary) {
-            if (node.operator == "in") addStrings(node.left, add);
-        } else if (node.TYPE == "Call") {
-            var exp = node.expression;
-            if (exp instanceof AST_Dot) switch (exp.property) {
-              case "defineProperty":
-              case "getOwnPropertyDescriptor":
-                if (node.args.length < 2) break;
-                exp = exp.expression;
-                if (!(exp instanceof AST_SymbolRef)) break;
-                if (exp.name != "Object") break;
-                if (!exp.definition().undeclared) break;
-                addStrings(node.args[1], add);
-                break;
-              case "hasOwnProperty":
-                if (node.args.length < 1) break;
-                addStrings(node.args[0], add);
-                break;
-            }
-        } else if (node instanceof AST_ClassProperty) {
-            if (typeof node.key == "string") add(node.key);
-        } else if (node instanceof AST_Dot) {
-            add(node.property);
-        } else if (node instanceof AST_ObjectProperty) {
-            if (typeof node.key == "string") add(node.key);
-        } else if (node instanceof AST_Sub) {
-            addStrings(node.property, add);
-        }
-    }));
-
-    // step 2: renaming properties
-    ast.walk(new TreeWalker(function(node) {
-        if (node instanceof AST_Binary) {
-            if (node.operator == "in") mangleStrings(node.left);
-        } else if (node.TYPE == "Call") {
-            var exp = node.expression;
-            if (exp instanceof AST_Dot) switch (exp.property) {
-              case "defineProperty":
-              case "getOwnPropertyDescriptor":
-                if (node.args.length < 2) break;
-                exp = exp.expression;
-                if (!(exp instanceof AST_SymbolRef)) break;
-                if (exp.name != "Object") break;
-                if (!exp.definition().undeclared) break;
-                mangleStrings(node.args[1]);
-                break;
-              case "hasOwnProperty":
-                if (node.args.length < 1) break;
-                mangleStrings(node.args[0]);
-                break;
-            }
-        } else if (node instanceof AST_ClassProperty) {
-            if (typeof node.key == "string") node.key = mangle(node.key);
-        } else if (node instanceof AST_Dot) {
-            node.property = mangle(node.property);
-        } else if (node instanceof AST_ObjectProperty) {
-            if (typeof node.key == "string") node.key = mangle(node.key);
-        } else if (node instanceof AST_Sub) {
-            if (!options.keep_quoted) mangleStrings(node.property);
-        }
-    }));
-
-    // only function declarations after this line
-
-    function can_mangle(name) {
-        if (unmangleable.has(name)) return false;
-        if (/^-?[0-9]+(\.[0-9]+)?(e[+-][0-9]+)?$/.test(name)) return false;
-        return true;
-    }
-
-    function should_mangle(name) {
-        if (reserved.has(name)) return false;
-        if (regex && !regex.test(name)) return false;
-        return cache.has(name) || names_to_mangle.has(name);
-    }
-
-    function add(name) {
-        if (can_mangle(name)) names_to_mangle.set(name, true);
-        if (!should_mangle(name)) unmangleable.set(name, true);
-    }
-
-    function mangle(name) {
-        if (!should_mangle(name)) return name;
-        var mangled = cache.get(name);
-        if (!mangled) {
-            if (debug) {
-                // debug mode: use a prefix and suffix to preserve readability, e.g. o.foo ---> o._$foo$NNN_.
-                var debug_mangled = "_$" + name + "$" + debug_suffix + "_";
-                if (can_mangle(debug_mangled)) mangled = debug_mangled;
-            }
-            // either debug mode is off, or it is on and we could not use the mangled name
-            if (!mangled) do {
-                mangled = base54(++cname);
-            } while (!can_mangle(mangled));
-            if (/^#/.test(name)) mangled = "#" + mangled;
-            cache.set(name, mangled);
-        }
-        return mangled;
-    }
-
-    function mangleStrings(node) {
-        if (node instanceof AST_Sequence) {
-            mangleStrings(node.expressions.tail_node());
-        } else if (node instanceof AST_String) {
-            node.value = mangle(node.value);
-        } else if (node instanceof AST_Conditional) {
-            mangleStrings(node.consequent);
-            mangleStrings(node.alternative);
-        }
-    }
-}

lib/sourcemap.js

@@ -1,7 +1,7 @@
 /***********************************************************************
 
   A JavaScript tokenizer / parser / beautifier / compressor.
-  https://github.com/mishoo/UglifyJS
+  https://github.com/mishoo/UglifyJS2
 
   -------------------------------- (C) ---------------------------------
 
@@ -43,153 +43,50 @@
 
 "use strict";
 
-var vlq_char = characters("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/");
-var vlq_bits = vlq_char.reduce(function(map, ch, bits) {
-    map[ch] = bits;
-    return map;
-}, Object.create(null));
-
-function vlq_decode(indices, str) {
-    var value = 0;
-    var shift = 0;
-    for (var i = 0, j = 0; i < str.length; i++) {
-        var bits = vlq_bits[str[i]];
-        value += (bits & 31) << shift;
-        if (bits & 32) {
-            shift += 5;
-        } else {
-            indices[j++] += value & 1 ? 0x80000000 | -(value >> 1) : value >> 1;
-            value = shift = 0;
-        }
-    }
-    return j;
-}
-
-function vlq_encode(num) {
-    var result = "";
-    num = Math.abs(num) << 1 | num >>> 31;
-    do {
-        var bits = num & 31;
-        if (num >>>= 5) bits |= 32;
-        result += vlq_char[bits];
-    } while (num);
-    return result;
-}
-
-function create_array_map() {
-    var map = new Dictionary();
-    var array = [];
-    array.index = function(name) {
-        var index = map.get(name);
-        if (!(index >= 0)) {
-            index = array.length;
-            array.push(name);
-            map.set(name, index);
-        }
-        return index;
-    };
-    return array;
-}
-
+// a small wrapper around fitzgen's source-map library
 function SourceMap(options) {
-    var sources = create_array_map();
-    var sources_content = options.includeSources && new Dictionary();
-    var names = create_array_map();
-    var mappings = "";
-    if (options.orig) Object.keys(options.orig).forEach(function(name) {
-        var map = options.orig[name];
-        var indices = [ 0, 0, 1, 0, 0 ];
-        options.orig[name] = {
-            names: map.names,
-            mappings: map.mappings.split(/;/).map(function(line) {
-                indices[0] = 0;
-                return line.split(/,/).map(function(segment) {
-                    return indices.slice(0, vlq_decode(indices, segment));
-                });
-            }),
-            sources: map.sources,
-        };
-        if (!sources_content || !map.sourcesContent) return;
-        for (var i = 0; i < map.sources.length; i++) {
-            var content = map.sourcesContent[i];
-            if (content) sources_content.set(map.sources[i], content);
-        }
-    });
-    var prev_source;
-    var generated_line = 1;
-    var generated_column = 0;
-    var source_index = 0;
-    var original_line = 1;
-    var original_column = 0;
-    var name_index = 0;
-    return {
-        add: options.orig ? function(source, gen_line, gen_col, orig_line, orig_col, name) {
-            var map = options.orig[source];
-            if (map) {
-                var segments = map.mappings[orig_line - 1];
-                if (!segments) return;
-                var indices;
-                for (var i = 0; i < segments.length; i++) {
-                    var col = segments[i][0];
-                    if (orig_col >= col) indices = segments[i];
-                    if (orig_col <= col) break;
-                }
-                if (!indices || indices.length < 4) {
-                    source = null;
-                } else {
-                    source = map.sources[indices[1]];
-                    orig_line = indices[2];
-                    orig_col = indices[3];
-                    if (indices.length > 4) name = map.names[indices[4]];
-                }
-            }
-            add(source, gen_line, gen_col, orig_line, orig_col, name);
-        } : add,
-        setSourceContent: sources_content ? function(source, content) {
-            if (!sources_content.has(source)) {
-                sources_content.set(source, content);
-            }
-        } : noop,
-        toString: function() {
-            return JSON.stringify({
-                version: 3,
-                file: options.filename || undefined,
-                sourceRoot: options.root || undefined,
-                sources: sources,
-                sourcesContent: sources_content ? sources.map(function(source) {
-                    return sources_content.get(source) || null;
-                }) : undefined,
-                names: names,
-                mappings: mappings,
-            });
-        }
-    };
+    options = defaults(options, {
+        file : null,
+        root : null,
+        orig : null,
 
-    function add(source, gen_line, gen_col, orig_line, orig_col, name) {
-        if (prev_source == null && source == null) return;
-        prev_source = source;
-        if (generated_line < gen_line) {
-            generated_column = 0;
-            do {
-                mappings += ";";
-            } while (++generated_line < gen_line);
-        } else if (mappings) {
-            mappings += ",";
-        }
-        mappings += vlq_encode(gen_col - generated_column);
-        generated_column = gen_col;
-        if (source == null) return;
-        var src_idx = sources.index(source);
-        mappings += vlq_encode(src_idx - source_index);
-        source_index = src_idx;
-        mappings += vlq_encode(orig_line - original_line);
-        original_line = orig_line;
-        mappings += vlq_encode(orig_col - original_column);
-        original_column = orig_col;
-        if (options.names && name != null) {
-            var name_idx = names.index(name);
-            mappings += vlq_encode(name_idx - name_index);
-            name_index = name_idx;
-        }
+        orig_line_diff : 0,
+        dest_line_diff : 0,
+    });
+    var orig_map = options.orig && new MOZ_SourceMap.SourceMapConsumer(options.orig);
+    var generator;
+    if (orig_map) {
+      generator = MOZ_SourceMap.SourceMapGenerator.fromSourceMap(orig_map);
+    } else {
+        generator = new MOZ_SourceMap.SourceMapGenerator({
+            file       : options.file,
+            sourceRoot : options.root
+        });
     }
-}
+    function add(source, gen_line, gen_col, orig_line, orig_col, name) {
+        if (orig_map) {
+            var info = orig_map.originalPositionFor({
+                line: orig_line,
+                column: orig_col
+            });
+            if (info.source === null) {
+                return;
+            }
+            source = info.source;
+            orig_line = info.line;
+            orig_col = info.column;
+            name = info.name || name;
+        }
+        generator.addMapping({
+            generated : { line: gen_line + options.dest_line_diff, column: gen_col },
+            original  : { line: orig_line + options.orig_line_diff, column: orig_col },
+            source    : source,
+            name      : name
+        });
+    }
+    return {
+        add        : add,
+        get        : function() { return generator },
+        toString   : function() { return JSON.stringify(generator.toJSON()); }
+    };
+};

lib/transform.js

@@ -1,7 +1,7 @@
 /***********************************************************************
 
   A JavaScript tokenizer / parser / beautifier / compressor.
-  https://github.com/mishoo/UglifyJS
+  https://github.com/mishoo/UglifyJS2
 
   -------------------------------- (C) ---------------------------------
 
@@ -43,6 +43,8 @@
 
 "use strict";
 
+// Tree transformer helpers.
+
 function TreeTransformer(before, after) {
     TreeWalker.call(this);
     this.before = before;
@@ -50,201 +52,167 @@ function TreeTransformer(before, after) {
 }
 TreeTransformer.prototype = new TreeWalker;
 
-(function(DEF) {
+(function(undefined){
+
+    function _(node, descend) {
+        node.DEFMETHOD("transform", function(tw, in_list){
+            var x, y;
+            tw.push(this);
+            if (tw.before) x = tw.before(this, descend, in_list);
+            if (x === undefined) {
+                if (!tw.after) {
+                    x = this;
+                    descend(x, tw);
+                } else {
+                    tw.stack[tw.stack.length - 1] = x = this.clone();
+                    descend(x, tw);
+                    y = tw.after(x, in_list);
+                    if (y !== undefined) x = y;
+                }
+            }
+            tw.pop();
+            return x;
+        });
+    };
+
     function do_list(list, tw) {
-        return List(list, function(node) {
+        return MAP(list, function(node){
             return node.transform(tw, true);
         });
-    }
+    };
 
-    DEF(AST_Node, noop);
-    DEF(AST_LabeledStatement, function(self, tw) {
+    _(AST_Node, noop);
+
+    _(AST_LabeledStatement, function(self, tw){
         self.label = self.label.transform(tw);
         self.body = self.body.transform(tw);
     });
-    DEF(AST_SimpleStatement, function(self, tw) {
+
+    _(AST_SimpleStatement, function(self, tw){
         self.body = self.body.transform(tw);
     });
-    DEF(AST_Block, function(self, tw) {
+
+    _(AST_Block, function(self, tw){
         self.body = do_list(self.body, tw);
     });
-    DEF(AST_Do, function(self, tw) {
-        self.body = self.body.transform(tw);
-        self.condition = self.condition.transform(tw);
-    });
-    DEF(AST_While, function(self, tw) {
+
+    _(AST_DWLoop, function(self, tw){
         self.condition = self.condition.transform(tw);
         self.body = self.body.transform(tw);
     });
-    DEF(AST_For, function(self, tw) {
+
+    _(AST_For, function(self, tw){
         if (self.init) self.init = self.init.transform(tw);
         if (self.condition) self.condition = self.condition.transform(tw);
         if (self.step) self.step = self.step.transform(tw);
         self.body = self.body.transform(tw);
     });
-    DEF(AST_ForEnumeration, function(self, tw) {
+
+    _(AST_ForIn, function(self, tw){
         self.init = self.init.transform(tw);
         self.object = self.object.transform(tw);
         self.body = self.body.transform(tw);
     });
-    DEF(AST_With, function(self, tw) {
+
+    _(AST_With, function(self, tw){
         self.expression = self.expression.transform(tw);
         self.body = self.body.transform(tw);
     });
-    DEF(AST_Exit, function(self, tw) {
+
+    _(AST_Exit, function(self, tw){
         if (self.value) self.value = self.value.transform(tw);
     });
-    DEF(AST_LoopControl, function(self, tw) {
+
+    _(AST_LoopControl, function(self, tw){
         if (self.label) self.label = self.label.transform(tw);
     });
-    DEF(AST_If, function(self, tw) {
+
+    _(AST_If, function(self, tw){
         self.condition = self.condition.transform(tw);
         self.body = self.body.transform(tw);
         if (self.alternative) self.alternative = self.alternative.transform(tw);
     });
-    DEF(AST_Switch, function(self, tw) {
+
+    _(AST_Switch, function(self, tw){
         self.expression = self.expression.transform(tw);
         self.body = do_list(self.body, tw);
     });
-    DEF(AST_Case, function(self, tw) {
+
+    _(AST_Case, function(self, tw){
         self.expression = self.expression.transform(tw);
         self.body = do_list(self.body, tw);
     });
-    DEF(AST_Try, function(self, tw) {
+
+    _(AST_Try, function(self, tw){
         self.body = do_list(self.body, tw);
         if (self.bcatch) self.bcatch = self.bcatch.transform(tw);
         if (self.bfinally) self.bfinally = self.bfinally.transform(tw);
     });
-    DEF(AST_Catch, function(self, tw) {
-        if (self.argname) self.argname = self.argname.transform(tw);
+
+    _(AST_Catch, function(self, tw){
+        self.argname = self.argname.transform(tw);
         self.body = do_list(self.body, tw);
     });
-    DEF(AST_Definitions, function(self, tw) {
+
+    _(AST_Definitions, function(self, tw){
         self.definitions = do_list(self.definitions, tw);
     });
-    DEF(AST_VarDef, function(self, tw) {
+
+    _(AST_VarDef, function(self, tw){
         self.name = self.name.transform(tw);
         if (self.value) self.value = self.value.transform(tw);
     });
-    DEF(AST_DefaultValue, function(self, tw) {
-        self.name = self.name.transform(tw);
-        self.value = self.value.transform(tw);
-    });
-    DEF(AST_Lambda, function(self, tw) {
+
+    _(AST_Lambda, function(self, tw){
         if (self.name) self.name = self.name.transform(tw);
         self.argnames = do_list(self.argnames, tw);
-        if (self.rest) self.rest = self.rest.transform(tw);
         self.body = do_list(self.body, tw);
     });
-    function transform_arrow(self, tw) {
-        self.argnames = do_list(self.argnames, tw);
-        if (self.rest) self.rest = self.rest.transform(tw);
-        if (self.value) {
-            self.value = self.value.transform(tw);
-        } else {
-            self.body = do_list(self.body, tw);
-        }
-    }
-    DEF(AST_Arrow, transform_arrow);
-    DEF(AST_AsyncArrow, transform_arrow);
-    DEF(AST_Class, function(self, tw) {
-        if (self.name) self.name = self.name.transform(tw);
-        if (self.extends) self.extends = self.extends.transform(tw);
-        self.properties = do_list(self.properties, tw);
-    });
-    DEF(AST_ClassProperty, function(self, tw) {
-        if (self.key instanceof AST_Node) self.key = self.key.transform(tw);
-        if (self.value) self.value = self.value.transform(tw);
-    });
-    DEF(AST_Call, function(self, tw) {
+
+    _(AST_Call, function(self, tw){
         self.expression = self.expression.transform(tw);
         self.args = do_list(self.args, tw);
     });
-    DEF(AST_Sequence, function(self, tw) {
-        self.expressions = do_list(self.expressions, tw);
+
+    _(AST_Seq, function(self, tw){
+        self.car = self.car.transform(tw);
+        self.cdr = self.cdr.transform(tw);
     });
-    DEF(AST_Await, function(self, tw) {
+
+    _(AST_Dot, function(self, tw){
         self.expression = self.expression.transform(tw);
     });
-    DEF(AST_Yield, function(self, tw) {
-        if (self.expression) self.expression = self.expression.transform(tw);
-    });
-    DEF(AST_Dot, function(self, tw) {
-        self.expression = self.expression.transform(tw);
-    });
-    DEF(AST_Sub, function(self, tw) {
+
+    _(AST_Sub, function(self, tw){
         self.expression = self.expression.transform(tw);
         self.property = self.property.transform(tw);
     });
-    DEF(AST_Spread, function(self, tw) {
+
+    _(AST_Unary, function(self, tw){
         self.expression = self.expression.transform(tw);
     });
-    DEF(AST_Unary, function(self, tw) {
-        self.expression = self.expression.transform(tw);
-    });
-    DEF(AST_Binary, function(self, tw) {
+
+    _(AST_Binary, function(self, tw){
         self.left = self.left.transform(tw);
         self.right = self.right.transform(tw);
     });
-    DEF(AST_Conditional, function(self, tw) {
+
+    _(AST_Conditional, function(self, tw){
         self.condition = self.condition.transform(tw);
         self.consequent = self.consequent.transform(tw);
         self.alternative = self.alternative.transform(tw);
     });
-    DEF(AST_Array, function(self, tw) {
+
+    _(AST_Array, function(self, tw){
         self.elements = do_list(self.elements, tw);
     });
-    DEF(AST_DestructuredArray, function(self, tw) {
-        self.elements = do_list(self.elements, tw);
-        if (self.rest) self.rest = self.rest.transform(tw);
+
+    _(AST_Object, function(self, tw){
+        self.properties = do_list(self.properties, tw);
     });
-    DEF(AST_DestructuredKeyVal, function(self, tw) {
-        if (self.key instanceof AST_Node) self.key = self.key.transform(tw);
+
+    _(AST_ObjectProperty, function(self, tw){
         self.value = self.value.transform(tw);
     });
-    DEF(AST_DestructuredObject, function(self, tw) {
-        self.properties = do_list(self.properties, tw);
-        if (self.rest) self.rest = self.rest.transform(tw);
-    });
-    DEF(AST_Object, function(self, tw) {
-        self.properties = do_list(self.properties, tw);
-    });
-    DEF(AST_ObjectProperty, function(self, tw) {
-        if (self.key instanceof AST_Node) self.key = self.key.transform(tw);
-        self.value = self.value.transform(tw);
-    });
-    DEF(AST_ExportDeclaration, function(self, tw) {
-        self.body = self.body.transform(tw);
-    });
-    DEF(AST_ExportDefault, function(self, tw) {
-        self.body = self.body.transform(tw);
-    });
-    DEF(AST_ExportReferences, function(self, tw) {
-        self.properties = do_list(self.properties, tw);
-    });
-    DEF(AST_Import, function(self, tw) {
-        if (self.all) self.all = self.all.transform(tw);
-        if (self.default) self.default = self.default.transform(tw);
-        if (self.properties) self.properties = do_list(self.properties, tw);
-    });
-    DEF(AST_Template, function(self, tw) {
-        if (self.tag) self.tag = self.tag.transform(tw);
-        self.expressions = do_list(self.expressions, tw);
-    });
-})(function(node, descend) {
-    node.DEFMETHOD("transform", function(tw, in_list) {
-        var x, y;
-        tw.push(this);
-        if (tw.before) x = tw.before(this, descend, in_list);
-        if (typeof x === "undefined") {
-            x = this;
-            descend(x, tw);
-            if (tw.after) {
-                y = tw.after(x, in_list);
-                if (typeof y !== "undefined") x = y;
-            }
-        }
-        tw.pop();
-        return x;
-    });
-});
+
+})();

lib/utils.js

@@ -1,7 +1,7 @@
 /***********************************************************************
 
   A JavaScript tokenizer / parser / beautifier / compressor.
-  https://github.com/mishoo/UglifyJS
+  https://github.com/mishoo/UglifyJS2
 
   -------------------------------- (C) ---------------------------------
 
@@ -43,243 +43,260 @@
 
 "use strict";
 
+function array_to_hash(a) {
+    var ret = Object.create(null);
+    for (var i = 0; i < a.length; ++i)
+        ret[a[i]] = true;
+    return ret;
+};
+
+function slice(a, start) {
+    return Array.prototype.slice.call(a, start || 0);
+};
+
 function characters(str) {
     return str.split("");
-}
+};
 
 function member(name, array) {
-    return array.indexOf(name) >= 0;
-}
+    for (var i = array.length; --i >= 0;)
+        if (array[i] == name)
+            return true;
+    return false;
+};
 
 function find_if(func, array) {
-    for (var i = array.length; --i >= 0;) if (func(array[i])) return array[i];
-}
+    for (var i = 0, n = array.length; i < n; ++i) {
+        if (func(array[i]))
+            return array[i];
+    }
+};
 
-function configure_error_stack(fn) {
-    Object.defineProperty(fn.prototype, "stack", {
-        get: function() {
-            var err = new Error(this.message);
-            err.name = this.name;
-            try {
-                throw err;
-            } catch (e) {
-                return e.stack;
-            }
-        }
-    });
-}
+function repeat_string(str, i) {
+    if (i <= 0) return "";
+    if (i == 1) return str;
+    var d = repeat_string(str, i >> 1);
+    d += d;
+    if (i & 1) d += str;
+    return d;
+};
 
 function DefaultsError(msg, defs) {
-    this.message = msg;
+    Error.call(this, msg);
+    this.msg = msg;
     this.defs = defs;
-}
+};
 DefaultsError.prototype = Object.create(Error.prototype);
 DefaultsError.prototype.constructor = DefaultsError;
-DefaultsError.prototype.name = "DefaultsError";
-configure_error_stack(DefaultsError);
+
+DefaultsError.croak = function(msg, defs) {
+    throw new DefaultsError(msg, defs);
+};
 
 function defaults(args, defs, croak) {
-    if (croak) for (var i in args) {
-        if (HOP(args, i) && !HOP(defs, i)) throw new DefaultsError("`" + i + "` is not a supported option", defs);
+    if (args === true)
+        args = {};
+    var ret = args || {};
+    if (croak) for (var i in ret) if (ret.hasOwnProperty(i) && !defs.hasOwnProperty(i))
+        DefaultsError.croak("`" + i + "` is not a supported option", defs);
+    for (var i in defs) if (defs.hasOwnProperty(i)) {
+        ret[i] = (args && args.hasOwnProperty(i)) ? args[i] : defs[i];
     }
-    for (var i in args) {
-        if (HOP(args, i)) defs[i] = args[i];
+    return ret;
+};
+
+function merge(obj, ext) {
+    for (var i in ext) if (ext.hasOwnProperty(i)) {
+        obj[i] = ext[i];
     }
-    return defs;
-}
+    return obj;
+};
 
-function noop() {}
-function return_false() { return false; }
-function return_true() { return true; }
-function return_this() { return this; }
-function return_null() { return null; }
+function noop() {};
 
-var List = (function() {
-    function List(a, f) {
-        var ret = [];
-        for (var i = 0; i < a.length; i++) {
+var MAP = (function(){
+    function MAP(a, f, backwards) {
+        var ret = [], top = [], i;
+        function doit() {
             var val = f(a[i], i);
-            if (val === skip) continue;
-            if (val instanceof Splice) {
-                ret.push.apply(ret, val.v);
+            var is_last = val instanceof Last;
+            if (is_last) val = val.v;
+            if (val instanceof AtTop) {
+                val = val.v;
+                if (val instanceof Splice) {
+                    top.push.apply(top, backwards ? val.v.slice().reverse() : val.v);
+                } else {
+                    top.push(val);
+                }
+            }
+            else if (val !== skip) {
+                if (val instanceof Splice) {
+                    ret.push.apply(ret, backwards ? val.v.slice().reverse() : val.v);
+                } else {
+                    ret.push(val);
+                }
+            }
+            return is_last;
+        };
+        if (a instanceof Array) {
+            if (backwards) {
+                for (i = a.length; --i >= 0;) if (doit()) break;
+                ret.reverse();
+                top.reverse();
             } else {
-                ret.push(val);
+                for (i = 0; i < a.length; ++i) if (doit()) break;
             }
         }
-        return ret;
-    }
-    List.is_op = function(val) {
-        return val === skip || val instanceof Splice;
+        else {
+            for (i in a) if (a.hasOwnProperty(i)) if (doit()) break;
+        }
+        return top.concat(ret);
     };
-    List.splice = function(val) {
-        return new Splice(val);
-    };
-    var skip = List.skip = {};
-    function Splice(val) {
-        this.v = val;
-    }
-    return List;
+    MAP.at_top = function(val) { return new AtTop(val) };
+    MAP.splice = function(val) { return new Splice(val) };
+    MAP.last = function(val) { return new Last(val) };
+    var skip = MAP.skip = {};
+    function AtTop(val) { this.v = val };
+    function Splice(val) { this.v = val };
+    function Last(val) { this.v = val };
+    return MAP;
 })();
 
 function push_uniq(array, el) {
-    if (array.indexOf(el) < 0) return array.push(el);
-}
+    if (array.indexOf(el) < 0)
+        array.push(el);
+};
 
 function string_template(text, props) {
-    return text.replace(/\{([^{}]+)\}/g, function(str, p) {
-        var value = props[p];
-        return value instanceof AST_Node ? value.print_to_string() : value;
+    return text.replace(/\{(.+?)\}/g, function(str, p){
+        return props[p];
     });
-}
+};
 
 function remove(array, el) {
-    var index = array.indexOf(el);
-    if (index >= 0) array.splice(index, 1);
-}
+    for (var i = array.length; --i >= 0;) {
+        if (array[i] === el) array.splice(i, 1);
+    }
+};
 
-function makePredicate(words) {
-    if (!Array.isArray(words)) words = words.split(" ");
-    var map = Object.create(null);
-    words.forEach(function(word) {
-        map[word] = true;
+function mergeSort(array, cmp) {
+    if (array.length < 2) return array.slice();
+    function merge(a, b) {
+        var r = [], ai = 0, bi = 0, i = 0;
+        while (ai < a.length && bi < b.length) {
+            cmp(a[ai], b[bi]) <= 0
+                ? r[i++] = a[ai++]
+                : r[i++] = b[bi++];
+        }
+        if (ai < a.length) r.push.apply(r, a.slice(ai));
+        if (bi < b.length) r.push.apply(r, b.slice(bi));
+        return r;
+    };
+    function _ms(a) {
+        if (a.length <= 1)
+            return a;
+        var m = Math.floor(a.length / 2), left = a.slice(0, m), right = a.slice(m);
+        left = _ms(left);
+        right = _ms(right);
+        return merge(left, right);
+    };
+    return _ms(array);
+};
+
+function set_difference(a, b) {
+    return a.filter(function(el){
+        return b.indexOf(el) < 0;
     });
-    return map;
-}
+};
+
+function set_intersection(a, b) {
+    return a.filter(function(el){
+        return b.indexOf(el) >= 0;
+    });
+};
+
+// this function is taken from Acorn [1], written by Marijn Haverbeke
+// [1] https://github.com/marijnh/acorn
+function makePredicate(words) {
+    if (!(words instanceof Array)) words = words.split(" ");
+    var f = "", cats = [];
+    out: for (var i = 0; i < words.length; ++i) {
+        for (var j = 0; j < cats.length; ++j)
+            if (cats[j][0].length == words[i].length) {
+                cats[j].push(words[i]);
+                continue out;
+            }
+        cats.push([words[i]]);
+    }
+    function compareTo(arr) {
+        if (arr.length == 1) return f += "return str === " + JSON.stringify(arr[0]) + ";";
+        f += "switch(str){";
+        for (var i = 0; i < arr.length; ++i) f += "case " + JSON.stringify(arr[i]) + ":";
+        f += "return true}return false;";
+    }
+    // When there are more than three length categories, an outer
+    // switch first dispatches on the lengths, to save on comparisons.
+    if (cats.length > 3) {
+        cats.sort(function(a, b) {return b.length - a.length;});
+        f += "switch(str.length){";
+        for (var i = 0; i < cats.length; ++i) {
+            var cat = cats[i];
+            f += "case " + cat[0].length + ":";
+            compareTo(cat);
+        }
+        f += "}";
+        // Otherwise, simply generate a flat `switch` statement.
+    } else {
+        compareTo(words);
+    }
+    return new Function("str", f);
+};
 
 function all(array, predicate) {
     for (var i = array.length; --i >= 0;)
-        if (!predicate(array[i], i))
+        if (!predicate(array[i]))
             return false;
     return true;
-}
+};
 
 function Dictionary() {
-    this.values = Object.create(null);
-}
+    this._values = Object.create(null);
+    this._size = 0;
+};
 Dictionary.prototype = {
     set: function(key, val) {
-        if (key == "__proto__") {
-            this.proto_value = val;
-        } else {
-            this.values[key] = val;
-        }
+        if (!this.has(key)) ++this._size;
+        this._values["$" + key] = val;
         return this;
     },
     add: function(key, val) {
-        var list = this.get(key);
-        if (list) {
-            list.push(val);
+        if (this.has(key)) {
+            this.get(key).push(val);
         } else {
             this.set(key, [ val ]);
         }
         return this;
     },
-    get: function(key) {
-        return key == "__proto__" ? this.proto_value : this.values[key];
-    },
+    get: function(key) { return this._values["$" + key] },
     del: function(key) {
-        if (key == "__proto__") {
-            delete this.proto_value;
-        } else {
-            delete this.values[key];
+        if (this.has(key)) {
+            --this._size;
+            delete this._values["$" + key];
         }
         return this;
     },
-    has: function(key) {
-        return key == "__proto__" ? "proto_value" in this : key in this.values;
-    },
-    all: function(predicate) {
-        for (var i in this.values)
-            if (!predicate(this.values[i], i)) return false;
-        if ("proto_value" in this && !predicate(this.proto_value, "__proto__")) return false;
-        return true;
-    },
+    has: function(key) { return ("$" + key) in this._values },
     each: function(f) {
-        for (var i in this.values)
-            f(this.values[i], i);
-        if ("proto_value" in this) f(this.proto_value, "__proto__");
+        for (var i in this._values)
+            f(this._values[i], i.substr(1));
     },
     size: function() {
-        return Object.keys(this.values).length + ("proto_value" in this);
+        return this._size;
     },
     map: function(f) {
         var ret = [];
-        for (var i in this.values)
-            ret.push(f(this.values[i], i));
-        if ("proto_value" in this) ret.push(f(this.proto_value, "__proto__"));
+        for (var i in this._values)
+            ret.push(f(this._values[i], i.substr(1)));
         return ret;
-    },
-    clone: function() {
-        var ret = new Dictionary();
-        this.each(function(value, i) {
-            ret.set(i, value);
-        });
-        return ret;
-    },
-    toObject: function() {
-        var obj = {};
-        this.each(function(value, i) {
-            obj["$" + i] = value;
-        });
-        return obj;
-    },
-};
-Dictionary.fromObject = function(obj) {
-    var dict = new Dictionary();
-    for (var i in obj)
-        if (HOP(obj, i)) dict.set(i.slice(1), obj[i]);
-    return dict;
-};
-
-function HOP(obj, prop) {
-    return Object.prototype.hasOwnProperty.call(obj, prop);
-}
-
-// return true if the node at the top of the stack (that means the
-// innermost node in the current output) is lexically the first in
-// a statement.
-function first_in_statement(stack, arrow, export_default) {
-    var node = stack.parent(-1);
-    for (var i = 0, p; p = stack.parent(i++); node = p) {
-        if (is_arrow(p)) {
-            return arrow && p.value === node;
-        } else if (p instanceof AST_Binary) {
-            if (p.left === node) continue;
-        } else if (p.TYPE == "Call") {
-            if (p.expression === node) continue;
-        } else if (p instanceof AST_Conditional) {
-            if (p.condition === node) continue;
-        } else if (p instanceof AST_ExportDefault) {
-            return export_default;
-        } else if (p instanceof AST_PropAccess) {
-            if (p.expression === node) continue;
-        } else if (p instanceof AST_Sequence) {
-            if (p.expressions[0] === node) continue;
-        } else if (p instanceof AST_SimpleStatement) {
-            return true;
-        } else if (p instanceof AST_Template) {
-            if (p.tag === node) continue;
-        } else if (p instanceof AST_UnaryPostfix) {
-            if (p.expression === node) continue;
-        }
-        return false;
     }
-}
-
-function DEF_BITPROPS(ctor, props) {
-    if (props.length > 31) throw new Error("Too many properties: " + props.length + "\n" + props.join(", "));
-    props.forEach(function(name, pos) {
-        var mask = 1 << pos;
-        Object.defineProperty(ctor.prototype, name, {
-            get: function() {
-                return !!(this._bits & mask);
-            },
-            set: function(val) {
-                if (val)
-                    this._bits |= mask;
-                else
-                    this._bits &= ~mask;
-            },
-        });
-    });
-}
+};

package.json

@@ -1,56 +1,37 @@
 {
   "name": "uglify-js",
   "description": "JavaScript parser, mangler/compressor and beautifier toolkit",
-  "author": "Mihai Bazon <mihai.bazon@gmail.com> (http://lisperator.net/)",
-  "license": "BSD-2-Clause",
-  "version": "3.16.2",
-  "engines": {
-    "node": ">=0.8.0"
-  },
-  "maintainers": [
-    "Alex Lam <alexlamsl@gmail.com>",
-    "Mihai Bazon <mihai.bazon@gmail.com> (http://lisperator.net/)"
-  ],
-  "repository": "mishoo/UglifyJS",
-  "main": "tools/node.js",
-  "bin": {
-    "uglifyjs": "bin/uglifyjs"
-  },
-  "files": [
-    "bin",
-    "lib",
-    "tools",
-    "LICENSE"
-  ],
-  "devDependencies": {
-    "acorn": "~8.2.1",
-    "semver": "~6.3.0"
-  },
-  "scripts": {
-    "test": "node test/compress.js && node test/mocha.js"
-  },
-  "keywords": [
-    "cli",
-    "compress",
-    "compressor",
-    "ecma",
-    "ecmascript",
-    "es",
-    "es5",
-    "javascript",
-    "js",
-    "jsmin",
-    "min",
-    "minification",
-    "minifier",
-    "minify",
-    "optimize",
-    "optimizer",
-    "pack",
-    "packer",
-    "parse",
-    "parser",
-    "uglifier",
-    "uglify"
-  ]
+    "homepage": "http://lisperator.net/uglifyjs",
+    "main": "tools/node.js",
+    "version": "2.4.17",
+    "engines": { "node" : ">=0.4.0" },
+    "maintainers": [{
+        "name": "Mihai Bazon",
+        "email": "mihai.bazon@gmail.com",
+        "web": "http://lisperator.net/"
+    }],
+    "repository": {
+        "type": "git",
+        "url": "https://github.com/mishoo/UglifyJS2.git"
+    },
+    "dependencies": {
+        "async"      : "~0.2.6",
+        "source-map" : "0.1.34",
+        "yargs": "~1.3.3",
+        "uglify-to-browserify": "~1.0.0"
+    },
+    "devDependencies": {
+        "acorn": "~0.6.0",
+        "escodegen": "~1.3.3",
+        "esfuzz": "~0.3.1",
+        "estraverse": "~1.5.1"
+    },
+    "browserify": {
+        "transform": [ "uglify-to-browserify" ]
+    },
+    "bin": {
+        "uglifyjs" : "bin/uglifyjs"
+    },
+    "license": "BSD",
+    "scripts": {"test": "node test/run-tests.js"}
 }

test/benchmark.js

@@ -1,98 +0,0 @@
-#! /usr/bin/env node
-// -*- js -*-
-
-"use strict";
-
-var createHash = require("crypto").createHash;
-var fetch = require("./fetch");
-var spawn = require("child_process").spawn;
-var zlib = require("zlib");
-var args = process.argv.slice(2);
-if (!args.length) args.push("-mc");
-args.unshift("bin/uglifyjs");
-args.push("--timings");
-var urls = [
-    "https://code.jquery.com/jquery-3.4.1.js",
-    "https://code.angularjs.org/1.7.8/angular.js",
-    "https://unpkg.com/mathjs@6.2.3/dist/math.js",
-    "https://unpkg.com/react@15.3.2/dist/react.js",
-    "https://cdnjs.cloudflare.com/ajax/libs/d3/6.7.0/d3.js",
-    "https://cdnjs.cloudflare.com/ajax/libs/antd/4.18.7/antd.js",
-    "https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.js",
-    "https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.15/lodash.js",
-    "https://cdnjs.cloudflare.com/ajax/libs/ember.js/2.12.2/ember.prod.js",
-    "https://raw.githubusercontent.com/kangax/html-minifier/v4.0.0/dist/htmlminifier.js",
-];
-var results = {};
-var remaining = 2 * urls.length;
-function done() {
-    if (!--remaining) {
-        var failures = [];
-        var sum = { input: 0, output: 0, gzip: 0 };
-        urls.forEach(function(url) {
-            var info = results[url];
-            console.log();
-            console.log(url);
-            console.log(info.log);
-            console.log("Original:", info.input, "bytes");
-            console.log("Uglified:", info.output, "bytes");
-            console.log("GZipped: ", info.gzip, "bytes");
-            console.log("SHA1 sum:", info.sha1);
-            if (info.code) {
-                failures.push(url);
-            }
-            sum.input += info.input;
-            sum.output += info.output;
-            sum.gzip += info.gzip;
-        });
-        if (failures.length) {
-            console.error("Benchmark failed:");
-            failures.forEach(function(url) {
-                console.error(url);
-            });
-            process.exit(1);
-        } else {
-            console.log();
-            console.log("Subtotal");
-            console.log();
-            console.log("Original:", sum.input, "bytes");
-            console.log("Uglified:", sum.output, "bytes");
-            console.log("GZipped: ", sum.gzip, "bytes");
-        }
-    }
-}
-urls.forEach(function(url) {
-    results[url] = {
-        input: 0,
-        output: 0,
-        gzip: 0,
-        log: ""
-    };
-    fetch(url, function(err, res) {
-        if (err) throw err;
-        var uglifyjs = spawn(process.argv[0], args, { silent: true });
-        res.on("data", function(data) {
-            results[url].input += data.length;
-        }).pipe(uglifyjs.stdin);
-        var sha1 = createHash("sha1");
-        uglifyjs.stdout.on("data", function(data) {
-            results[url].output += data.length;
-        }).pipe(zlib.createGzip({
-            level: zlib.Z_BEST_COMPRESSION
-        })).on("data", function(data) {
-            results[url].gzip += data.length;
-            sha1.update(data);
-        }).on("end", function() {
-            results[url].sha1 = sha1.digest("hex");
-            done();
-        });
-        uglifyjs.stderr.setEncoding("utf8");
-        uglifyjs.stderr.on("data", function(data) {
-            results[url].log += data;
-        });
-        uglifyjs.on("exit", function(code) {
-            results[url].code = code;
-            done();
-        });
-    });
-});

test/compress.js

@@ -1,457 +0,0 @@
-"use strict";
-
-require("../tools/tty");
-
-var assert = require("assert");
-var child_process = require("child_process");
-var fs = require("fs");
-var path = require("path");
-var sandbox = require("./sandbox");
-var semver = require("semver");
-var U = require("./node");
-
-var batch = 50;
-var dir = path.resolve(path.dirname(module.filename), "compress");
-if (process.argv.length > 3) {
-    var file = process.argv[2];
-    var start = process.argv[3] | 0;
-    var minify_options = require("./ufuzz/options.json").map(JSON.stringify);
-    var tests = parse_test(path.resolve(dir, file));
-    process.exit(Object.keys(tests).slice(start, start + batch).filter(function(name) {
-        return !test_case(tests[name]);
-    }).length);
-} else {
-    var files = process.argv.length == 3 ? [ process.argv[2] ] : fs.readdirSync(dir).filter(function(name) {
-        return /\.js$/i.test(name);
-    });
-    var failures = 0;
-    var failed_files = Object.create(null);
-    (function next(file, start, length) {
-        if (start < length) {
-            child_process.spawn(process.argv[0], [ process.argv[1], file, start, batch ], {
-                stdio: [ "ignore", 1, 2 ]
-            }).on("exit", function(code) {
-                if (code) {
-                    failures += code;
-                    failed_files[file] = true;
-                }
-                next(file, start + batch, length);
-            });
-        } else if (file = files.shift()) {
-            log("--- {file}", { file: file });
-            start = 0;
-            length = Object.keys(parse_test(path.resolve(dir, file))).length;
-            next(file, start, length);
-        } else if (failures) {
-            console.error();
-            console.error("!!! Failed " + failures + " test case(s).");
-            console.error("!!! " + Object.keys(failed_files).join(", "));
-            process.exit(1);
-        }
-    })();
-}
-
-function evaluate(code) {
-    if (code instanceof U.AST_Node) code = make_code(code, { beautify: true });
-    return new Function("return(" + code + ")")();
-}
-
-function log() {
-    console.log("%s", tmpl.apply(null, arguments));
-}
-
-function make_code(ast, options) {
-    var stream = U.OutputStream(options);
-    ast.print(stream);
-    return stream.get();
-}
-
-function parse_test(file) {
-    var script = fs.readFileSync(file, "utf8");
-    try {
-        var ast = U.parse(script, { filename: file });
-    } catch (e) {
-        console.error("Caught error while parsing tests in " + file);
-        console.error(e);
-        process.exit(1);
-    }
-    var tests = Object.create(null);
-    var tw = new U.TreeWalker(function(node, descend) {
-        if (node instanceof U.AST_LabeledStatement
-            && tw.parent() instanceof U.AST_Toplevel) {
-            var name = node.label.name;
-            if (name in tests) {
-                throw new Error('Duplicated test name "' + name + '" in ' + file);
-            }
-            tests[name] = get_one_test(name, node.body);
-            return true;
-        }
-        if (!(node instanceof U.AST_Toplevel)) croak(node);
-    });
-    ast.walk(tw);
-    return tests;
-
-    function croak(node) {
-        throw new Error(tmpl("Can't understand test file {file} [{line},{col}]\n{code}", {
-            file: file,
-            line: node.start.line,
-            col: node.start.col,
-            code: make_code(node, { beautify: false }),
-        }));
-    }
-
-    function read_string(stat) {
-        if (stat.TYPE == "SimpleStatement") {
-            var body = stat.body;
-            switch (body.TYPE) {
-              case "String":
-                return body.value;
-              case "Array":
-                return body.elements.map(function(element) {
-                    if (element.TYPE !== "String")
-                        throw new Error("Should be array of strings");
-                    return element.value;
-                }).join("\n");
-            }
-        }
-        throw new Error("Should be string or array of strings");
-    }
-
-    function get_one_test(name, block) {
-        var test = { name: name, options: {} };
-        var tw = new U.TreeWalker(function(node, descend) {
-            if (node instanceof U.AST_Assign) {
-                if (!(node.left instanceof U.AST_SymbolRef)) {
-                    croak(node);
-                }
-                var name = node.left.name;
-                test[name] = evaluate(node.right);
-                return true;
-            }
-            if (node instanceof U.AST_LabeledStatement) {
-                var label = node.label;
-                assert.ok([
-                    "input",
-                    "expect",
-                    "expect_exact",
-                    "expect_warnings",
-                    "expect_stdout",
-                    "node_version",
-                ].indexOf(label.name) >= 0, tmpl("Unsupported label {name} [{line},{col}]", {
-                    name: label.name,
-                    line: label.start.line,
-                    col: label.start.col,
-                }));
-                var stat = node.body;
-                if (label.name == "expect_exact" || label.name == "node_version") {
-                    test[label.name] = read_string(stat);
-                } else if (label.name == "expect_stdout") {
-                    var body = stat.body;
-                    if (body instanceof U.AST_Boolean) {
-                        test[label.name] = body.value;
-                    } else if (body instanceof U.AST_Call) {
-                        var ctor = global[body.expression.name];
-                        assert.ok(ctor === Error || ctor.prototype instanceof Error, tmpl("Unsupported expect_stdout format [{line},{col}]", {
-                            line: label.start.line,
-                            col: label.start.col,
-                        }));
-                        test[label.name] = ctor.apply(null, body.args.map(function(node) {
-                            assert.ok(node instanceof U.AST_Constant, tmpl("Unsupported expect_stdout format [{line},{col}]", {
-                                line: label.start.line,
-                                col: label.start.col,
-                            }));
-                            return node.value;
-                        }));
-                    } else {
-                        test[label.name] = read_string(stat) + "\n";
-                    }
-                } else {
-                    test[label.name] = stat;
-                }
-                return true;
-            }
-        });
-        block.walk(tw);
-        return test;
-    }
-}
-
-// Try to reminify original input with standard options
-// to see if it matches expect_stdout.
-function reminify(orig_options, input_code, input_formatted, stdout) {
-    for (var i = 0; i < minify_options.length; i++) {
-        var options = JSON.parse(minify_options[i]);
-        [
-            "keep_fargs",
-            "keep_fnames",
-        ].forEach(function(name) {
-            if (name in orig_options) options[name] = orig_options[name];
-        });
-        var options_formatted = JSON.stringify(options, null, 4);
-        options.validate = true;
-        var result = U.minify(input_code, options);
-        if (result.error) {
-            log([
-                "!!! failed input reminify",
-                "---INPUT---",
-                "{input}",
-                "---OPTIONS---",
-                "{options}",
-                "--ERROR---",
-                "{error}",
-                "",
-                "",
-            ].join("\n"), {
-                input: input_formatted,
-                options: options_formatted,
-                error: result.error,
-            });
-            return false;
-        } else {
-            var toplevel = sandbox.has_toplevel(options);
-            var expected = stdout[toplevel ? 1 : 0];
-            var actual = sandbox.run_code(result.code, toplevel);
-            if (typeof expected != "string" && typeof actual != "string" && expected.name == actual.name) {
-                actual = expected;
-            }
-            if (!sandbox.same_stdout(expected, actual)) {
-                log([
-                    "!!! failed running reminified input",
-                    "---INPUT---",
-                    "{input}",
-                    "---OPTIONS---",
-                    "{options}",
-                    "---OUTPUT---",
-                    "{output}",
-                    "---EXPECTED {expected_type}---",
-                    "{expected}",
-                    "---ACTUAL {actual_type}---",
-                    "{actual}",
-                    "",
-                    "",
-                ].join("\n"), {
-                    input: input_formatted,
-                    options: options_formatted,
-                    output: result.code,
-                    expected_type: typeof expected == "string" ? "STDOUT" : "ERROR",
-                    expected: expected,
-                    actual_type: typeof actual == "string" ? "STDOUT" : "ERROR",
-                    actual: actual,
-                });
-                return false;
-            }
-        }
-    }
-    return true;
-}
-
-function test_case(test) {
-    log("    Running test [{name}]", { name: test.name });
-    U.AST_Node.enable_validation();
-    var output_options = test.beautify || {};
-    var expect;
-    if (test.expect) {
-        expect = make_code(to_toplevel(test.expect, test.mangle), output_options);
-    } else {
-        expect = test.expect_exact;
-    }
-    var input = to_toplevel(test.input, test.mangle);
-    var input_code = make_code(input);
-    var input_formatted = make_code(test.input, {
-        annotations: true,
-        beautify: true,
-        comments: "all",
-        keep_quoted_props: true,
-        quote_style: 3,
-    });
-    try {
-        input.validate_ast();
-        U.parse(input_code);
-    } catch (ex) {
-        log([
-            "!!! Cannot parse input",
-            "---INPUT---",
-            "{input}",
-            "--PARSE ERROR--",
-            "{error}",
-            "",
-            "",
-        ].join("\n"), {
-            input: input_formatted,
-            error: ex,
-        });
-        return false;
-    }
-    var warnings_emitted = [];
-    if (test.expect_warnings) {
-        var expected_warnings = make_code(test.expect_warnings, {
-            beautify: false,
-            quote_style: 2, // force double quote to match JSON
-        });
-        U.AST_Node.log_function(function(text) {
-            warnings_emitted.push(text);
-        }, /"INFO: /.test(expected_warnings));
-    }
-    if (test.mangle && test.mangle.properties && test.mangle.properties.keep_quoted) {
-        var quoted_props = test.mangle.properties.reserved;
-        if (!Array.isArray(quoted_props)) quoted_props = [];
-        test.mangle.properties.reserved = quoted_props;
-        U.reserve_quoted_keys(input, quoted_props);
-    }
-    if (test.rename) {
-        input.figure_out_scope(test.mangle);
-        input.expand_names(test.mangle);
-    }
-    var cmp = new U.Compressor(test.options, true);
-    var output = cmp.compress(input);
-    output.figure_out_scope(test.mangle);
-    if (test.mangle) {
-        output.compute_char_frequency(test.mangle);
-        output.mangle_names(test.mangle);
-        if (test.mangle.properties) U.mangle_properties(output, test.mangle.properties);
-    }
-    var output_code = make_code(output, output_options);
-    U.AST_Node.log_function();
-    if (expect != output_code) {
-        log([
-            "!!! failed",
-            "---INPUT---",
-            "{input}",
-            "---OUTPUT---",
-            "{output}",
-            "---EXPECTED---",
-            "{expected}",
-            "",
-            "",
-        ].join("\n"), {
-            input: input_formatted,
-            output: output_code,
-            expected: expect
-        });
-        return false;
-    }
-    // expect == output
-    try {
-        output.validate_ast();
-        U.parse(output_code);
-    } catch (ex) {
-        log([
-            "!!! Test matched expected result but cannot parse output",
-            "---INPUT---",
-            "{input}",
-            "---OUTPUT---",
-            "{output}",
-            "--REPARSE ERROR--",
-            "{error}",
-            "",
-            "",
-        ].join("\n"), {
-            input: input_formatted,
-            output: output_code,
-            error: ex,
-        });
-        return false;
-    }
-    if (test.expect_warnings) {
-        warnings_emitted = warnings_emitted.map(function(input) {
-            return input.split(process.cwd() + path.sep).join("").split(path.sep).join("/");
-        });
-        var actual_warnings = JSON.stringify(warnings_emitted);
-        if (expected_warnings != actual_warnings) {
-            log([
-                "!!! failed",
-                "---INPUT---",
-                "{input}",
-                "---EXPECTED WARNINGS---",
-                "{expected_warnings}",
-                "---ACTUAL WARNINGS---",
-                "{actual_warnings}",
-                "",
-                "",
-            ].join("\n"), {
-                input: input_formatted,
-                expected_warnings: expected_warnings,
-                actual_warnings: actual_warnings,
-            });
-            return false;
-        }
-    }
-    if (test.expect_stdout && (!test.node_version || semver.satisfies(process.version, test.node_version))) {
-        var stdout = [ sandbox.run_code(input_code), sandbox.run_code(input_code, true) ];
-        var toplevel = sandbox.has_toplevel({
-            compress: test.options,
-            mangle: test.mangle
-        });
-        var actual = stdout[toplevel ? 1 : 0];
-        if (test.expect_stdout === true || test.expect_stdout instanceof Error && test.expect_stdout.name === actual.name) {
-            test.expect_stdout = actual;
-        }
-        if (!sandbox.same_stdout(test.expect_stdout, actual)) {
-            log([
-                "!!! Invalid input or expected stdout",
-                "---INPUT---",
-                "{input}",
-                "---EXPECTED {expected_type}---",
-                "{expected}",
-                "---ACTUAL {actual_type}---",
-                "{actual}",
-                "",
-                "",
-            ].join("\n"), {
-                input: input_formatted,
-                expected_type: typeof test.expect_stdout == "string" ? "STDOUT" : "ERROR",
-                expected: test.expect_stdout,
-                actual_type: typeof actual == "string" ? "STDOUT" : "ERROR",
-                actual: actual,
-            });
-            return false;
-        }
-        actual = sandbox.run_code(output_code, toplevel);
-        if (!sandbox.same_stdout(test.expect_stdout, actual)) {
-            log([
-                "!!! failed",
-                "---INPUT---",
-                "{input}",
-                "---EXPECTED {expected_type}---",
-                "{expected}",
-                "---ACTUAL {actual_type}---",
-                "{actual}",
-                "",
-                "",
-            ].join("\n"), {
-                input: input_formatted,
-                expected_type: typeof test.expect_stdout == "string" ? "STDOUT" : "ERROR",
-                expected: test.expect_stdout,
-                actual_type: typeof actual == "string" ? "STDOUT" : "ERROR",
-                actual: actual,
-            });
-            return false;
-        }
-        if (!reminify(test.options, input_code, input_formatted, stdout)) {
-            return false;
-        }
-    }
-    return true;
-}
-
-function tmpl() {
-    return U.string_template.apply(null, arguments);
-}
-
-function to_toplevel(input, mangle_options) {
-    if (!(input instanceof U.AST_BlockStatement)) throw new Error("Unsupported input syntax");
-    var directive = true;
-    var offset = input.start.line;
-    var tokens = [];
-    var toplevel = new U.AST_Toplevel(input.transform(new U.TreeTransformer(function(node) {
-        if (U.push_uniq(tokens, node.start)) node.start.line -= offset;
-        if (!directive || node === input) return;
-        if (node instanceof U.AST_SimpleStatement && node.body instanceof U.AST_String) {
-            return new U.AST_Directive(node.body);
-        } else {
-            directive = false;
-        }
-    })));
-    toplevel.figure_out_scope(mangle_options);
-    return toplevel;
-}

test/compress/angular-inject.js

@@ -0,0 +1,67 @@
+ng_inject_defun: {
+    options = {
+        angular: true
+    };
+    input: {
+        /*@ngInject*/
+        function Controller(dependency) {
+            return dependency;
+        }
+    }
+    expect: {
+        function Controller(dependency) {
+            return dependency;
+        }
+        Controller.$inject=['dependency']
+    }
+}
+
+ng_inject_assignment: {
+    options = {
+        angular: true
+    };
+    input: {
+        /*@ngInject*/
+        var Controller = function(dependency) {
+            return dependency;
+        }
+    }
+    expect: {
+        var Controller = function(dependency) {
+            return dependency;
+        }
+        Controller.$inject=['dependency']
+    }
+}
+
+ng_inject_inline: {
+    options = {
+        angular: true
+    };
+    input: {
+        angular.module('a').
+            factory('b',
+                /*@ngInject*/
+                function(dependency) {
+                    return dependency;
+                }).
+            directive('c',
+                /*@ngInject*/
+                function(anotherDependency) {
+                    return anotherDependency;
+                })
+    }
+    expect: {
+        angular.module('a').
+            factory('b',[
+                'dependency',
+                function(dependency) {
+                    return dependency;
+                }]).
+            directive('c',[
+                'anotherDependency',
+                function(anotherDependency) {
+                    return anotherDependency;
+                }])
+    }
+}

test/compress/annotations.js

@@ -1,474 +0,0 @@
-issue_2629_1: {
-    options = {
-        annotations: true,
-        side_effects: true,
-    }
-    beautify = {
-        comments: "all",
-    }
-    input: {
-        /*@__PURE__*/ a();
-        /*@__PURE__*/ (b());
-        (/*@__PURE__*/ c)();
-        (/*@__PURE__*/ d());
-    }
-    expect_exact: "c();"
-}
-
-issue_2629_2: {
-    options = {
-        annotations: true,
-        side_effects: true,
-    }
-    beautify = {
-        comments: "all",
-    }
-    input: {
-        /*@__PURE__*/ a(1)(2)(3);
-        /*@__PURE__*/ (b(1))(2)(3);
-        /*@__PURE__*/ (c(1)(2))(3);
-        /*@__PURE__*/ (d(1)(2)(3));
-        (/*@__PURE__*/ e)(1)(2)(3);
-        (/*@__PURE__*/ f(1))(2)(3);
-        (/*@__PURE__*/ g(1)(2))(3);
-        (/*@__PURE__*/ h(1)(2)(3));
-    }
-    expect_exact: [
-        "e(1)(2)(3);",
-        "f(1)(2)(3);",
-        "g(1)(2)(3);",
-    ]
-}
-
-issue_2629_3: {
-    options = {
-        annotations: true,
-        side_effects: true,
-    }
-    beautify = {
-        comments: "all",
-    }
-    input: {
-        /*@__PURE__*/ a.x(1).y(2).z(3);
-        /*@__PURE__*/ (b.x)(1).y(2).z(3);
-        /*@__PURE__*/ (c.x(1)).y(2).z(3);
-        /*@__PURE__*/ (d.x(1).y)(2).z(3);
-        /*@__PURE__*/ (e.x(1).y(2)).z(3);
-        /*@__PURE__*/ (f.x(1).y(2).z)(3);
-        /*@__PURE__*/ (g.x(1).y(2).z(3));
-        (/*@__PURE__*/ h).x(1).y(2).z(3);
-        (/*@__PURE__*/ i.x)(1).y(2).z(3);
-        (/*@__PURE__*/ j.x(1)).y(2).z(3);
-        (/*@__PURE__*/ k.x(1).y)(2).z(3);
-        (/*@__PURE__*/ l.x(1).y(2)).z(3);
-        (/*@__PURE__*/ m.x(1).y(2).z)(3);
-        (/*@__PURE__*/ n.x(1).y(2).z(3));
-    }
-    expect_exact: [
-        "h.x(1).y(2).z(3);",
-        "i.x(1).y(2).z(3);",
-        "j.x(1).y(2).z(3);",
-        "k.x(1).y(2).z(3);",
-        "l.x(1).y(2).z(3);",
-        "m.x(1).y(2).z(3);",
-    ]
-}
-
-issue_2629_4: {
-    options = {
-        annotations: true,
-        side_effects: true,
-    }
-    input: {
-        (/*@__PURE__*/ x(), y());
-        (w(), /*@__PURE__*/ x(), y());
-    }
-    expect: {
-        y();
-        w(), y();
-    }
-}
-
-issue_2629_5: {
-    options = {
-        annotations: true,
-        side_effects: true,
-    }
-    input: {
-        [ /*@__PURE__*/ x() ];
-        [ /*@__PURE__*/ x(), y() ];
-        [ w(), /*@__PURE__*/ x(), y() ];
-    }
-    expect: {
-        y();
-        w(), y();
-    }
-}
-
-issue_2638: {
-    options = {
-        annotations: true,
-        side_effects: true,
-    }
-    beautify = {
-        comments: "all",
-    }
-    input: {
-        /*@__PURE__*/(g() || h())(x(), y());
-        (/*@__PURE__*/ (a() || b()))(c(), d());
-    }
-    expect_exact: [
-        "x(),y();",
-        "(a()||b())(c(),d());",
-    ]
-}
-
-issue_2705_1: {
-    options = {
-        annotations: true,
-        side_effects: true,
-    }
-    beautify = {
-        comments: "all",
-    }
-    input: {
-        /*@__PURE__*/ new a();
-        /*@__PURE__*/ (new b());
-        new (/*@__PURE__*/ c)();
-        (/*@__PURE__*/ new d());
-    }
-    expect_exact: [
-        "new c;",
-    ]
-}
-
-issue_2705_2: {
-    options = {
-        annotations: true,
-        side_effects: true,
-    }
-    beautify = {
-        comments: "all",
-    }
-    input: {
-        /*@__PURE__*/ new a(1)(2)(3);
-        /*@__PURE__*/ new (b(1))(2)(3);
-        /*@__PURE__*/ new (c(1)(2))(3);
-        /*@__PURE__*/ new (d(1)(2)(3));
-        new (/*@__PURE__*/ e)(1)(2)(3);
-        (/*@__PURE__*/ new f(1))(2)(3);
-        (/*@__PURE__*/ new g(1)(2))(3);
-        (/*@__PURE__*/ new h(1)(2)(3));
-    }
-    expect_exact: [
-        "new e(1)(2)(3);",
-        "new f(1)(2)(3);",
-        "new g(1)(2)(3);",
-    ]
-}
-
-issue_2705_3: {
-    options = {
-        annotations: true,
-        side_effects: true,
-    }
-    beautify = {
-        comments: "all",
-    }
-    input: {
-        /*@__PURE__*/ new a.x(1).y(2).z(3);
-        /*@__PURE__*/ new (b.x)(1).y(2).z(3);
-        /*@__PURE__*/ new (c.x(1)).y(2).z(3);
-        /*@__PURE__*/ new (d.x(1).y)(2).z(3);
-        /*@__PURE__*/ new (e.x(1).y(2)).z(3);
-        /*@__PURE__*/ new (f.x(1).y(2).z)(3);
-        /*@__PURE__*/ new (g.x(1).y(2).z(3));
-        new (/*@__PURE__*/ h).x(1).y(2).z(3);
-        /* */ new (/*@__PURE__*/ i.x)(1).y(2).z(3);
-        (/*@__PURE__*/ new j.x(1)).y(2).z(3);
-        (/*@__PURE__*/ new k.x(1).y)(2).z(3);
-        (/*@__PURE__*/ new l.x(1).y(2)).z(3);
-        (/*@__PURE__*/ new m.x(1).y(2).z)(3);
-        (/*@__PURE__*/ new n.x(1).y(2).z(3));
-    }
-    expect_exact: [
-        "new h.x(1).y(2).z(3);",
-        "/* */new i.x(1).y(2).z(3);",
-        "new j.x(1).y(2).z(3);",
-        "new k.x(1).y(2).z(3);",
-        "new l.x(1).y(2).z(3);",
-        "new m.x(1).y(2).z(3);",
-    ]
-}
-
-issue_2705_4: {
-    options = {
-        annotations: true,
-        side_effects: true,
-    }
-    input: {
-        (/*@__PURE__*/ new x(), y());
-        (w(), /*@__PURE__*/ new x(), y());
-    }
-    expect: {
-        y();
-        w(), y();
-    }
-}
-
-issue_2705_5: {
-    options = {
-        annotations: true,
-        side_effects: true,
-    }
-    input: {
-        [ /*@__PURE__*/ new x() ];
-        [ /*@__PURE__*/ new x(), y() ];
-        [ w(), /*@__PURE__*/ new x(), y() ];
-    }
-    expect: {
-        y();
-        w(), y();
-    }
-}
-
-issue_2705_6: {
-    options = {
-        annotations: true,
-        side_effects: true,
-    }
-    beautify = {
-        comments: "all",
-    }
-    input: {
-        /*@__PURE__*/new (g() || h())(x(), y());
-        /* */ new (/*@__PURE__*/ (a() || b()))(c(), d());
-    }
-    expect_exact: [
-        "x(),y();",
-        "/* */new(a()||b())(c(),d());",
-    ]
-}
-
-issue_3858: {
-    options = {
-        annotations: true,
-        collapse_vars: true,
-        inline: true,
-        keep_fargs: false,
-        unsafe: true,
-        unused: true,
-    }
-    input: {
-        var f = function(a) {
-            return /*@__PURE__*/ function(b) {
-                console.log(b);
-            }(a);
-        };
-        f("PASS");
-    }
-    expect: {
-        var f = function(a) {
-            return function() {
-                console.log(a);
-            }();
-        };
-        f("PASS");
-    }
-    expect_stdout: "PASS"
-}
-
-inline_pure_call_1: {
-    options = {
-        annotations: true,
-        collapse_vars: true,
-        inline: true,
-        keep_fargs: false,
-        reduce_vars: true,
-        sequences: true,
-        side_effects: true,
-        toplevel: true,
-        unused: true,
-    }
-    input: {
-        var f = function(a) {
-            return /*@__PURE__*/ function(b) {
-                console.log(b);
-            }(a);
-        };
-        f("PASS");
-    }
-    expect: {}
-}
-
-inline_pure_call_2: {
-    options = {
-        annotations: true,
-        collapse_vars: true,
-        inline: true,
-        keep_fargs: false,
-        reduce_vars: true,
-        sequences: true,
-        side_effects: true,
-        toplevel: true,
-        unused: true,
-    }
-    input: {
-        var f = function(a) {
-            return /*@__PURE__*/ function(b) {
-                console.log(b);
-            }(a);
-        };
-        var a = f("PASS");
-    }
-    expect: {}
-}
-
-inline_pure_call_3: {
-    options = {
-        annotations: true,
-        collapse_vars: true,
-        evaluate: true,
-        inline: true,
-        keep_fargs: false,
-        passes: 2,
-        reduce_vars: true,
-        toplevel: true,
-        unused: true,
-    }
-    input: {
-        var f = function(a) {
-            return /*@__PURE__*/ function(b) {
-                console.log(b);
-            }(a);
-        };
-        var a = f("PASS");
-        console.log(a);
-    }
-    expect: {
-        var a = function() {
-            console.log("PASS");
-        }();
-        console.log(a);
-    }
-    expect_stdout: [
-        "PASS",
-        "undefined",
-    ]
-}
-
-inline_pure_call_4: {
-    options = {
-        annotations: true,
-        evaluate: true,
-        reduce_vars: true,
-        toplevel: true,
-        unused: true,
-    }
-    input: {
-        var a = /*@__PURE__*/ function() {
-            return console.log("PASS"), 42;
-        }();
-        console.log(a);
-    }
-    expect: {
-        var a = function() {
-            return console.log("PASS"), 42;
-        }();
-        console.log(a);
-    }
-    expect_stdout: [
-        "PASS",
-        "42",
-    ]
-}
-
-compress_and_output_annotations_enabled: {
-    options = {
-        annotations: true,
-        side_effects: true,
-    }
-    beautify = {
-        annotations: true,
-        beautify: true,
-        comments: false,
-    }
-    input: {
-        var top = /*@__PURE__*/ foo();
-        /*@__PURE__*/ a(1)(2)(3);
-        /*@__PURE__*/ (b(1))(2)(3);
-        /*@__PURE__*/ (c(1)(2))(3);
-        /*@__PURE__*/ (d(1)(2)(3));
-        (/*@__PURE__*/ e)(1)(2)(3);
-        (/*@__PURE__*/ f(1))(2)(3);
-        (/*@__PURE__*/ g(1)(2))(3);
-        (/*@__PURE__*/ h(1)(2)(3));
-        /*@__PURE__*/ l(1).p(2);
-        (/*@__PURE__*/ m(1)).p(2);
-        (/*@__PURE__*/ n(1).p)(2);
-        (/*@__PURE__*/ o(1).p(2));
-    }
-    expect_exact: [
-        "var top = /*@__PURE__*/foo();",
-        "",
-        "e(1)(2)(3);",
-        "",
-        "f(1)(2)(3);",
-        "",
-        "g(1)(2)(3);",
-        "",
-        "m(1).p(2);",
-        "",
-        "n(1).p(2);",
-    ]
-}
-
-compress_annotations_disabled_output_annotations_enabled: {
-    options = {
-        annotations: false,
-        evaluate: true,
-        sequences: true,
-        side_effects: true,
-    }
-    beautify = {
-        annotations: true,
-        comments: true,
-    }
-    input: {
-        /*@__PURE__*/ a(1+2);
-        /*#__PURE__*/ (b(2+3));
-        (/*@__PURE__*/ c)(side_effect);
-        (/*#__PURE__*/ d(effect()));
-    }
-    expect_exact: [
-        "/*@__PURE__*/a(3),",
-        "/*@__PURE__*/b(5),",
-        "c(side_effect),",
-        "/*@__PURE__*/d(effect());",
-    ]
-}
-
-compress_and_output_annotations_disabled: {
-    options = {
-        annotations: false,
-        evaluate: true,
-        sequences: true,
-        side_effects: true,
-    }
-    beautify = {
-        annotations: false,
-        comments: true,
-    }
-    input: {
-        /*@__PURE__*/ a(1+2);
-        /*@__PURE__*/ (b(2+3));
-        (/*@__PURE__*/ c)(side_effect);
-        (/*@__PURE__*/ d(effect()));
-    }
-    expect_exact: [
-        "a(3),",
-        "b(5),",
-        "c(side_effect),",
-        "d(effect());",
-    ]
-}

test/compress/arrays.js

@@ -13,29 +13,18 @@ holes_and_undefined: {
     }
 }
 
-constant_join_1: {
+constant_join: {
     options = {
-        evaluate: true,
-        side_effects: true,
-        strings: true,
-        unsafe: true,
-    }
+        unsafe   : true,
+        evaluate : true
+    };
     input: {
         var a = [ "foo", "bar", "baz" ].join("");
         var a1 = [ "foo", "bar", "baz" ].join();
-        var a2 = [ "foo", "bar", "baz" ].join(null);
-        var a3 = [ "foo", "bar", "baz" ].join(void 0);
-        var a4 = [ "foo", , "baz" ].join();
-        var a5 = [ "foo", null, "baz" ].join();
-        var a6 = [ "foo", void 0, "baz" ].join();
         var b = [ "foo", 1, 2, 3, "bar" ].join("");
         var c = [ boo(), "foo", 1, 2, 3, "bar", bar() ].join("");
         var c1 = [ boo(), bar(), "foo", 1, 2, 3, "bar", bar() ].join("");
         var c2 = [ 1, 2, "foo", "bar", baz() ].join("");
-        var c3 = [ boo() + bar() + "foo", 1, 2, 3, "bar", bar() + "foo" ].join("");
-        var c4 = [ 1, 2, null, undefined, "foo", "bar", baz() ].join("");
-        var c5 = [ boo() + bar() + "foo", 1, 2, 3, "bar", bar() + "foo" ].join();
-        var c6 = [ 1, 2, null, undefined, "foo", "bar", baz() ].join();
         var d = [ "foo", 1 + 2 + "bar", "baz" ].join("-");
         var e = [].join(foo + bar);
         var f = [].join("");
@@ -44,21 +33,12 @@ constant_join_1: {
     expect: {
         var a = "foobarbaz";
         var a1 = "foo,bar,baz";
-        var a2 = "foonullbarnullbaz";
-        var a3 = "foo,bar,baz";
-        var a4 = "foo,,baz";
-        var a5 = "foo,,baz";
-        var a6 = "foo,,baz";
         var b = "foo123bar";
         var c = boo() + "foo123bar" + bar();
         var c1 = "" + boo() + bar() + "foo123bar" + bar();
         var c2 = "12foobar" + baz();
-        var c3 = boo() + bar() + "foo123bar" + bar() + "foo";
-        var c4 = "12foobar" + baz();
-        var c5 = [ boo() + bar() + "foo", 1, 2, 3, "bar", bar() + "foo" ].join();
-        var c6 = [ "1,2,,,foo,bar", baz() ].join();
         var d = "foo-3bar-baz";
-        var e = (foo, bar, "");
+        var e = [].join(foo + bar);
         var f = "";
         var g = "";
     }
@@ -66,10 +46,9 @@ constant_join_1: {
 
 constant_join_2: {
     options = {
-        evaluate: true,
-        strings: true,
-        unsafe: true,
-    }
+        unsafe   : true,
+        evaluate : true
+    };
     input: {
         var a = [ "foo", "bar", boo(), "baz", "x", "y" ].join("");
         var b = [ "foo", "bar", boo(), "baz", "x", "y" ].join("-");
@@ -93,334 +72,3 @@ constant_join_2: {
         var f = "strstr" + variable + "foobarmoo" + foo;
     }
 }
-
-constant_join_3: {
-    options = {
-        evaluate: true,
-        strings: true,
-        unsafe: true,
-    }
-    input: {
-        var foo, bar, baz;
-        var a = [ null ].join();
-        var b = [ , ].join();
-        var c = [ , 1, , 3 ].join();
-        var d = [ foo ].join();
-        var e = [ foo, null, undefined, bar ].join("-");
-        var f = [ foo, bar ].join("");
-        var g = [ null, "foo", null, bar + "baz" ].join("");
-        var h = [ null, "foo", null, bar + "baz" ].join("-");
-        var i = [ "foo" + bar, null, baz + "moo" ].join("");
-        var j = [ foo + "bar", baz ].join("");
-        var k = [ foo, "bar" + baz ].join("");
-        var l = [ foo, bar + "baz" ].join("");
-    }
-    expect: {
-        var foo, bar, baz;
-        var a = "";
-        var b = "";
-        var c = ",1,,3";
-        var d = "" + foo;
-        var e = [ foo, "-", bar ].join("-");
-        var f = "" + foo + bar;
-        var g = "foo" + bar + "baz";
-        var h = [ "-foo-", bar + "baz" ].join("-");
-        var i = "foo" + bar + baz + "moo";
-        var j = foo + "bar" + baz;
-        var k = foo + "bar" + baz;
-        var l = foo + (bar + "baz");
-    }
-}
-
-for_loop: {
-    options = {
-        evaluate: true,
-        reduce_funcs: true,
-        reduce_vars: true,
-        unsafe: true,
-        unused: true,
-    }
-    input: {
-        function f0() {
-            var a = [1, 2, 3];
-            var b = 0;
-            for (var i = 0; i < a.length; i++)
-                b += a[i];
-            return b;
-        }
-        function f1() {
-            var a = [1, 2, 3];
-            var b = 0;
-            for (var i = 0, len = a.length; i < len; i++)
-                b += a[i];
-            return b;
-        }
-        function f2() {
-            var a = [1, 2, 3];
-            for (var i = 0; i < a.length; i++)
-                a[i]++;
-            return a[2];
-        }
-        console.log(f0(), f1(), f2());
-    }
-    expect: {
-        function f0() {
-            var a = [1, 2, 3];
-            var b = 0;
-            for (var i = 0; i < 3; i++)
-                b += a[i];
-            return b;
-        }
-        function f1() {
-            var a = [1, 2, 3];
-            var b = 0;
-            for (var i = 0; i < 3; i++)
-                b += a[i];
-            return b;
-        }
-        function f2() {
-            var a = [1, 2, 3];
-            for (var i = 0; i < a.length; i++)
-                a[i]++;
-            return a[2];
-        }
-        console.log(f0(), f1(), f2());
-    }
-    expect_stdout: "6 6 4"
-}
-
-index: {
-    options = {
-        evaluate: true,
-        reduce_funcs: true,
-        reduce_vars: true,
-        toplevel: true,
-        unsafe: true,
-        unused: true,
-    }
-    input: {
-        var a = [ 1, 2 ];
-        console.log(a[0], a[1]);
-    }
-    expect: {
-        console.log(1, 2);
-    }
-    expect_stdout: "1 2"
-}
-
-length: {
-    options = {
-        evaluate: true,
-        reduce_funcs: true,
-        reduce_vars: true,
-        toplevel: true,
-        unsafe: true,
-        unused: true,
-    }
-    input: {
-        var a = [ 1, 2 ];
-        console.log(a.length);
-    }
-    expect: {
-        console.log(2);
-    }
-    expect_stdout: "2"
-}
-
-index_length: {
-    options = {
-        evaluate: true,
-        reduce_funcs: true,
-        reduce_vars: true,
-        toplevel: true,
-        unsafe: true,
-        unused: true,
-    }
-    input: {
-        var a = [ 1, 2 ];
-        console.log(a[0], a.length);
-    }
-    expect: {
-        console.log(1, 2);
-    }
-    expect_stdout: "1 2"
-}
-
-constructor_bad: {
-    options = {
-        unsafe: true
-    }
-    input: {
-        try {
-            Array(NaN);
-            console.log("FAIL1");
-        } catch (ex) {
-            try {
-                new Array(NaN);
-                console.log("FAIL2");
-            } catch (ex) {
-                console.log("PASS");
-            }
-        }
-        try {
-            Array(3.14);
-            console.log("FAIL1");
-        } catch (ex) {
-            try {
-                new Array(3.14);
-                console.log("FAIL2");
-            } catch (ex) {
-                console.log("PASS");
-            }
-        }
-    }
-    expect: {
-        try {
-            Array(NaN);
-            console.log("FAIL1");
-        } catch (ex) {
-            try {
-                Array(NaN);
-                console.log("FAIL2");
-            } catch (ex) {
-                console.log("PASS");
-            }
-        }
-        try {
-            Array(3.14);
-            console.log("FAIL1");
-        } catch (ex) {
-            try {
-                Array(3.14);
-                console.log("FAIL2");
-            } catch (ex) {
-                console.log("PASS");
-            }
-        }
-    }
-    expect_stdout: [
-        "PASS",
-        "PASS",
-    ]
-    expect_warnings: [
-        "WARN: Invalid array length: 3.14 [test/compress/arrays.js:13,12]",
-        "WARN: Invalid array length: 3.14 [test/compress/arrays.js:17,16]",
-    ]
-}
-
-constructor_good: {
-    options = {
-        unsafe: true
-    }
-    input: {
-        console.log(Array());
-        console.log(Array(0));
-        console.log(Array(1));
-        console.log(Array(6));
-        console.log(Array(7));
-        console.log(Array(1, 2));
-        console.log(Array(false));
-        console.log(Array("foo"));
-        console.log(Array(Array));
-        console.log(new Array());
-        console.log(new Array(0));
-        console.log(new Array(1));
-        console.log(new Array(6));
-        console.log(new Array(7));
-        console.log(new Array(1, 2));
-        console.log(new Array(false));
-        console.log(new Array("foo"));
-        console.log(new Array(Array));
-    }
-    expect: {
-        console.log([]);
-        console.log([]);
-        console.log([,]);
-        console.log([,,,,,,]);
-        console.log(Array(7));
-        console.log([ 1, 2 ]);
-        console.log([ false ]);
-        console.log([ "foo" ]);
-        console.log(Array(Array));
-        console.log([]);
-        console.log([]);
-        console.log([,]);
-        console.log([,,,,,,]);
-        console.log(Array(7));
-        console.log([ 1, 2 ]);
-        console.log([ false ]);
-        console.log([ "foo" ]);
-        console.log(Array(Array));
-    }
-    expect_stdout: true
-    expect_warnings: []
-}
-
-unsafe_evaluate_modified_binary: {
-    options = {
-        evaluate: true,
-        reduce_vars: true,
-        unsafe: true,
-    }
-    input: {
-        (function(a) {
-            (console && a).push(1);
-            if (a.length)
-                console.log("PASS");
-        })([]);
-    }
-    expect: {
-        (function(a) {
-            (console && a).push(1);
-            if (a.length)
-                console.log("PASS");
-        })([]);
-    }
-    expect_stdout: "PASS"
-}
-
-unsafe_evaluate_modified_conditional: {
-    options = {
-        evaluate: true,
-        reduce_vars: true,
-        unsafe: true,
-    }
-    input: {
-        (function(a) {
-            (console ? a : []).push(1);
-            if (a.length)
-                console.log("PASS");
-        })([]);
-    }
-    expect: {
-        (function(a) {
-            (console ? a : []).push(1);
-            if (a.length)
-                console.log("PASS");
-        })([]);
-    }
-    expect_stdout: "PASS"
-}
-
-unsafe_evaluate_modified_sequence: {
-    options = {
-        evaluate: true,
-        reduce_vars: true,
-        unsafe: true,
-    }
-    input: {
-        (function(a) {
-            (0, a).push(1);
-            if (a.length)
-                console.log("PASS");
-        })([]);
-    }
-    expect: {
-        (function(a) {
-            (0, a).push(1);
-            if (a.length)
-                console.log("PASS");
-        })([]);
-    }
-    expect_stdout: "PASS"
-}

test/compress/asm.js

@@ -1,233 +0,0 @@
-asm_mixed: {
-    options = {
-        assignments: true,
-        booleans: true,
-        comparisons: true,
-        conditionals: true,
-        dead_code: true,
-        drop_debugger: true,
-        evaluate: true,
-        hoist_funs: true,
-        hoist_vars: true,
-        if_return: true,
-        join_vars: true,
-        keep_fargs: true,
-        keep_fnames: false,
-        loops: true,
-        negate_iife: true,
-        properties: true,
-        sequences: true,
-        side_effects: true,
-        unused: true,
-    }
-    input: {
-        // adapted from http://asmjs.org/spec/latest/
-        function asm_GeometricMean(stdlib, foreign, buffer) {
-          "use asm";
-          var exp = stdlib.Math.exp;
-          var log = stdlib.Math.log;
-          var values = new stdlib.Float64Array(buffer);
-          function logSum(start, end) {
-            start = start|0;
-            end = end|0;
-            var sum = 0.0, p = 0, q = 0;
-            // asm.js forces byte addressing of the heap by requiring shifting by 3
-            for (p = start << 3, q = end << 3; (p|0) < (q|0); p = (p + 8)|0) {
-              sum = sum + +log(values[p>>3]);
-            }
-            return +sum;
-          }
-          function geometricMean(start, end) {
-            start = start|0;
-            end = end|0;
-            return +exp(+logSum(start, end) / +((end - start)|0));
-          }
-          return { geometricMean: geometricMean };
-        }
-        function no_asm_GeometricMean(stdlib, foreign, buffer) {
-          var exp = stdlib.Math.exp;
-          var log = stdlib.Math.log;
-          var values = new stdlib.Float64Array(buffer);
-          function logSum(start, end) {
-            start = start|0;
-            end = end|0;
-            var sum = 0.0, p = 0, q = 0;
-            // asm.js forces byte addressing of the heap by requiring shifting by 3
-            for (p = start << 3, q = end << 3; (p|0) < (q|0); p = (p + 8)|0) {
-              sum = sum + +log(values[p>>3]);
-            }
-            return +sum;
-          }
-          function geometricMean(start, end) {
-            start = start|0;
-            end = end|0;
-            return +exp(+logSum(start, end) / +((end - start)|0));
-          }
-          return { geometricMean: geometricMean };
-        }
-    }
-    expect: {
-        function asm_GeometricMean(stdlib, foreign, buffer) {
-            "use asm";
-            var exp = stdlib.Math.exp;
-            var log = stdlib.Math.log;
-            var values = new stdlib.Float64Array(buffer);
-            function logSum(start, end) {
-                start = start | 0;
-                end = end | 0;
-                var sum = 0.0, p = 0, q = 0;
-                for (p = start << 3, q = end << 3; (p | 0) < (q | 0); p = p + 8 | 0)
-                    sum = sum + +log(values[p >> 3]);
-                return +sum;
-            }
-            function geometricMean(start, end) {
-                start = start | 0;
-                end = end | 0;
-                return +exp(+logSum(start, end) / +(end - start | 0));
-            }
-            return { geometricMean: geometricMean };
-        }
-        function no_asm_GeometricMean(stdlib, foreign, buffer) {
-            function logSum(start, end) {
-                start |= 0, end |= 0;
-                for (var sum = 0, p = 0, q = 0, p = start << 3, q = end << 3; (0 | p) < (0 | q); p = p + 8 | 0)
-                    sum += +log(values[p >> 3]);
-                return +sum;
-            }
-            function geometricMean(start, end) {
-                return start |= 0, end |= 0, +exp(+logSum(start, end) / (end - start | 0));
-            }
-            var exp = stdlib.Math.exp, log = stdlib.Math.log, values = new stdlib.Float64Array(buffer);
-            return { geometricMean: geometricMean };
-        }
-    }
-}
-
-asm_toplevel: {
-    options = {}
-    input: {
-        "use asm";
-        0.0;
-        function f() {
-            0.0;
-            (function(){
-                0.0;
-            });
-        }
-        0.0;
-    }
-    expect_exact: '"use asm";0.0;function f(){0.0;(function(){0.0})}0.0;'
-}
-
-asm_function_expression: {
-    options = {}
-    input: {
-        0.0;
-        var a = function() {
-            "use asm";
-            0.0;
-        }
-        function f() {
-            0.0;
-            return function(){
-                "use asm";
-                0.0;
-            }
-            0.0;
-        }
-        0.0;
-    }
-    expect_exact: '0;var a=function(){"use asm";0.0};function f(){0;return function(){"use asm";0.0};0}0;'
-}
-
-asm_nested_functions: {
-    options = {}
-    input: {
-        0.0;
-        function a() {
-            "use asm";
-            0.0;
-        }
-        0.0;
-        function b() {
-            0.0;
-            function c(){
-                "use asm";
-                0.0;
-            }
-            0.0;
-            function d(){
-                0.0;
-            }
-            0.0;
-        }
-        0.0;
-    }
-    expect_exact: '0;function a(){"use asm";0.0}0;function b(){0;function c(){"use asm";0.0}0;function d(){0}0}0;'
-}
-
-issue_3636_1: {
-    mangle = {}
-    input: {
-        function n(stdlib, foreign, buffer) {
-            "use asm";
-            function add(x, y) {
-                x = x | 0;
-                y = y | 0;
-                return x + y | 0;
-            }
-            return {
-                add: add
-            };
-        }
-        console.log(new n().add("foo", 42));
-    }
-    expect: {
-        function n(o, e, u) {
-            "use asm";
-            function d(n, o) {
-                n = n | 0;
-                o = o | 0;
-                return n + o | 0;
-            }
-            return {
-                add: d
-            };
-        }
-        console.log(new n().add("foo", 42));
-    }
-    expect_stdout: "42"
-}
-
-issue_3636_2: {
-    mangle = {}
-    input: {
-        var n = function(stdlib, foreign, buffer) {
-            "use asm";
-            function add(x, y) {
-                x = x | 0;
-                y = y | 0;
-                return x + y | 0;
-            }
-            return {
-                add: add
-            };
-        };
-        console.log(new n().add("foo", 42));
-    }
-    expect: {
-        var n = function(n, o, e) {
-            "use asm";
-            function r(n, o) {
-                n = n | 0;
-                o = o | 0;
-                return n + o | 0;
-            }
-            return {
-                add: r
-            };
-        };
-        console.log(new n().add("foo", 42));
-    }
-    expect_stdout: "42"
-}

test/compress/assignments.js

@@ -1,805 +0,0 @@
-op_equals_left_local_var: {
-    options = {
-        assignments: true,
-        evaluate: true,
-    }
-    input: {
-        var x;
-
-        x = x +   3;
-        x = x -   3;
-        x = x /   3;
-        x = x *   3;
-        x = x >>  3;
-        x = x <<  3;
-        x = x >>> 3;
-        x = x |   3;
-        x = x ^   3;
-        x = x %   3;
-        x = x &   3;
-
-        x = x +   g();
-        x = x -   g();
-        x = x /   g();
-        x = x *   g();
-        x = x >>  g();
-        x = x <<  g();
-        x = x >>> g();
-        x = x |   g();
-        x = x ^   g();
-        x = x %   g();
-        x = x &   g();
-    }
-    expect: {
-        var x;
-
-        x   += 3;
-        x   -= 3;
-        x   /= 3;
-        x   *= 3;
-        x  >>= 3;
-        x  <<= 3;
-        x >>>= 3;
-        x   |= 3;
-        x   ^= 3;
-        x   %= 3;
-        x   &= 3;
-
-        x   += g();
-        x   -= g();
-        x   /= g();
-        x   *= g();
-        x  >>= g();
-        x  <<= g();
-        x >>>= g();
-        x   |= g();
-        x   ^= g();
-        x   %= g();
-        x   &= g();
-    }
-}
-
-op_equals_right_local_var: {
-    options = {
-        assignments: true,
-        evaluate: true,
-    }
-    input: {
-        var x;
-
-        x = (x -= 2) ^ x;
-
-        x = 3 +   x;
-        x = 3 -   x;
-        x = 3 /   x;
-        x = 3 *   x;
-        x = 3 >>  x;
-        x = 3 <<  x;
-        x = 3 >>> x;
-        x = 3 |   x;
-        x = 3 ^   x;
-        x = 3 %   x;
-        x = 3 &   x;
-
-        x = g() +   x;
-        x = g() -   x;
-        x = g() /   x;
-        x = g() *   x;
-        x = g() >>  x;
-        x = g() <<  x;
-        x = g() >>> x;
-        x = g() |   x;
-        x = g() ^   x;
-        x = g() %   x;
-        x = g() &   x;
-    }
-    expect: {
-        var x;
-
-        x = (x -= 2) ^ x;
-
-        x = 3 + x;
-        x = 3 - x;
-        x = 3 / x;
-        x *= 3;
-        x = 3 >> x;
-        x = 3 << x;
-        x = 3 >>> x;
-        x |= 3;
-        x ^= 3;
-        x = 3 % x;
-        x &= 3;
-
-        x = g() +   x;
-        x = g() -   x;
-        x = g() /   x;
-        x = g() *   x;
-        x = g() >>  x;
-        x = g() <<  x;
-        x = g() >>> x;
-        x = g() |   x;
-        x = g() ^   x;
-        x = g() %   x;
-        x = g() &   x;
-    }
-}
-op_equals_left_global_var: {
-    options = {
-        assignments: true,
-        evaluate: true,
-    }
-    input: {
-        x = x +   3;
-        x = x -   3;
-        x = x /   3;
-        x = x *   3;
-        x = x >>  3;
-        x = x <<  3;
-        x = x >>> 3;
-        x = x |   3;
-        x = x ^   3;
-        x = x %   3;
-        x = x &   3;
-
-        x = x +   g();
-        x = x -   g();
-        x = x /   g();
-        x = x *   g();
-        x = x >>  g();
-        x = x <<  g();
-        x = x >>> g();
-        x = x |   g();
-        x = x ^   g();
-        x = x %   g();
-        x = x &   g();
-    }
-    expect: {
-        x   += 3;
-        x   -= 3;
-        x   /= 3;
-        x   *= 3;
-        x  >>= 3;
-        x  <<= 3;
-        x >>>= 3;
-        x   |= 3;
-        x   ^= 3;
-        x   %= 3;
-        x   &= 3;
-
-        x   += g();
-        x   -= g();
-        x   /= g();
-        x   *= g();
-        x  >>= g();
-        x  <<= g();
-        x >>>= g();
-        x   |= g();
-        x   ^= g();
-        x   %= g();
-        x   &= g();
-    }
-}
-
-op_equals_right_global_var: {
-    options = {
-        assignments: true,
-        evaluate: true,
-    }
-    input: {
-        x = (x -= 2) ^ x;
-
-        x = 3 +   x;
-        x = 3 -   x;
-        x = 3 /   x;
-        x = 3 *   x;
-        x = 3 >>  x;
-        x = 3 <<  x;
-        x = 3 >>> x;
-        x = 3 |   x;
-        x = 3 ^   x;
-        x = 3 %   x;
-        x = 3 &   x;
-
-        x = g() +   x;
-        x = g() -   x;
-        x = g() /   x;
-        x = g() *   x;
-        x = g() >>  x;
-        x = g() <<  x;
-        x = g() >>> x;
-        x = g() |   x;
-        x = g() ^   x;
-        x = g() %   x;
-        x = g() &   x;
-    }
-    expect: {
-        x = (x -= 2) ^ x;
-
-        x = 3 +   x;
-        x = 3 -   x;
-        x = 3 /   x;
-        x *= 3;
-        x = 3 >>  x;
-        x = 3 <<  x;
-        x = 3 >>> x;
-        x |= 3;
-        x ^= 3;
-        x = 3 %   x;
-        x &= 3;
-
-        x = g() +   x;
-        x = g() -   x;
-        x = g() /   x;
-        x = g() *   x;
-        x = g() >>  x;
-        x = g() <<  x;
-        x = g() >>> x;
-        x = g() |   x;
-        x = g() ^   x;
-        x = g() %   x;
-        x = g() &   x;
-    }
-}
-
-increment_decrement_1: {
-    options = {
-        assignments: true,
-        reduce_vars: true,
-    }
-    input: {
-        console.log(function(a) {
-            a += 1;
-            a -= 1;
-            return a;
-        }(42));
-    }
-    expect: {
-        console.log(function(a){
-            ++a;
-            --a;
-            return a;
-        }(42));
-    }
-    expect_stdout: "42"
-}
-
-increment_decrement_2: {
-    options = {
-        assignments: true,
-        passes: 2,
-        reduce_vars: true,
-    }
-    input: {
-        console.log(function(a) {
-            a = a + 1;
-            a = a - 1;
-            a += 1;
-            a -= 1;
-            return a;
-        }(42));
-    }
-    expect: {
-        console.log(function(a){
-            ++a;
-            --a;
-            ++a;
-            --a;
-            return a;
-        }(42));
-    }
-    expect_stdout: "42"
-}
-
-issue_3375_1: {
-    options = {
-        assignments: true,
-        reduce_vars: true,
-    }
-    input: {
-        function p(o) {
-            console.log(typeof o, o);
-        }
-        p(function(b) {
-            var a = b += 1;
-            --b;
-            return a;
-        }("object"));
-    }
-    expect: {
-        function p(o) {
-            console.log(typeof o, o);
-        }
-        p(function(b) {
-            var a = b += 1;
-            --b;
-            return a;
-        }("object"));
-    }
-    expect_stdout: "string object1"
-}
-
-issue_3375_2: {
-    options = {
-        assignments: true,
-        reduce_vars: true,
-    }
-    input: {
-        function p(o) {
-            console.log(typeof o, o);
-        }
-        p(function(b) {
-            var a = b -= 1;
-            --b;
-            return a;
-        }("object"));
-    }
-    expect: {
-        function p(o) {
-            console.log(typeof o, o);
-        }
-        p(function(b) {
-            var a = --b;
-            --b;
-            return a;
-        }("object"));
-    }
-    expect_stdout: "number NaN"
-}
-
-issue_3427: {
-    options = {
-        assignments: true,
-        sequences: true,
-        side_effects: true,
-        unused: true,
-    }
-    input: {
-        (function() {
-            var a;
-            a || (a = {});
-        })();
-    }
-    expect: {}
-}
-
-issue_3429_1: {
-    options = {
-        assignments: true,
-        side_effects: true,
-        unused: true,
-    }
-    input: {
-        var a = "PASS";
-        (function(b) {
-            b && (b = a = "FAIL");
-        })();
-        console.log(a);
-    }
-    expect: {
-        var a = "PASS";
-        (function(b) {
-            b = b && (a = "FAIL");
-        })();
-        console.log(a);
-    }
-    expect_stdout: "PASS"
-}
-
-issue_3429_2: {
-    options = {
-        assignments: true,
-        side_effects: true,
-        unused: true,
-    }
-    input: {
-        var a;
-        (function(b) {
-            b || (b = a = "FAIL");
-        })(42);
-        console.log(a);
-    }
-    expect: {
-        var a;
-        (function(b) {
-            b = b || (a = "FAIL");
-        })(42);
-        console.log(a);
-    }
-    expect_stdout: "undefined"
-}
-
-issue_3949_1: {
-    options = {
-        assignments: true,
-        evaluate: true,
-        reduce_vars: true,
-    }
-    input: {
-        var a = 42;
-        function f() {
-            var b = a;
-            b = b >> 2;
-            return 100 + b;
-        }
-        console.log(f());
-    }
-    expect: {
-        var a = 42;
-        function f() {
-            var b = a;
-            b >>= 2;
-            return 100 + b;
-        }
-        console.log(f());
-    }
-    expect_stdout: "110"
-}
-
-issue_3949_2: {
-    options = {
-        assignments: true,
-        evaluate: true,
-        reduce_vars: true,
-    }
-    input: {
-        var a = 42;
-        function f() {
-            var b = a;
-            b = 5 & b;
-            return 100 + b;
-        }
-        console.log(f());
-    }
-    expect: {
-        var a = 42;
-        function f() {
-            var b = a;
-            b &= 5;
-            return 100 + b;
-        }
-        console.log(f());
-    }
-    expect_stdout: "100"
-}
-
-issue_4521: {
-    options = {
-        assignments: true,
-        dead_code: true,
-    }
-    input: {
-        var a = (a = 42 | a) ? console.log(a) : 0;
-    }
-    expect: {
-        var a = (a |= 42) ? console.log(a) : 0;
-    }
-    expect_stdout: "42"
-}
-
-logical_assignments: {
-    input: {
-        var a = 42, b = null, c;
-        a &&= "foo";
-        b ||= "bar";
-        c ??= "baz";
-        console.log(a, b, c);
-    }
-    expect_exact: 'var a=42,b=null,c;a&&="foo";b||="bar";c??="baz";console.log(a,b,c);'
-    expect_stdout: "foo bar baz"
-    node_version: ">=15"
-}
-
-logical_collapse_vars_1: {
-    options = {
-        collapse_vars: true,
-    }
-    input: {
-        var a = "FAIL", b = false;
-        a = "PASS";
-        b ??= a;
-        console.log(a);
-    }
-    expect: {
-        var a = "FAIL", b = false;
-        a = "PASS";
-        b ??= a;
-        console.log(a);
-    }
-    expect_stdout: "PASS"
-    node_version: ">=15"
-}
-
-logical_collapse_vars_2: {
-    options = {
-        collapse_vars: true,
-    }
-    input: {
-        var a = "PASS";
-        (function(b) {
-            b ||= (a = "FAIL", {});
-            return b;
-        })(console).log(a);
-    }
-    expect: {
-        var a = "PASS";
-        (function(b) {
-            return b ||= (a = "FAIL", {});
-        })(console).log(a);
-    }
-    expect_stdout: "PASS"
-    node_version: ">=15"
-}
-
-logical_collapse_vars_3: {
-    options = {
-        collapse_vars: true,
-    }
-    input: {
-        var a = 6;
-        a *= 7;
-        a ??= "FAIL";
-        console.log(a);
-    }
-    expect: {
-        var a = 6;
-        a = a * 7 ?? "FAIL";
-        console.log(a);
-    }
-    expect_stdout: "42"
-    node_version: ">=15"
-}
-
-logical_reduce_vars: {
-    options = {
-        evaluate: true,
-        reduce_vars: true,
-        toplevel: true,
-        unused: true,
-    }
-    input: {
-        var a = "PASS", b = 42;
-        b ??= a = "FAIL";
-        console.log(a);
-    }
-    expect: {
-        var a = "PASS", b = 42;
-        b ??= a = "FAIL";
-        console.log(a);
-    }
-    expect_stdout: "PASS"
-    node_version: ">=15"
-}
-
-logical_side_effects: {
-    options = {
-        side_effects: true,
-        toplevel: true,
-        unused: true,
-    }
-    input: {
-        var a = "PASS", b = 42;
-        b ??= a = "FAIL";
-        console.log(a);
-    }
-    expect: {
-        var a = "PASS", b = 42;
-        b ??= a = "FAIL";
-        console.log(a);
-    }
-    expect_stdout: "PASS"
-    node_version: ">=15"
-}
-
-evaluate_lazy_assignment: {
-    options = {
-        evaluate: true,
-        reduce_vars: true,
-        toplevel: true,
-        unused: true,
-    }
-    input: {
-        var a = 42;
-        console.log(a &&= "PASS");
-    }
-    expect: {
-        console.log("PASS");
-    }
-    expect_stdout: "PASS"
-    node_version: ">=15"
-}
-
-issue_4815_1: {
-    options = {
-        evaluate: true,
-        reduce_vars: true,
-        toplevel: true,
-        unused: true,
-    }
-    input: {
-        var a = "PASS";
-        42..p &&= a = "FAIL";
-        console.log(a);
-    }
-    expect: {
-        var a = "PASS";
-        42..p &&= a = "FAIL";
-        console.log(a);
-    }
-    expect_stdout: "PASS"
-    node_version: ">=15"
-}
-
-issue_4815_2: {
-    options = {
-        pure_getters: "strict",
-        side_effects: true,
-    }
-    input: {
-        var a = "PASS";
-        42..p &&= a = "FAIL";
-        console.log(a);
-    }
-    expect: {
-        var a = "PASS";
-        42..p &&= a = "FAIL";
-        console.log(a);
-    }
-    expect_stdout: "PASS"
-    node_version: ">=15"
-}
-
-issue_4819: {
-    options = {
-        comparisons: true,
-    }
-    input: {
-        console.log(void 0 === ([].p &&= 42));
-    }
-    expect: {
-        console.log(void 0 === ([].p &&= 42));
-    }
-    expect_stdout: "true"
-    node_version: ">=15"
-}
-
-issue_4827_1: {
-    options = {
-        collapse_vars: true,
-        toplevel: true,
-    }
-    input: {
-        A = "FAIL";
-        var a = A, b = "PASS", c;
-        c &&= b = a, console.log(b);
-    }
-    expect: {
-        var a = A = "FAIL", b = "PASS", c;
-        c &&= b = a, console.log(b);
-    }
-    expect_stdout: "PASS"
-    node_version: ">=15"
-}
-
-issue_4827_2: {
-    options = {
-        collapse_vars: true,
-        inline: true,
-        reduce_vars: true,
-        side_effects: true,
-        toplevel: true,
-        unused: true,
-    }
-    input: {
-        var a = 0, b = "PASS";
-        function f(c) {
-            a++,
-            c &&= b = a;
-        }
-        f();
-        console.log(b);
-    }
-    expect: {
-        var a = 0, b = "PASS";
-        a++,
-        c &&= b = a;
-        var c;
-        console.log(b);
-    }
-    expect_stdout: "PASS"
-    node_version: ">=15"
-}
-
-issue_4827_3: {
-    options = {
-        merge_vars: true,
-        toplevel: true,
-    }
-    input: {
-        var a = 0, b, c;
-        a++;
-        c &&= b = a;
-        console.log(b);
-    }
-    expect: {
-        var a = 0, b, c;
-        a++;
-        c &&= b = a;
-        console.log(b);
-    }
-    expect_stdout: "undefined"
-    node_version: ">=15"
-}
-
-issue_4876: {
-    options = {
-        pure_getters: "strict",
-        reduce_vars: true,
-        side_effects: true,
-        toplevel: true,
-    }
-    input: {
-        try {
-            var a = null;
-            var b = a &&= 42;
-            b.p;
-        } catch (e) {
-            console.log("PASS");
-        }
-    }
-    expect: {
-        try {
-            var a = null;
-            var b = a &&= 42;
-            b.p;
-        } catch (e) {
-            console.log("PASS");
-        }
-    }
-    expect_stdout: "PASS"
-    node_version: ">=15"
-}
-
-issue_4924_1: {
-    options = {
-        collapse_vars: true,
-        side_effects: true,
-        toplevel: true,
-        unused: true,
-    }
-    input: {
-        var a, b;
-        console.log("PASS");
-        a = function() {};
-        b = function() {}(b ||= a);
-    }
-    expect: {
-        var b;
-        console.log("PASS");
-        b = void (b ||= function() {});
-    }
-    expect_stdout: "PASS"
-    node_version: ">=15"
-}
-
-issue_4924_2: {
-    options = {
-        collapse_vars: true,
-        dead_code: true,
-        passes: 2,
-        sequences: true,
-        side_effects: true,
-        toplevel: true,
-        unused: true,
-    }
-    input: {
-        var a, b;
-        console.log("PASS");
-        a = function() {};
-        b = function() {}(b ||= a);
-    }
-    expect: {
-        console.log("PASS");
-    }
-    expect_stdout: "PASS"
-    node_version: ">=15"
-}

test/compress/bigint.js

@@ -1,92 +0,0 @@
-arithmetic: {
-    input: {
-        console.log(((1n + 0x2n) * (0o3n - -4n)) >> (5n - 6n));
-    }
-    expect_exact: "console.log((1n+0x2n)*(0o3n- -4n)>>5n-6n);"
-    expect_stdout: "42n"
-    node_version: ">=10.4.0"
-}
-
-minus_dot: {
-    input: {
-        console.log(typeof -42n.toString(), typeof (-42n).toString());
-    }
-    expect_exact: "console.log(typeof-42n.toString(),typeof(-42n).toString());"
-    expect_stdout: "number string"
-    node_version: ">=10.4.0"
-}
-
-evaluate: {
-    options = {
-        evaluate: true,
-        unsafe: true,
-    }
-    input: {
-        console.log((0xDEAD_BEEFn).toString(16));
-    }
-    expect: {
-        console.log(0xdeadbeefn.toString(16));
-    }
-    expect_stdout: "deadbeef"
-    node_version: ">=10.4.0"
-}
-
-Number: {
-    options = {
-        unsafe: true,
-    }
-    input: {
-        console.log(Number(-0xfeed_dead_beef_badn));
-    }
-    expect: {
-        console.log(+("" + -0xfeed_dead_beef_badn));
-    }
-    expect_stdout: "-1148098955808013200"
-    node_version: ">=10.4.0"
-}
-
-issue_4590: {
-    options = {
-        collapse_vars: true,
-    }
-    input: {
-        A = 1;
-        0n || console.log("PASS");
-    }
-    expect: {
-        A = 1;
-        0n || console.log("PASS");
-    }
-    expect_stdout: "PASS"
-    node_version: ">=10.4.0"
-}
-
-issue_4801: {
-    options = {
-        booleans: true,
-        collapse_vars: true,
-        reduce_vars: true,
-        unused: true,
-    }
-    input: {
-        try {
-            (function(a) {
-                A = 42;
-                a || A;
-            })(!(0 == 42 >> 0o644n));
-        } catch (e) {
-            console.log("PASS");
-        }
-    }
-    expect: {
-        try {
-            (function(a) {
-                0 != (A = 42) >> 0o644n || A;
-            })();
-        } catch (e) {
-            console.log("PASS");
-        }
-    }
-    expect_stdout: "PASS"
-    node_version: ">=10.4.0"
-}

test/compress/booleans.js

@@ -1,788 +0,0 @@
-iife_boolean_context: {
-    options = {
-        booleans: true,
-        evaluate: true,
-    }
-    input: {
-        console.log(function() {
-            return Object(1) || false;
-        }() ? "PASS" : "FAIL");
-        console.log(function() {
-            return [].length || true;
-        }() ? "PASS" : "FAIL");
-    }
-    expect: {
-        console.log(function() {
-            return Object(1);
-        }() ? "PASS" : "FAIL");
-        console.log(function() {
-            return [].length, 1;
-        }() ? "PASS" : "FAIL");
-    }
-    expect_stdout: [
-        "PASS",
-        "PASS",
-    ]
-    expect_warnings: [
-        "WARN: Dropping side-effect-free || [test/compress/booleans.js:2,19]",
-        "WARN: Boolean || always true [test/compress/booleans.js:5,19]",
-    ]
-}
-
-de_morgan_1a: {
-    options = {
-        booleans: true,
-    }
-    input: {
-        function f(a) {
-            return a || a;
-        }
-        console.log(f(null), f(42));
-    }
-    expect: {
-        function f(a) {
-            return a;
-        }
-        console.log(f(null), f(42));
-    }
-    expect_stdout: "null 42"
-}
-
-de_morgan_1b: {
-    options = {
-        booleans: true,
-    }
-    input: {
-        function f(a) {
-            return a && a;
-        }
-        console.log(f(null), f(42));
-    }
-    expect: {
-        function f(a) {
-            return a;
-        }
-        console.log(f(null), f(42));
-    }
-    expect_stdout: "null 42"
-}
-
-de_morgan_1c: {
-    options = {
-        booleans: true,
-    }
-    input: {
-        console.log(delete (NaN && NaN));
-    }
-    expect: {
-        console.log(delete (0, NaN));
-    }
-    expect_stdout: "true"
-}
-
-de_morgan_2a: {
-    options = {
-        booleans: true,
-        conditionals: true,
-    }
-    input: {
-        function f(a, b) {
-            return a || (a || b);
-        }
-        console.log(f(null), f(null, {}));
-        console.log(f(42), f(42, {}));
-    }
-    expect: {
-        function f(a, b) {
-            return a || b;
-        }
-        console.log(f(null), f(null, {}));
-        console.log(f(42), f(42, {}));
-    }
-    expect_stdout: [
-        "undefined {}",
-        "42 42",
-    ]
-}
-
-de_morgan_2b: {
-    options = {
-        booleans: true,
-        evaluate: true,
-    }
-    input: {
-        function f(a, b) {
-            return a || (a && b);
-        }
-        console.log(f(null), f(null, {}));
-        console.log(f(42), f(42, {}));
-    }
-    expect: {
-        function f(a, b) {
-            return a;
-        }
-        console.log(f(null), f(null, {}));
-        console.log(f(42), f(42, {}));
-    }
-    expect_stdout: [
-        "null null",
-        "42 42",
-    ]
-}
-
-de_morgan_2c: {
-    options = {
-        booleans: true,
-        evaluate: true,
-    }
-    input: {
-        function f(a, b) {
-            return a && (a || b);
-        }
-        console.log(f(null), f(null, {}));
-        console.log(f(42), f(42, {}));
-    }
-    expect: {
-        function f(a, b) {
-            return a;
-        }
-        console.log(f(null), f(null, {}));
-        console.log(f(42), f(42, {}));
-    }
-    expect_stdout: [
-        "null null",
-        "42 42",
-    ]
-}
-
-de_morgan_2d: {
-    options = {
-        booleans: true,
-        evaluate: true,
-        side_effects: true,
-    }
-    input: {
-        function f(a, b) {
-            return a && (a && b);
-        }
-        console.log(f(null), f(null, {}));
-        console.log(f(42), f(42, {}));
-    }
-    expect: {
-        function f(a, b) {
-            return a && b;
-        }
-        console.log(f(null), f(null, {}));
-        console.log(f(42), f(42, {}));
-    }
-    expect_stdout: [
-        "null null",
-        "undefined {}",
-    ]
-}
-
-de_morgan_3a: {
-    options = {
-        booleans: true,
-        conditionals: true,
-    }
-    input: {
-        function f(a, b, c) {
-            return a || ((a || b) || c);
-        }
-        console.log(f(null, false), f(null, false, {}), f(null, true), f(null, true, {}));
-        console.log(f(42, false), f(42, false, {}), f(42, true), f(42, true, {}));
-    }
-    expect: {
-        function f(a, b, c) {
-            return a || b || c;
-        }
-        console.log(f(null, !1), f(null, !1, {}), f(null, !0), f(null, !0, {}));
-        console.log(f(42, !1), f(42, !1, {}), f(42, !0), f(42, !0, {}));
-    }
-    expect_stdout: [
-        "undefined {} true true",
-        "42 42 42 42",
-    ]
-}
-
-de_morgan_3b: {
-    options = {
-        booleans: true,
-        evaluate: true,
-        side_effects: true,
-    }
-    input: {
-        function f(a, b, c) {
-            return a || ((a || b) && c);
-        }
-        console.log(f(null, false), f(null, false, {}), f(null, true), f(null, true, {}));
-        console.log(f(42, false), f(42, false, {}), f(42, true), f(42, true, {}));
-    }
-    expect: {
-        function f(a, b, c) {
-            return a || b && c;
-        }
-        console.log(f(null, !1), f(null, !1, {}), f(null, !0), f(null, !0, {}));
-        console.log(f(42, !1), f(42, !1, {}), f(42, !0), f(42, !0, {}));
-    }
-    expect_stdout: [
-        "false false undefined {}",
-        "42 42 42 42",
-    ]
-}
-
-de_morgan_3c: {
-    options = {
-        booleans: true,
-        evaluate: true,
-        side_effects: true,
-    }
-    input: {
-        function f(a, b, c) {
-            return a || ((a && b) || c);
-        }
-        console.log(f(null, false), f(null, false, {}), f(null, true), f(null, true, {}));
-        console.log(f(42, false), f(42, false, {}), f(42, true), f(42, true, {}));
-    }
-    expect: {
-        function f(a, b, c) {
-            return a || c;
-        }
-        console.log(f(null, !1), f(null, !1, {}), f(null, !0), f(null, !0, {}));
-        console.log(f(42, !1), f(42, !1, {}), f(42, !0), f(42, !0, {}));
-    }
-    expect_stdout: [
-        "undefined {} undefined {}",
-        "42 42 42 42",
-    ]
-}
-
-de_morgan_3d: {
-    options = {
-        booleans: true,
-        evaluate: true,
-    }
-    input: {
-        function f(a, b, c) {
-            return a || ((a && b) && c);
-        }
-        console.log(f(null, false), f(null, false, {}), f(null, true), f(null, true, {}));
-        console.log(f(42, false), f(42, false, {}), f(42, true), f(42, true, {}));
-    }
-    expect: {
-        function f(a, b, c) {
-            return a;
-        }
-        console.log(f(null, !1), f(null, !1, {}), f(null, !0), f(null, !0, {}));
-        console.log(f(42, !1), f(42, !1, {}), f(42, !0), f(42, !0, {}));
-    }
-    expect_stdout: [
-        "null null null null",
-        "42 42 42 42",
-    ]
-}
-
-de_morgan_3e: {
-    options = {
-        booleans: true,
-        evaluate: true,
-    }
-    input: {
-        function f(a, b, c) {
-            return a && ((a || b) || c);
-        }
-        console.log(f(null, false), f(null, false, {}), f(null, true), f(null, true, {}));
-        console.log(f(42, false), f(42, false, {}), f(42, true), f(42, true, {}));
-    }
-    expect: {
-        function f(a, b, c) {
-            return a;
-        }
-        console.log(f(null, !1), f(null, !1, {}), f(null, !0), f(null, !0, {}));
-        console.log(f(42, !1), f(42, !1, {}), f(42, !0), f(42, !0, {}));
-    }
-    expect_stdout: [
-        "null null null null",
-        "42 42 42 42",
-    ]
-}
-
-de_morgan_3f: {
-    options = {
-        booleans: true,
-        evaluate: true,
-        side_effects: true,
-    }
-    input: {
-        function f(a, b, c) {
-            return a && ((a || b) && c);
-        }
-        console.log(f(null, false), f(null, false, {}), f(null, true), f(null, true, {}));
-        console.log(f(42, false), f(42, false, {}), f(42, true), f(42, true, {}));
-    }
-    expect: {
-        function f(a, b, c) {
-            return a && c;
-        }
-        console.log(f(null, !1), f(null, !1, {}), f(null, !0), f(null, !0, {}));
-        console.log(f(42, !1), f(42, !1, {}), f(42, !0), f(42, !0, {}));
-    }
-    expect_stdout: [
-        "null null null null",
-        "undefined {} undefined {}",
-    ]
-}
-
-de_morgan_3g: {
-    options = {
-        booleans: true,
-        evaluate: true,
-        side_effects: true,
-    }
-    input: {
-        function f(a, b, c) {
-            return a && ((a && b) || c);
-        }
-        console.log(f(null, false), f(null, false, {}), f(null, true), f(null, true, {}));
-        console.log(f(42, false), f(42, false, {}), f(42, true), f(42, true, {}));
-    }
-    expect: {
-        function f(a, b, c) {
-            return a && (b || c);
-        }
-        console.log(f(null, !1), f(null, !1, {}), f(null, !0), f(null, !0, {}));
-        console.log(f(42, !1), f(42, !1, {}), f(42, !0), f(42, !0, {}));
-    }
-    expect_stdout: [
-        "null null null null",
-        "undefined {} true true",
-    ]
-}
-
-de_morgan_3h: {
-    options = {
-        booleans: true,
-        conditionals: true,
-    }
-    input: {
-        function f(a, b, c) {
-            return a && ((a && b) && c);
-        }
-        console.log(f(null, false), f(null, false, {}), f(null, true), f(null, true, {}));
-        console.log(f(42, false), f(42, false, {}), f(42, true), f(42, true, {}));
-    }
-    expect: {
-        function f(a, b, c) {
-            return a && b && c;
-        }
-        console.log(f(null, !1), f(null, !1, {}), f(null, !0), f(null, !0, {}));
-        console.log(f(42, !1), f(42, !1, {}), f(42, !0), f(42, !0, {}));
-    }
-    expect_stdout: [
-        "null null null null",
-        "false false undefined {}",
-    ]
-}
-
-conditional_chain: {
-    options = {
-        booleans: true,
-        conditionals: true,
-        evaluate: true,
-    }
-    input: {
-        function f(a, b) {
-            return a ? a : b ? b : 42;
-        }
-        console.log(f("PASS", "FAIL"));
-    }
-    expect: {
-        function f(a, b) {
-            return a || b || 42;
-        }
-        console.log(f("PASS", "FAIL"));
-    }
-    expect_stdout: "PASS"
-}
-
-negated_if: {
-    options = {
-        booleans: true,
-        conditionals: true,
-        side_effects: true,
-    }
-    input: {
-        console.log(function(a) {
-            if (!a)
-                return a ? "FAIL" : "PASS";
-        }(!console));
-    }
-    expect: {
-        console.log(function(a) {
-            if (!a)
-                return "PASS";
-        }(!console));
-    }
-    expect_stdout: "PASS"
-}
-
-concat_truthy: {
-    options = {
-        booleans: true,
-        evaluate: true,
-    }
-    input: {
-        console.log("foo") + (console.log("bar"), "baz") || console.log("moo");
-    }
-    expect: {
-        console.log("foo") + (console.log("bar"), "baz");
-    }
-    expect_stdout: [
-        "foo",
-        "bar",
-    ]
-    expect_warnings: [
-        "WARN: + in boolean context always true [test/compress/booleans.js:1,8]",
-        "WARN: Condition left of || always true [test/compress/booleans.js:1,8]",
-    ]
-}
-
-process_returns: {
-    options = {
-        booleans: true,
-    }
-    input: {
-        (function() {
-            return 42;
-        })() && console.log("PASS");
-    }
-    expect: {
-        (function() {
-            return 42;
-        })() && console.log("PASS");
-    }
-    expect_stdout: "PASS"
-}
-
-issue_3465_1: {
-    options = {
-        booleans: true,
-    }
-    input: {
-        console.log(function(a) {
-            return typeof a;
-        }() ? "PASS" : "FAIL");
-    }
-    expect: {
-        console.log(function(a) {
-            return 1;
-        }() ? "PASS" : "FAIL");
-    }
-    expect_stdout: "PASS"
-}
-
-issue_3465_2: {
-    options = {
-        booleans: true,
-    }
-    input: {
-        console.log(function f(a) {
-            if (!a) console.log(f(42));
-            return typeof a;
-        }() ? "PASS" : "FAIL");
-    }
-    expect: {
-        console.log(function f(a) {
-            if (!a) console.log(f(42));
-            return typeof a;
-        }() ? "PASS" : "FAIL");
-    }
-    expect_stdout: [
-        "number",
-        "PASS",
-    ]
-}
-
-issue_3465_3: {
-    options = {
-        booleans: true,
-        passes: 2,
-        unused: true,
-    }
-    input: {
-        console.log(function f(a) {
-            return typeof a;
-        }() ? "PASS" : "FAIL");
-    }
-    expect: {
-        console.log(function(a) {
-            return 1;
-        }() ? "PASS" : "FAIL");
-    }
-    expect_stdout: "PASS"
-}
-
-issue_2737_2: {
-    options = {
-        booleans: true,
-        inline: true,
-        reduce_vars: true,
-        unused: true,
-    }
-    input: {
-        (function(bar) {
-            for (;bar();) break;
-        })(function qux() {
-            return console.log("PASS"), qux;
-        });
-    }
-    expect: {
-        (function(bar) {
-            for (;bar();) break;
-        })(function() {
-            return console.log("PASS"), 1;
-        });
-    }
-    expect_stdout: "PASS"
-}
-
-issue_3658: {
-    options = {
-        booleans: true,
-        evaluate: true,
-        reduce_vars: true,
-    }
-    input: {
-        console.log(function f() {
-            console || f();
-            return "PASS";
-        }());
-    }
-    expect: {
-        console.log(function f() {
-            console || f();
-            return "PASS";
-        }());
-    }
-    expect_stdout: "PASS"
-}
-
-issue_3690: {
-    options = {
-        booleans: true,
-        unused: true,
-    }
-    input: {
-        console.log(function(a) {
-            return function() {
-                return a = [ this ];
-            }() ? "PASS" : "FAIL";
-        }());
-    }
-    expect: {
-        console.log(function(a) {
-            return function() {
-                return 1;
-            }() ? "PASS" : "FAIL";
-        }());
-    }
-    expect_stdout: "PASS"
-}
-
-issue_4374: {
-    options = {
-        booleans: true,
-        conditionals: true,
-        if_return: true,
-        reduce_vars: true,
-        unused: true,
-    }
-    input: {
-        (function() {
-            console.log(f());
-            function f(a) {
-                if (null) return 0;
-                if (a) return 1;
-                return 0;
-            }
-        })();
-    }
-    expect: {
-        (function() {
-            console.log(function(a) {
-                return !null && a ? 1 : 0;
-            }());
-        })();
-    }
-    expect_stdout: "0"
-}
-
-issue_5028_1: {
-    options = {
-        booleans: true,
-        conditionals: true,
-    }
-    input: {
-        var a = 1;
-        console.log(function() {
-            return a-- ? a-- ? "FAIL 1" : "PASS" : "FAIL 2";
-        }());
-    }
-    expect: {
-        var a = 1;
-        console.log(function() {
-            return a-- ? a-- ? "FAIL 1" : "PASS" : "FAIL 2";
-        }());
-    }
-    expect_stdout: "PASS"
-}
-
-issue_5028_2: {
-    options = {
-        booleans: true,
-        conditionals: true,
-        dead_code: true,
-        if_return: true,
-    }
-    input: {
-        var a = 1;
-        (function() {
-            if (a--)
-                if (a--)
-                    a = "FAIL";
-                else
-                    return;
-        })();
-        console.log(a);
-    }
-    expect: {
-        var a = 1;
-        (function() {
-            a-- && a-- && (a = "FAIL");
-        })();
-        console.log(a);
-    }
-    expect_stdout: "-1"
-}
-
-issue_5028_3: {
-    options = {
-        booleans: true,
-        conditionals: true,
-        evaluate: true,
-        if_return: true,
-    }
-    input: {
-        var a = 1;
-        (function() {
-            if (a--)
-                if (a--)
-                    a = "FAIL";
-                else
-                    return;
-        })();
-        console.log(a);
-    }
-    expect: {
-        var a = 1;
-        (function() {
-            a-- && a-- && (a = "FAIL");
-        })();
-        console.log(a);
-    }
-    expect_stdout: "-1"
-}
-
-issue_5041_1: {
-    options = {
-        booleans: true,
-        conditionals: true,
-    }
-    input: {
-        var a = 42;
-        if (a)
-            if ([ a = null ])
-                if (a)
-                    console.log("FAIL");
-                else
-                    console.log("PASS");
-    }
-    expect: {
-        var a = 42;
-        a && [ a = null ] && (a ? console.log("FAIL") : console.log("PASS"));
-    }
-    expect_stdout: "PASS"
-}
-
-issue_5041_2: {
-    options = {
-        booleans: true,
-        conditionals: true,
-    }
-    input: {
-        var a;
-        if (!a)
-            if (a = 42)
-                if (a)
-                    console.log("PASS");
-                else
-                    console.log("FAIL");
-    }
-    expect: {
-        var a;
-        a || (a = 42) && (a ? console.log("PASS") : console.log("FAIL"));
-    }
-    expect_stdout: "PASS"
-}
-
-issue_5228: {
-    options = {
-        booleans: true,
-        evaluate: true,
-        inline: true,
-        passes: 2,
-    }
-    input: {
-        console.log(function() {
-            return !function() {
-                do {
-                    return null;
-                } while (console);
-            }();
-        }());
-    }
-    expect: {
-        console.log(function() {
-            do {
-                return !0;
-            } while (console);
-            return !0;
-        }());
-    }
-    expect_stdout: "true"
-}
-
-issue_5469: {
-    options = {
-        assignments: true,
-        booleans: true,
-        conditionals: true,
-        dead_code: true,
-        evaluate: true,
-        pure_getters: "strict",
-        side_effects: true,
-    }
-    input: {
-        console.log(function f(a) {
-            a && 42[a = A && null];
-        }());
-    }
-    expect: {
-        console.log(function f(a) {
-            a && A,
-            0;
-        }());
-    }
-    expect_stdout: "undefined"
-}

test/compress/comparisons.js

@@ -1,540 +0,0 @@
-comparisons: {
-    options = {
-        comparisons: true,
-    }
-    input: {
-        var obj1, obj2;
-        var result1 = obj1 <= obj2;
-        var result2 = obj1 <  obj2;
-        var result3 = obj1 >= obj2;
-        var result4 = obj1 >  obj2;
-    }
-    expect: {
-        var obj1, obj2;
-        var result1 = obj1 <= obj2;
-        var result2 = obj1 <  obj2;
-        var result3 = obj2 <= obj1;
-        var result4 = obj2 <  obj1;
-    }
-}
-
-unsafe_comps: {
-    options = {
-        comparisons: true,
-        conditionals: true,
-        unsafe_comps: true,
-    }
-    input: {
-        var obj1, obj2;
-        obj1 <= obj2 ? f1() : g1();
-        obj1 <  obj2 ? f2() : g2();
-        obj1 >= obj2 ? f3() : g3();
-        obj1 >  obj2 ? f4() : g4();
-    }
-    expect: {
-        var obj1, obj2;
-        (obj2 <  obj1 ? g1 : f1)();
-        (obj1 <  obj2 ? f2 : g2)();
-        (obj1 <  obj2 ? g3 : f3)();
-        (obj2 <  obj1 ? f4 : g4)();
-    }
-}
-
-unsafe_in_instanceof: {
-    options = {
-        side_effects: true,
-        unsafe_comps: true,
-    }
-    input: {
-        var a;
-        42 in a;
-        f() instanceof "foo";
-    }
-    expect: {
-        var a;
-        f();
-    }
-}
-
-dont_change_in_or_instanceof_expressions: {
-    input: {
-        1 in 1;
-        null in null;
-        1 instanceof 1;
-        null instanceof null;
-    }
-    expect: {
-        1 in 1;
-        null in null;
-        1 instanceof 1;
-        null instanceof null;
-    }
-}
-
-self_comparison_1: {
-    options = {
-        comparisons: true,
-    }
-    input: {
-        a === a;
-        a !== b;
-        b.c === a.c;
-        b.c !== b.c;
-    }
-    expect: {
-        a == a;
-        a !== b;
-        b.c === a.c;
-        b.c != b.c;
-    }
-}
-
-self_comparison_2: {
-    options = {
-        comparisons: true,
-        reduce_funcs: true,
-        reduce_vars: true,
-        toplevel: true,
-    }
-    input: {
-        function f() {}
-        var o = {};
-        console.log(f != f, o === o);
-    }
-    expect: {
-        function f() {}
-        var o = {};
-        console.log(false, true);
-    }
-    expect_stdout: "false true"
-}
-
-self_comparison_3: {
-    options = {
-        comparisons: true,
-    }
-    input: {
-        var a;
-        function f() {
-            var b = a;
-            a = null;
-            return b;
-        }
-        for (var i = 0; i < 2; i++)
-            console.log(f() === f());
-    }
-    expect: {
-        var a;
-        function f() {
-            var b = a;
-            a = null;
-            return b;
-        }
-        for (var i = 0; i < 2; i++)
-            console.log(f() === f());
-    }
-    expect_stdout: [
-        "false",
-        "true",
-    ]
-}
-
-self_comparison_4: {
-    options = {
-        booleans: true,
-        comparisons: true,
-        reduce_vars: true,
-        toplevel: true,
-        unused: true,
-    }
-    input: {
-        var o = {};
-        console.log(o == o, o != o);
-        console.log(o === o, o !== o);
-    }
-    expect: {
-        console.log(!0, !1);
-        console.log(!0, !1);
-    }
-    expect_stdout: [
-        "true false",
-        "true false",
-    ]
-}
-
-issue_2857_1: {
-    options = {
-        comparisons: true,
-    }
-    input: {
-        function f1(a) {
-            a === undefined || a === null;
-            a === undefined || a !== null;
-            a !== undefined || a === null;
-            a !== undefined || a !== null;
-            a === undefined && a === null;
-            a === undefined && a !== null;
-            a !== undefined && a === null;
-            a !== undefined && a !== null;
-        }
-        function f2(a) {
-            a === null || a === undefined;
-            a === null || a !== undefined;
-            a !== null || a === undefined;
-            a !== null || a !== undefined;
-            a === null && a === undefined;
-            a === null && a !== undefined;
-            a !== null && a === undefined;
-            a !== null && a !== undefined;
-        }
-    }
-    expect: {
-        function f1(a) {
-            null == a;
-            void 0 === a || null !== a;
-            void 0 !== a || null === a;
-            void 0 !== a || null !== a;
-            void 0 === a && null === a;
-            void 0 === a && null !== a;
-            void 0 !== a && null === a;
-            null != a;
-        }
-        function f2(a) {
-            null == a;
-            null === a || void 0 !== a;
-            null !== a || void 0 === a;
-            null !== a || void 0 !== a;
-            null === a && void 0 === a;
-            null === a && void 0 !== a;
-            null !== a && void 0 === a;
-            null != a;
-        }
-    }
-}
-
-issue_2857_2: {
-    options = {
-        comparisons: true,
-    }
-    input: {
-        function f(a, p) {
-            a === undefined || a === null || p;
-            a === undefined || a !== null || p;
-            a !== undefined || a === null || p;
-            a !== undefined || a !== null || p;
-            a === undefined && a === null || p;
-            a === undefined && a !== null || p;
-            a !== undefined && a === null || p;
-            a !== undefined && a !== null || p;
-        }
-    }
-    expect: {
-        function f(a, p) {
-            null == a || p;
-            void 0 === a || null !== a || p;
-            void 0 !== a || null === a || p;
-            void 0 !== a || null !== a || p;
-            void 0 === a && null === a || p;
-            void 0 === a && null !== a || p;
-            void 0 !== a && null === a || p;
-            null != a || p;
-        }
-    }
-}
-
-issue_2857_3: {
-    options = {
-        comparisons: true,
-    }
-    input: {
-        function f(a, p) {
-            a === undefined || a === null && p;
-            a === undefined || a !== null && p;
-            a !== undefined || a === null && p;
-            a !== undefined || a !== null && p;
-            a === undefined && a === null && p;
-            a === undefined && a !== null && p;
-            a !== undefined && a === null && p;
-            a !== undefined && a !== null && p;
-        }
-    }
-    expect: {
-        function f(a, p) {
-            void 0 === a || null === a && p;
-            void 0 === a || null !== a && p;
-            void 0 !== a || null === a && p;
-            void 0 !== a || null !== a && p;
-            void 0 === a && null === a && p;
-            void 0 === a && null !== a && p;
-            void 0 !== a && null === a && p;
-            null != a && p;
-        }
-    }
-}
-
-issue_2857_4: {
-    options = {
-        comparisons: true,
-    }
-    input: {
-        function f(a, p) {
-            p || a === undefined || a === null;
-            p || a === undefined || a !== null;
-            p || a !== undefined || a === null;
-            p || a !== undefined || a !== null;
-            p || a === undefined && a === null;
-            p || a === undefined && a !== null;
-            p || a !== undefined && a === null;
-            p || a !== undefined && a !== null;
-        }
-    }
-    expect: {
-        function f(a, p) {
-            p || null == a;
-            p || void 0 === a || null !== a;
-            p || void 0 !== a || null === a;
-            p || void 0 !== a || null !== a;
-            p || void 0 === a && null === a;
-            p || void 0 === a && null !== a;
-            p || void 0 !== a && null === a;
-            p || null != a;
-        }
-    }
-}
-
-issue_2857_5: {
-    options = {
-        comparisons: true,
-    }
-    input: {
-        function f(a, p) {
-            p && a === undefined || a === null;
-            p && a === undefined || a !== null;
-            p && a !== undefined || a === null;
-            p && a !== undefined || a !== null;
-            p && a === undefined && a === null;
-            p && a === undefined && a !== null;
-            p && a !== undefined && a === null;
-            p && a !== undefined && a !== null;
-        }
-    }
-    expect: {
-        function f(a, p) {
-            p && void 0 === a || null === a;
-            p && void 0 === a || null !== a;
-            p && void 0 !== a || null === a;
-            p && void 0 !== a || null !== a;
-            p && void 0 === a && null === a;
-            p && void 0 === a && null !== a;
-            p && void 0 !== a && null === a;
-            p && null != a;
-        }
-    }
-}
-
-issue_2857_6: {
-    options = {
-        comparisons: true,
-        pure_getters: "strict",
-        reduce_vars: true,
-    }
-    input: {
-        function f(a) {
-            if (({}).b === undefined || {}.b === null)
-                return a.b !== undefined && a.b !== null;
-        }
-        console.log(f({
-            a: [ null ],
-            get b() {
-                return this.a.shift();
-            }
-        }));
-    }
-    expect: {
-        function f(a) {
-            if (null == {}.b)
-                return void 0 !== a.b && null !== a.b;
-        }
-        console.log(f({
-            a: [ null ],
-            get b() {
-                return this.a.shift();
-            }
-        }));
-    }
-    expect_stdout: "true"
-}
-
-is_boolean_unsafe: {
-    options = {
-        comparisons: true,
-        unsafe: true,
-    }
-    input: {
-        console.log(/foo/.test("bar") === [].isPrototypeOf({}));
-    }
-    expect: {
-        console.log(/foo/.test("bar") == [].isPrototypeOf({}));
-    }
-    expect_stdout: "true"
-}
-
-is_number_unsafe: {
-    options = {
-        comparisons: true,
-        unsafe: true,
-    }
-    input: {
-        console.log(Math.acos(42) !== "foo".charCodeAt(4));
-    }
-    expect: {
-        console.log(Math.acos(42) != "foo".charCodeAt(4));
-    }
-    expect_stdout: "true"
-}
-
-is_boolean_var: {
-    options = {
-        comparisons: true,
-        reduce_vars: true,
-    }
-    input: {
-        console.log(function(a, b) {
-            for (var i = 0, c = !b; i < a.length; i++)
-                if (!a[i] === c)
-                    return i;
-        }([ false, true ], 42));
-    }
-    expect: {
-        console.log(function(a, b) {
-            for (var i = 0, c = !b; i < a.length; i++)
-                if (!a[i] == c)
-                    return i;
-        }([ false, true ], 42));
-    }
-    expect_stdout: "1"
-}
-
-is_defined: {
-    options = {
-        comparisons: true,
-    }
-    input: {
-        console.log(function a() {
-            return void 0 === a;
-        }());
-    }
-    expect: {
-        console.log(function a() {
-            return a, false;
-        }());
-    }
-    expect_stdout: "false"
-    expect_warnings: [
-        "WARN: Expression always defined [test/compress/comparisons.js:2,19]",
-    ]
-}
-
-unsafe_indexOf: {
-    options = {
-        booleans: true,
-        comparisons: true,
-        unsafe: true,
-    }
-    input: {
-        var a = Object.keys({ foo: 42 });
-        if (a.indexOf("bar") < 0) console.log("PASS");
-        if (0 > a.indexOf("bar")) console.log("PASS");
-        if (a.indexOf("foo") >= 0) console.log("PASS");
-        if (0 <= a.indexOf("foo")) console.log("PASS");
-        if (a.indexOf("foo") > -1) console.log("PASS");
-        if (-1 < a.indexOf("foo")) console.log("PASS");
-        if (a.indexOf("bar") == -1) console.log("PASS");
-        if (-1 == a.indexOf("bar")) console.log("PASS");
-        if (a.indexOf("bar") === -1) console.log("PASS");
-        if (-1 === a.indexOf("bar")) console.log("PASS");
-        if (a.indexOf("foo") != -1) console.log("PASS");
-        if (-1 != a.indexOf("foo")) console.log("PASS");
-        if (a.indexOf("foo") !== -1) console.log("PASS");
-        if (-1 !== a.indexOf("foo")) console.log("PASS");
-    }
-    expect: {
-        var a = Object.keys({ foo: 42 });
-        if (!~a.indexOf("bar")) console.log("PASS");
-        if (!~a.indexOf("bar")) console.log("PASS");
-        if (~a.indexOf("foo")) console.log("PASS");
-        if (~a.indexOf("foo")) console.log("PASS");
-        if (~a.indexOf("foo")) console.log("PASS");
-        if (~a.indexOf("foo")) console.log("PASS");
-        if (!~a.indexOf("bar")) console.log("PASS");
-        if (!~a.indexOf("bar")) console.log("PASS");
-        if (!~a.indexOf("bar")) console.log("PASS");
-        if (!~a.indexOf("bar")) console.log("PASS");
-        if (~a.indexOf("foo")) console.log("PASS");
-        if (~a.indexOf("foo")) console.log("PASS");
-        if (~a.indexOf("foo")) console.log("PASS");
-        if (~a.indexOf("foo")) console.log("PASS");
-    }
-    expect_stdout: [
-        "PASS",
-        "PASS",
-        "PASS",
-        "PASS",
-        "PASS",
-        "PASS",
-        "PASS",
-        "PASS",
-        "PASS",
-        "PASS",
-        "PASS",
-        "PASS",
-        "PASS",
-        "PASS",
-    ]
-}
-
-issue_3413: {
-    options = {
-        comparisons: true,
-        evaluate: true,
-        side_effects: true,
-    }
-    input: {
-        var b;
-        void 0 !== ("" < b || void 0) || console.log("PASS");
-    }
-    expect: {
-        var b;
-        void 0 === ("" < b || void 0) && console.log("PASS");
-    }
-    expect_stdout: "PASS"
-}
-
-nullish_assign: {
-    options = {
-        comparisons: true,
-    }
-    input: {
-        var a;
-        void 0 !== (a = "PASS".split("")) && null !== a && console.log(a.join("-"));
-    }
-    expect: {
-        var a;
-        null != (a = "PASS".split("")) && console.log(a.join("-"));
-    }
-    expect_stdout: "P-A-S-S"
-}
-
-nullish_chain: {
-    options = {
-        comparisons: true,
-    }
-    input: {
-        var a;
-        A || B || void 0 === a || null === a || C;
-    }
-    expect: {
-        var a;
-        A || B || null == a || C;
-    }
-}

test/compress/concat-strings.js

@@ -1,7 +1,7 @@
 concat_1: {
     options = {
-        evaluate: true,
-    }
+        evaluate: true
+    };
     input: {
         var a = "foo" + "bar" + x() + "moo" + "foo" + y() + "x" + "y" + "z" + q();
         var b = "foo" + 1 + x() + 2 + "boo";
@@ -11,9 +11,6 @@ concat_1: {
         var d = 1 + x() + 2 + 3 + "boo";
 
         var e = 1 + x() + 2 + "X" + 3 + "boo";
-
-        // be careful with concatentation with "\0" with octal-looking strings.
-        var f = "\0" + 360 + "\0" + 8 + "\0";
     }
     expect: {
         var a = "foobar" + x() + "moofoo" + y() + "xyz" + q();
@@ -21,286 +18,5 @@ concat_1: {
         var c = 1 + x() + 2 + "boo";
         var d = 1 + x() + 2 + 3 + "boo";
         var e = 1 + x() + 2 + "X3boo";
-        var f = "\x00360\x008\0";
     }
 }
-
-concat_2: {
-    options = {
-        strings: true,
-    }
-    input: {
-        console.log(
-            1 + (2 + 3),
-            1 + (2 + "3"),
-            1 + ("2" + 3),
-            1 + ("2" + "3"),
-            "1" + (2 + 3),
-            "1" + (2 + "3"),
-            "1" + ("2" + 3),
-            "1" + ("2" + "3")
-        );
-    }
-    expect: {
-        console.log(
-            1 + (2 + 3),
-            1 + (2 + "3"),
-            1 + "2" + 3,
-            1 + "2" + "3",
-            "1" + (2 + 3),
-            "1" + 2 + "3",
-            "1" + "2" + 3,
-            "1" + "2" + "3"
-        );
-    }
-    expect_stdout: true
-}
-
-concat_3: {
-    options = {
-        strings: true,
-    }
-    input: {
-        console.log(
-            1 + 2 + (3 + 4 + 5),
-            1 + 2 + (3 + 4 + "5"),
-            1 + 2 + (3 + "4" + 5),
-            1 + 2 + (3 + "4" + "5"),
-            1 + 2 + ("3" + 4 + 5),
-            1 + 2 + ("3" + 4 + "5"),
-            1 + 2 + ("3" + "4" + 5),
-            1 + 2 + ("3" + "4" + "5")
-        );
-    }
-    expect: {
-        console.log(
-            1 + 2 + (3 + 4 + 5),
-            1 + 2 + (3 + 4 + "5"),
-            1 + 2 + (3 + "4") + 5,
-            1 + 2 + (3 + "4") + "5",
-            1 + 2 + "3" + 4 + 5,
-            1 + 2 + "3" + 4 + "5",
-            1 + 2 + "3" + "4" + 5,
-            1 + 2 + "3" + "4" + "5"
-        );
-    }
-    expect_stdout: true
-}
-
-concat_4: {
-    options = {
-        strings: true,
-    }
-    input: {
-        console.log(
-            1 + "2" + (3 + 4 + 5),
-            1 + "2" + (3 + 4 + "5"),
-            1 + "2" + (3 + "4" + 5),
-            1 + "2" + (3 + "4" + "5"),
-            1 + "2" + ("3" + 4 + 5),
-            1 + "2" + ("3" + 4 + "5"),
-            1 + "2" + ("3" + "4" + 5),
-            1 + "2" + ("3" + "4" + "5")
-        );
-    }
-    expect: {
-        console.log(
-            1 + "2" + (3 + 4 + 5),
-            1 + "2" + (3 + 4) + "5",
-            1 + "2" + 3 + "4" + 5,
-            1 + "2" + 3 + "4" + "5",
-            1 + "2" + "3" + 4 + 5,
-            1 + "2" + "3" + 4 + "5",
-            1 + "2" + "3" + "4" + 5,
-            1 + "2" + "3" + "4" + "5"
-        );
-    }
-    expect_stdout: true
-}
-
-concat_5: {
-    options = {
-        strings: true,
-    }
-    input: {
-        console.log(
-            "1" + 2 + (3 + 4 + 5),
-            "1" + 2 + (3 + 4 + "5"),
-            "1" + 2 + (3 + "4" + 5),
-            "1" + 2 + (3 + "4" + "5"),
-            "1" + 2 + ("3" + 4 + 5),
-            "1" + 2 + ("3" + 4 + "5"),
-            "1" + 2 + ("3" + "4" + 5),
-            "1" + 2 + ("3" + "4" + "5")
-        );
-    }
-    expect: {
-        console.log(
-            "1" + 2 + (3 + 4 + 5),
-            "1" + 2 + (3 + 4) + "5",
-            "1" + 2 + 3 + "4" + 5,
-            "1" + 2 + 3 + "4" + "5",
-            "1" + 2 + "3" + 4 + 5,
-            "1" + 2 + "3" + 4 + "5",
-            "1" + 2 + "3" + "4" + 5,
-            "1" + 2 + "3" + "4" + "5"
-        );
-    }
-    expect_stdout: true
-}
-
-concat_6: {
-    options = {
-        strings: true,
-    }
-    input: {
-        console.log(
-            "1" + "2" + (3 + 4 + 5),
-            "1" + "2" + (3 + 4 + "5"),
-            "1" + "2" + (3 + "4" + 5),
-            "1" + "2" + (3 + "4" + "5"),
-            "1" + "2" + ("3" + 4 + 5),
-            "1" + "2" + ("3" + 4 + "5"),
-            "1" + "2" + ("3" + "4" + 5),
-            "1" + "2" + ("3" + "4" + "5")
-        );
-    }
-    expect: {
-        console.log(
-            "1" + "2" + (3 + 4 + 5),
-            "1" + "2" + (3 + 4) + "5",
-            "1" + "2" + 3 + "4" + 5,
-            "1" + "2" + 3 + "4" + "5",
-            "1" + "2" + "3" + 4 + 5,
-            "1" + "2" + "3" + 4 + "5",
-            "1" + "2" + "3" + "4" + 5,
-            "1" + "2" + "3" + "4" + "5"
-        );
-    }
-    expect_stdout: true
-}
-
-concat_7: {
-    options = {
-        strings: true,
-    }
-    input: {
-        console.log(
-            "" + 1,
-            "" + "1",
-            "" + 1 + 2,
-            "" + 1 + "2",
-            "" + "1" + 2,
-            "" + "1" + "2",
-            "" + (x += "foo")
-        );
-    }
-    expect: {
-        console.log(
-            "" + 1,
-            "1",
-            "" + 1 + 2,
-            1 + "2",
-            "1" + 2,
-            "1" + "2",
-            x += "foo"
-        );
-    }
-    expect_stdout: true
-}
-
-concat_8: {
-    options = {
-        strings: true,
-    }
-    input: {
-        console.log(
-            1 + "",
-            "1" + "",
-            1 + 2 + "",
-            1 + "2" + "",
-            "1" + 2 + "",
-            "1" + "2" + "",
-            (x += "foo") + ""
-        );
-    }
-    expect: {
-        console.log(
-            1 + "",
-            "1",
-            1 + 2 + "",
-            1 + "2",
-            "1" + 2,
-            "1" + "2",
-            x += "foo"
-        );
-    }
-    expect_stdout: true
-}
-
-concat_9: {
-    options = {
-        booleans: true,
-        evaluate: true,
-        reduce_vars: true,
-        strings: true,
-        toplevel: true,
-    }
-    input: {
-        var a = "foo";
-        console.log(
-            12 + (34 + a),
-            null + (34 + a),
-            12 + (null + a),
-            false + (34 + a),
-            12 + (false + a),
-            "bar" + (34 + a),
-            12 + ("bar" + a)
-        );
-    }
-    expect: {
-        var a = "foo";
-        console.log(
-            "1234" + a,
-            "null34" + a,
-            "12null" + a,
-            !1 + (34 + a),
-            12 + (!1 + a),
-            "bar34" + a,
-            "12bar" + a
-        );
-    }
-    expect_stdout: true
-}
-
-issue_3689: {
-    options = {
-        strings: true,
-    }
-    input: {
-        console.log(function(a) {
-            return a + ("" + (a[0] = 0));
-        }([]));
-    }
-    expect: {
-        console.log(function(a) {
-            return a + ("" + (a[0] = 0));
-        }([]));
-    }
-    expect_stdout: "00"
-}
-
-issue_5145: {
-    options = {
-        strings: true,
-    }
-    input: {
-        var a = [];
-        console.log("" + a + ((a[0] = 4) + "2"));
-    }
-    expect: {
-        var a = [];
-        console.log("" + a + (a[0] = 4) + "2");
-    }
-    expect_stdout: "42"
-}

test/compress/debugger.js

@@ -1,7 +1,7 @@
 keep_debugger: {
     options = {
-        drop_debugger: false,
-    }
+        drop_debugger: false
+    };
     input: {
         debugger;
     }
@@ -12,8 +12,8 @@ keep_debugger: {
 
 drop_debugger: {
     options = {
-        drop_debugger: true,
-    }
+        drop_debugger: true
+    };
     input: {
         debugger;
         if (foo) debugger;

test/compress/directives.js

@@ -1,160 +0,0 @@
-simple_statement_is_not_a_directive: {
-    input: {
-        "use strict"
-            .split(" ")
-            .forEach(function(s) {
-                console.log(s);
-            });
-        console.log(!this); // is strict mode?
-        (function() {
-            "directive"
-            ""
-            "use strict"
-            "hello world"
-                .split(" ")
-                .forEach(function(s) {
-                    console.log(s);
-                });
-            console.log(!this); // is strict mode?
-        })();
-    }
-    expect: {
-        "use strict".split(" ").forEach(function(s) {
-            console.log(s);
-        });
-        console.log(!this);
-        (function() {
-            "directive";
-            "";
-            "use strict";
-            "hello world".split(" ").forEach(function(s) {
-                console.log(s);
-            });
-            console.log(!this);
-        })();
-    }
-    expect_stdout: [
-        "use",
-        "strict",
-        "false",
-        "hello",
-        "world",
-        "true",
-    ]
-}
-
-drop_lone_use_strict: {
-    options = {
-        directives: true,
-        unused: true,
-    }
-    input: {
-        function f1() {
-            "use strict";
-        }
-        function f2() {
-            "use strict";
-            function f3() {
-                "use strict";
-            }
-        }
-        (function f4() {
-            "use strict";
-        })();
-    }
-    expect: {
-        function f1() {
-        }
-        function f2() {
-        }
-        (function() {})();
-    }
-}
-
-issue_3166: {
-    options = {
-        directives: true,
-    }
-    input: {
-        "foo";
-        "use strict";
-        function f() {
-            "use strict";
-            "bar";
-            "use asm";
-        }
-    }
-    expect: {
-        "use strict";
-        function f() {
-            "use asm";
-        }
-    }
-}
-
-valid_after_invalid_1: {
-    input: {
-        console.log(typeof function() {
-            "use\x20strict";
-            "use strict";
-            return this;
-        }());
-    }
-    expect: {
-        console.log(typeof function() {
-            "use\x20strict";
-            "use strict";
-            return this;
-        }());
-    }
-    expect_stdout: "undefined"
-}
-
-valid_after_invalid_2: {
-    options = {
-        directives: true,
-    }
-    input: {
-        console.log(typeof function() {
-            "use\x20strict";
-            "use strict";
-            return this;
-        }());
-    }
-    expect: {
-        console.log(typeof function() {
-            "use strict";
-            return this;
-        }());
-    }
-    expect_stdout: "undefined"
-}
-
-issue_5368_1: {
-    options = {
-        directives: true,
-        expression: true,
-    }
-    input: {
-        "foo";
-    }
-    expect: {
-        "foo";
-    }
-}
-
-issue_5368_2: {
-    options = {
-        directives: true,
-        expression: true,
-    }
-    input: {
-        "foo";
-        (function() {
-            "bar";
-        })();
-    }
-    expect: {
-        (function() {})();
-    }
-}

test/compress/drop-console.js

@@ -1,26 +1,24 @@
-drop_console_1: {
-    options = {}
-    input: {
-        console.log('foo');
-        console.log.apply(console, arguments);
-    }
-    expect: {
-        console.log('foo');
-        console.log.apply(console, arguments);
-    }
-}
-
-drop_console_2: {
-    options = {
-        drop_console: true,
-    }
-    input: {
-        console.log('foo');
-        console.log.apply(console, arguments);
-    }
-    expect: {
-        // with regular compression these will be stripped out as well
-        void 0;
-        void 0;
-    }
-}
+drop_console_1: {
+    options = {};
+    input: {
+        console.log('foo');
+        console.log.apply(console, arguments);
+    }
+    expect: {
+        console.log('foo');
+        console.log.apply(console, arguments);
+    }
+}
+
+drop_console_1: {
+    options = { drop_console: true };
+    input: {
+        console.log('foo');
+        console.log.apply(console, arguments);
+    }
+    expect: {
+        // with regular compression these will be stripped out as well
+        void 0;
+        void 0;
+    }
+}

test/compress/exponentiation.js

@@ -1,147 +0,0 @@
-precedence_1: {
-    input: {
-        console.log(-4 ** 3 ** 2);
-    }
-    expect_exact: "console.log((-4)**3**2);"
-    expect_stdout: "-262144"
-    node_version: ">=8"
-}
-
-precedence_2: {
-    input: {
-        console.log(-4 ** (3 ** 2));
-    }
-    expect_exact: "console.log((-4)**3**2);"
-    expect_stdout: "-262144"
-    node_version: ">=8"
-}
-
-precedence_3: {
-    input: {
-        console.log(-(4 ** 3) ** 2);
-    }
-    expect_exact: "console.log((-(4**3))**2);"
-    expect_stdout: "4096"
-    node_version: ">=8"
-}
-
-precedence_4: {
-    input: {
-        console.log((-4 ** 3) ** 2);
-    }
-    expect_exact: "console.log(((-4)**3)**2);"
-    expect_stdout: "4096"
-    node_version: ">=8"
-}
-
-await: {
-    input: {
-        (async a => a * await a ** ++a % a)(2).then(console.log);
-    }
-    expect_exact: "(async a=>a*(await a)**++a%a)(2).then(console.log);"
-    expect_stdout: "1"
-    node_version: ">=8"
-}
-
-assignment_1: {
-    input: {
-        var a = 2;
-        a **= 5;
-        console.log(a);
-    }
-    expect_exact: "var a=2;a**=5;console.log(a);"
-    expect_stdout: "32"
-    node_version: ">=8"
-}
-
-assignment_2: {
-    input: {
-        var a = 8n;
-        a **= a;
-        console.log(a);
-    }
-    expect_exact: "var a=8n;a**=a;console.log(a);"
-    expect_stdout: "16777216n"
-    node_version: ">=10.4.0"
-}
-
-evaluate: {
-    options = {
-        evaluate: true,
-    }
-    input: {
-        console.log(1 + 2 ** 3 - 4);
-    }
-    expect: {
-        console.log(5);
-    }
-    expect_stdout: "5"
-    node_version: ">=8"
-}
-
-issue_4664: {
-    options = {
-        collapse_vars: true,
-        evaluate: true,
-        reduce_vars: true,
-        side_effects: true,
-        toplevel: true,
-        unused: true,
-    }
-    input: {
-        function f() {
-            new function(a) {
-                console.log(typeof f, a, typeof this);
-            }((A = 0, (NaN ^ 1) * 2 ** 30), 0);
-        }
-        f();
-    }
-    expect: {
-        (function f() {
-            new function(a) {
-                console.log(typeof f, 2 ** 30, typeof this);
-            }(A = 0);
-        })();
-    }
-    expect_stdout: "function 1073741824 object"
-    node_version: ">=8"
-}
-
-issue_4715: {
-    options = {
-        evaluate: true,
-    }
-    input: {
-        A = 1;
-        console.log((-0) ** A + 0);
-        console.log((-0) ** A - 0);
-        console.log((-0) ** A * 1);
-        console.log((-0) ** A / 1);
-        console.log(Math.pow(-0, A) + 0);
-        console.log(Math.pow(-0, A) - 0);
-        console.log(Math.pow(-0, A) * 1);
-        console.log(Math.pow(-0, A) / 1);
-    }
-    expect: {
-        A = 1;
-        console.log((-0) ** A + 0);
-        console.log((-0) ** A);
-        console.log((-0) ** A * 1);
-        console.log((-0) ** A);
-        console.log(Math.pow(-0, A) + 0);
-        console.log(+Math.pow(-0, A));
-        console.log(+Math.pow(-0, A));
-        console.log(+Math.pow(-0, A));
-    }
-    expect_stdout: [
-        "0",
-        "-0",
-        "-0",
-        "-0",
-        "0",
-        "-0",
-        "-0",
-        "-0",
-    ]
-    node_version: ">=8"
-}

test/compress/exports.js

@@ -1,551 +0,0 @@
-refs: {
-    input: {
-        export {};
-        export { a, b as B, c as case, d as default };
-    }
-    expect_exact: "export{};export{a,b as B,c as case,d as default};"
-}
-
-var_defs: {
-    input: {
-        export const a = 1;
-        export let b = 2, c = 3;
-        export var { d, e: [] } = f;
-    }
-    expect_exact: "export const a=1;export let b=2,c=3;export var{d,e:[]}=f;"
-}
-
-defuns: {
-    input: {
-        export class A {}
-        export function e() {}
-        export function* f(a) {}
-        export async function g(b, c) {}
-        export async function* h({}, ...[]) {}
-    }
-    expect_exact: "export class A{}export function e(){}export function*f(a){}export async function g(b,c){}export async function*h({},...[]){}"
-}
-
-defaults: {
-    input: {
-        export default 42;
-        export default async;
-        export default (x, y) => x * x;
-        export default class {};
-        export default function*(a, b) {};
-        export default async function f({ c }, ...[ d ]) {};
-    }
-    expect_exact: "export default 42;export default async;export default(x,y)=>x*x;export default class{}export default function*(a,b){}export default async function f({c},...[d]){}"
-}
-
-defaults_parentheses_1: {
-    input: {
-        export default function() {
-            console.log("FAIL");
-        }(console.log("PASS"));
-    }
-    expect_exact: 'export default function(){console.log("FAIL")}console.log("PASS");'
-}
-
-defaults_parentheses_2: {
-    input: {
-        export default (async function() {
-            console.log("PASS");
-        })();
-    }
-    expect_exact: 'export default(async function(){console.log("PASS")})();'
-}
-
-defaults_parentheses_3: {
-    input: {
-        export default (42, "PASS");
-    }
-    expect_exact: 'export default(42,"PASS");'
-}
-
-defaults_parentheses_4: {
-    input: {
-        export default (function f() {});
-    }
-    expect_exact: "export default(function f(){});"
-}
-
-defaults_parentheses_5: {
-    input: {
-        export default (function(a) {
-            console.log(a[0]);
-        }`PASS`);
-    }
-    expect_exact: "export default(function(a){console.log(a[0])})`PASS`;"
-}
-
-defaults_parentheses_6: {
-    options = {
-        conditionals: true,
-    }
-    input: {
-        export default !function() {
-            while (!console);
-        }() ? "PASS" : "FAIL";
-    }
-    expect_exact: 'export default(function(){while(!console);})()?"FAIL":"PASS";'
-}
-
-defaults_regexp: {
-    input: {
-        export default /foo/;
-    }
-    expect_exact: "export default/foo/;"
-}
-
-foreign: {
-    input: {
-        export * from "foo";
-        export {} from "bar";
-        export * as a from "baz";
-        export { default } from "moo";
-        export { b, c as case, default as delete, d } from "moz";
-    }
-    expect_exact: 'export*from"foo";export{}from"bar";export*as a from"baz";export{default}from"moo";export{b,c as case,default as delete,d}from"moz";'
-}
-
-same_quotes: {
-    beautify = {
-        beautify: true,
-        quote_style: 3,
-    }
-    input: {
-        export * from 'foo';
-        export {} from "bar";
-    }
-    expect_exact: [
-        "export * from 'foo';",
-        "",
-        'export {} from "bar";',
-    ]
-}
-
-drop_unused: {
-    options = {
-        toplevel: true,
-        unused: true,
-    }
-    input: {
-        export default 42;
-        export default (x, y) => x * x;
-        export default class A extends B { get p() { h() } }
-        export default function*(a, b) {}
-        export default async function f({ c }, ...[ d ]) {}
-        export var e;
-        export function g(x, [ y ], ...z) {}
-        function h() {}
-    }
-    expect: {
-        export default 42;
-        export default (x, y) => x * x;
-        export default class extends B { get p() { h() } }
-        export default function*(a, b) {}
-        export default async function({}) {}
-        export var e;
-        export function g(x, []) {}
-        function h() {}
-    }
-}
-
-mangle: {
-    rename = false
-    mangle = {
-        toplevel: true,
-    }
-    input: {
-        const a = 42;
-        export let b, { foo: c } = a;
-        export function f(d, { [b]: e }) {
-            d(e, f);
-        }
-        export default a;
-        export default async function g(x, ...{ [c]: y }) {
-            (await x)(g, y);
-        }
-    }
-    expect: {
-        const t = 42;
-        export let b, { foo: c } = t;
-        export function f(t, { [b]: o }) {
-            t(o, f);
-        }
-        export default t;
-        export default async function e(t, ...{ [c]: o}) {
-            (await t)(e, o);
-        }
-    }
-}
-
-mangle_rename: {
-    rename = true
-    mangle = {
-        toplevel: true,
-    }
-    input: {
-        const a = 42;
-        export let b, { foo: c } = a;
-        export function f(d, { [b]: e }) {
-            d(e, f);
-        }
-        export default a;
-        export default async function g(x, ...{ [c]: y }) {
-            (await x)(g, y);
-        }
-    }
-    expect: {
-        const t = 42;
-        export let b, { foo: c } = t;
-        export function f(t, { [b]: o }) {
-            t(o, f);
-        }
-        export default t;
-        export default async function e(t, ...{ [c]: o}) {
-            (await t)(e, o);
-        }
-    }
-}
-
-hoist_exports_1: {
-    options = {
-        hoist_exports: true,
-    }
-    input: {
-        export { a };
-        export var b;
-        export function f() {}
-    }
-    expect: {
-        var b;
-        function f() {}
-        export { a, b, f };
-    }
-}
-
-hoist_exports_2: {
-    options = {
-        evaluate: true,
-        hoist_exports: true,
-        reduce_vars: true,
-        toplevel: true,
-        unused: true,
-    }
-    mangle = {
-        toplevel: true,
-    }
-    input: {
-        const a = 42;
-        export let bbb, { foo: ccc } = a;
-        export function fff(d, { [bbb]: e }) {
-            d(e, fff);
-        }
-        export default a;
-        export default async function g(x, ...{ [ccc]: y }) {
-            (await x)(g, y);
-        }
-    }
-    expect: {
-        let e, a = 42["foo"];
-        function f(t, { [e]: o }) {
-            t(o, f);
-        }
-        export default 42;
-        export default async function n(t, ...{ [a]: o }) {
-            (await t)(n, o);
-        };
-        export { e as bbb, a as ccc, f as fff };
-    }
-}
-
-hoist_vars: {
-    options = {
-        hoist_vars: true,
-    }
-    input: {
-        var a;
-        export var b = 42;
-    }
-    expect: {
-        var a;
-        export var b = 42;
-    }
-}
-
-keep_return_values: {
-    options = {
-        booleans: true,
-        evaluate: true,
-        reduce_vars: true,
-        toplevel: true,
-    }
-    input: {
-        export default function() {
-            return [];
-        }
-        export default function f() {
-            return null;
-        }
-    }
-    expect: {
-        export default function() {
-            return [];
-        }
-        export default function f() {
-            return null;
-        }
-    }
-}
-
-in_use: {
-    options = {
-        pure_getters: "strict",
-        reduce_vars: true,
-        toplevel: true,
-        unused: true,
-    }
-    input: {
-        export function f() {}
-        f.prototype.p = 42;
-    }
-    expect: {
-        export function f() {}
-        f.prototype.p = 42;
-    }
-}
-
-in_use_default: {
-    options = {
-        pure_getters: "strict",
-        reduce_vars: true,
-        toplevel: true,
-        unused: true,
-    }
-    input: {
-        export default function f() {}
-        f.prototype.p = 42;
-    }
-    expect: {
-        export default function f() {}
-        f.prototype.p = 42;
-    }
-}
-
-single_use: {
-    options = {
-        reduce_vars: true,
-        toplevel: true,
-        unused: true,
-    }
-    input: {
-        export function f() {
-            console.log("PASS");
-        }
-        f();
-    }
-    expect: {
-        export function f() {
-            console.log("PASS");
-        }
-        f();
-    }
-}
-
-single_use_default: {
-    options = {
-        reduce_vars: true,
-        toplevel: true,
-        unused: true,
-    }
-    input: {
-        export default function f() {
-            console.log("PASS");
-        }
-        f();
-    }
-    expect: {
-        export default function f() {
-            console.log("PASS");
-        }
-        f();
-    }
-}
-
-single_use_class: {
-    options = {
-        reduce_vars: true,
-        toplevel: true,
-        unused: true,
-    }
-    input: {
-        export class A {}
-        A.prototype.p = "PASS";
-    }
-    expect: {
-        export class A {}
-        A.prototype.p = "PASS";
-    }
-}
-
-single_use_class_default: {
-    options = {
-        reduce_vars: true,
-        toplevel: true,
-        unused: true,
-    }
-    input: {
-        export default class A {}
-        A.prototype.p = "PASS";
-    }
-    expect: {
-        export default class A {}
-        A.prototype.p = "PASS";
-    }
-}
-
-hoist_funs: {
-    options = {
-        hoist_funs: true,
-    }
-    input: {
-        export function f() {}
-        export default async function* g() {}
-    }
-    expect_exact: "export function f(){}export default async function*g(){}"
-}
-
-instanceof_default_class: {
-    options = {
-        toplevel: true,
-        unused: true,
-    }
-    input: {
-        export default class A {
-            f(a) {
-                return a instanceof A;
-            }
-        }
-    }
-    expect: {
-        export default class A {
-            f(a) {
-                return a instanceof A;
-            }
-        }
-    }
-}
-
-instanceof_default_function: {
-    options = {
-        toplevel: true,
-        unused: true,
-    }
-    input: {
-        export default function f() {
-            if (!(this instanceof f))
-                throw new Error("must instantiate");
-        }
-    }
-    expect: {
-        export default function f() {
-            if (!(this instanceof f))
-                throw new Error("must instantiate");
-        }
-    }
-}
-
-issue_4742_join_vars_1: {
-    options = {
-        join_vars: true,
-    }
-    input: {
-        var a = 42;
-        export var a;
-    }
-    expect: {
-        var a = 42;
-        export var a;
-    }
-}
-
-issue_4742_join_vars_2: {
-    options = {
-        join_vars: true,
-    }
-    input: {
-        export var a = "foo";
-        var b;
-        b = "bar";
-    }
-    expect: {
-        export var a = "foo";
-        var b, b = "bar";
-    }
-}
-
-issue_4742_unused_1: {
-    options = {
-        unused: true,
-    }
-    input: {
-        var a = 42;
-        export var a;
-    }
-    expect: {
-        var a = 42;
-        export var a;
-    }
-}
-
-issue_4742_unused_2: {
-    options = {
-        reduce_vars: true,
-        toplevel: true,
-        unused: true,
-    }
-    input: {
-        export var a = "foo";
-        var a = "bar";
-    }
-    expect: {
-        export var a = "foo";
-        a = "bar";
-    }
-}
-
-issue_4761: {
-    input: {
-        export default "function" == 42;
-    }
-    expect_exact: 'export default"function"==42;'
-}
-
-issue_4766: {
-    options = {
-        unused: true,
-    }
-    input: {
-        var a = "foo";
-        export var a = "bar";
-    }
-    expect: {
-        var a = "foo";
-        export var a = "bar";
-    }
-}
-
-issue_5444: {
-    options = {
-        unused: true,
-    }
-    input: {
-        export var a = (console, console);
-    }
-    expect: {
-        console;
-        export var a = console;
-    }
-}

test/compress/global_defs.js

@@ -1,232 +0,0 @@
-must_replace: {
-    options = {
-        global_defs: {
-            D: "foo bar",
-        },
-    }
-    input: {
-        console.log(D);
-    }
-    expect: {
-        console.log("foo bar");
-    }
-}
-
-repeated_nodes: {
-    options = {
-        global_defs: {
-            "@N": "rand()",
-        },
-    }
-    input: {
-        console.log(N, N);
-    }
-    expect: {
-        console.log(rand(), rand());
-    }
-}
-
-keyword: {
-    options = {
-        global_defs: {
-            undefined: 0,
-            NaN: 1,
-            Infinity: 2,
-        },
-    }
-    input: {
-        console.log(undefined, NaN, Infinity);
-    }
-    expect: {
-        console.log(0, 1, 2);
-    }
-}
-
-object: {
-    options = {
-        evaluate: true,
-        global_defs: {
-            CONFIG: {
-                DEBUG: [ 0 ],
-                VALUE: 42,
-            },
-        },
-        side_effects: true,
-        unsafe: true,
-    }
-    input: {
-        function f(CONFIG) {
-            // CONFIG not global - do not replace
-            return CONFIG.VALUE;
-        }
-        function g() {
-            var CONFIG = { VALUE: 1 };
-            // CONFIG not global - do not replace
-            return CONFIG.VALUE;
-        }
-        function h() {
-            return CONFIG.VALUE;
-        }
-        if (CONFIG.DEBUG[0])
-            console.debug("foo");
-    }
-    expect: {
-        function f(CONFIG) {
-            return CONFIG.VALUE;
-        }
-        function g() {
-            var CONFIG = { VALUE: 1 };
-            return CONFIG.VALUE;
-        }
-        function h() {
-            return 42;
-        }
-        if (0)
-            console.debug("foo");
-    }
-}
-
-expanded: {
-    options = {
-        global_defs: {
-            "CONFIG.DEBUG": [ 0 ],
-            "CONFIG.VALUE": 42,
-        },
-    }
-    input: {
-        function f(CONFIG) {
-            // CONFIG not global - do not replace
-            return CONFIG.VALUE;
-        }
-        function g() {
-            var CONFIG = { VALUE: 1 };
-            // CONFIG not global - do not replace
-            return CONFIG.VALUE;
-        }
-        function h() {
-            return CONFIG.VALUE;
-        }
-        if (CONFIG.DEBUG[0])
-            console.debug("foo");
-    }
-    expect: {
-        function f(CONFIG) {
-            return CONFIG.VALUE;
-        }
-        function g() {
-            var CONFIG = { VALUE: 1 };
-            return CONFIG.VALUE;
-        }
-        function h() {
-            return 42;
-        }
-        if ([0][0])
-            console.debug("foo");
-    }
-}
-
-mixed: {
-    options = {
-        evaluate: true,
-        global_defs: {
-            "CONFIG.VALUE": 42,
-            "FOO.BAR": "moo",
-        },
-        properties: true,
-    }
-    input: {
-        var FOO = { BAR: 0 };
-        console.log(FOO.BAR);
-        console.log(++CONFIG.DEBUG);
-        console.log(++CONFIG.VALUE);
-        console.log(++CONFIG["VAL" + "UE"]);
-        console.log(++DEBUG[CONFIG.VALUE]);
-        CONFIG.VALUE.FOO = "bar";
-        console.log(CONFIG);
-    }
-    expect: {
-        var FOO = { BAR: 0 };
-        console.log("moo");
-        console.log(++CONFIG.DEBUG);
-        console.log(++CONFIG.VALUE);
-        console.log(++CONFIG.VALUE);
-        console.log(++DEBUG[42]);
-        CONFIG.VALUE.FOO = "bar";
-        console.log(CONFIG);
-    }
-    expect_warnings: [
-        "WARN: global_defs CONFIG.VALUE redefined [test/compress/global_defs.js:4,22]",
-        "WARN: global_defs CONFIG.VALUE redefined [test/compress/global_defs.js:7,8]",
-    ]
-}
-
-issue_1801: {
-    options = {
-        booleans: true,
-        global_defs: {
-            "CONFIG.FOO.BAR": true,
-        },
-    }
-    input: {
-        console.log(CONFIG.FOO.BAR);
-    }
-    expect: {
-        console.log(!0);
-    }
-}
-
-issue_1986: {
-    options = {
-        global_defs: {
-            "@alert": "console.log",
-        },
-    }
-    input: {
-        alert(42);
-    }
-    expect: {
-        console.log(42);
-    }
-}
-
-issue_2167: {
-    options = {
-        conditionals: true,
-        dead_code: true,
-        evaluate: true,
-        global_defs: {
-            "@isDevMode": "function(){}",
-        },
-        passes: 2,
-        side_effects: true,
-    }
-    input: {
-        if (isDevMode()) {
-            greetOverlord();
-        }
-        doWork();
-    }
-    expect: {
-        doWork();
-    }
-}
-
-issue_3217: {
-    options = {
-        collapse_vars: true,
-        global_defs: {
-            "@o": "{fn:function(){var a=42;console.log(a)}}",
-        },
-        inline: true,
-        properties: true,
-        reduce_vars: true,
-        side_effects: true,
-        unused: true,
-    }
-    input: {
-        o.fn();
-    }
-    expect: {
-        console.log(42);
-    }
-}

test/compress/hoist_vars.js

@@ -1,605 +0,0 @@
-statements: {
-    options = {
-        hoist_funs: false,
-        hoist_vars: true,
-    }
-    input: {
-        function f() {
-            var a = 1;
-            var b = 2;
-            var c = 3;
-            function g() {}
-            return g(a, b, c);
-        }
-    }
-    expect: {
-        function f() {
-            var a = 1, b = 2, c = 3;
-            function g() {}
-            return g(a, b, c);
-        }
-    }
-}
-
-statements_funs: {
-    options = {
-        hoist_funs: true,
-        hoist_vars: true,
-    }
-    input: {
-        function f() {
-            var a = 1;
-            var b = 2;
-            var c = 3;
-            function g() {}
-            return g(a, b, c);
-        }
-    }
-    expect: {
-        function f() {
-            function g() {}
-            var a = 1, b = 2, c = 3;
-            return g(a, b, c);
-        }
-    }
-}
-
-sequences: {
-    options = {
-        hoist_funs: false,
-        hoist_vars: true,
-    }
-    input: {
-        function f() {
-            var a = 1, b = 2;
-            function g() {}
-            var c = 3;
-            return g(a, b, c);
-        }
-    }
-    expect: {
-        function f() {
-            var c, a = 1, b = 2;
-            function g() {}
-            c = 3;
-            return g(a, b, c);
-        }
-    }
-}
-
-sequences_funs: {
-    options = {
-        hoist_funs: true,
-        hoist_vars: true,
-    }
-    input: {
-        function f() {
-            var a = 1, b = 2;
-            function g() {}
-            var c = 3;
-            return g(a, b, c);
-        }
-    }
-    expect: {
-        function f() {
-            function g() {}
-            var a = 1, b = 2, c = 3;
-            return g(a, b, c);
-        }
-    }
-}
-
-catch_var: {
-    options = {
-        dead_code: true,
-        hoist_vars: true,
-        side_effects: true,
-        toplevel: true,
-        unused: true,
-    }
-    input: {
-        var a = "PASS";
-        try {
-            a;
-        } catch (a) {
-            var a = 0;
-            a;
-        }
-        console.log(a);
-    }
-    expect: {
-        var a = "PASS";
-        console.log(a);
-    }
-    expect_stdout: "PASS"
-}
-
-issue_2295: {
-    options = {
-        collapse_vars: true,
-        hoist_vars: true,
-    }
-    input: {
-        function foo(o) {
-            var a = o.a;
-            if (a) return a;
-            var a = 1;
-        }
-    }
-    expect: {
-        function foo(o) {
-            var a = o.a;
-            if (a) return a;
-            a = 1;
-        }
-    }
-}
-
-issue_4487_1: {
-    options = {
-        functions: true,
-        hoist_vars: true,
-        keep_fnames: true,
-        reduce_vars: true,
-        toplevel: true,
-        unused: true,
-    }
-    input: {
-        var a = function f() {
-            var f = console.log(typeof f);
-        };
-        var b = a();
-    }
-    expect: {
-        var a = function f() {
-            var f = console.log(typeof f);
-        };
-        a();
-    }
-    expect_stdout: "undefined"
-}
-
-issue_4487_2: {
-    options = {
-        functions: true,
-        hoist_vars: true,
-        keep_fnames: true,
-        passes: 2,
-        reduce_vars: true,
-        toplevel: true,
-        unused: true,
-    }
-    input: {
-        var a = function f() {
-            var f = console.log(typeof f);
-        };
-        var b = a();
-    }
-    expect: {
-        function a() {
-            var f = console.log(typeof f);
-        }
-        a();
-    }
-    expect_stdout: "undefined"
-}
-
-issue_4487_3: {
-    options = {
-        functions: true,
-        hoist_vars: true,
-        keep_fnames: true,
-        passes: 3,
-        reduce_vars: true,
-        toplevel: true,
-        unused: true,
-    }
-    input: {
-        var a = function f() {
-            var f = console.log(typeof f);
-        };
-        var b = a();
-    }
-    expect: {
-        (function a() {
-            console.log(typeof void 0);
-        })();
-    }
-    expect_stdout: "undefined"
-}
-
-issue_4489: {
-    options = {
-        collapse_vars: true,
-        evaluate: true,
-        hoist_vars: true,
-        reduce_vars: true,
-        toplevel: true,
-        unused: true,
-    }
-    input: {
-        A = 0;
-        var o = !0 || null;
-        for (var k in o);
-        console.log(k);
-    }
-    expect: {
-        for (var k in !(A = 0));
-        console.log(k);
-    }
-    expect_stdout: "undefined"
-}
-
-issue_4517: {
-    options = {
-        collapse_vars: true,
-        hoist_vars: true,
-        join_vars: true,
-        reduce_vars: true,
-        unused: true,
-    }
-    input: {
-        console.log(function() {
-            var a = 2;
-            A = a;
-            var b = typeof !1;
-            return A + b;
-        }());
-    }
-    expect: {
-        console.log(function() {
-            var a = 2;
-            return (A = a) + typeof !1;
-        }());
-    }
-    expect_stdout: "2boolean"
-}
-
-issue_4736: {
-    options = {
-        collapse_vars: true,
-        evaluate: true,
-        hoist_vars: true,
-        merge_vars: true,
-        reduce_vars: true,
-        toplevel: true,
-        unused: true,
-    }
-    input: {
-        var a;
-        function f() {
-            (function g() {
-                var b = (a = 0, 1 << 30);
-                var c = (a = 0, console.log(b));
-                var d = c;
-            })(f);
-        }
-        f();
-    }
-    expect: {
-        (function() {
-            (function() {
-                0,
-                console.log(1 << 30);
-            })();
-        })();
-    }
-    expect_stdout: "1073741824"
-}
-
-issue_4839: {
-    options = {
-        evaluate: true,
-        hoist_vars: true,
-        keep_fargs: false,
-        reduce_vars: true,
-        toplevel: true,
-        unused: true,
-    }
-    input: {
-        var log = console.log, o = function(a, b) {
-            return b && b;
-        }("foo");
-        for (var k in o)
-            throw "FAIL";
-        log("PASS");
-    }
-    expect: {
-        var k, log = console.log;
-        for (k in void 0)
-            throw "FAIL";
-        log("PASS");
-    }
-    expect_stdout: "PASS"
-}
-
-issue_4859: {
-    options = {
-        evaluate: true,
-        hoist_vars: true,
-        keep_infinity: true,
-        merge_vars: true,
-        reduce_vars: true,
-        toplevel: true,
-        unused: true,
-    }
-    input: {
-        function f(a) {
-            var b = (a = 2, 1 / 0), c = 3;
-            var d = a + b;
-            console.log(d);
-            return f;
-        }
-        f();
-    }
-    expect: {
-        (function f(a) {
-            console.log(2 + 1 / 0);
-            return f;
-        })();
-    }
-    expect_stdout: "Infinity"
-}
-
-issue_4893_1: {
-    options = {
-        collapse_vars: true,
-        evaluate: true,
-        hoist_vars: true,
-        reduce_vars: true,
-        toplevel: true,
-        unused: true,
-    }
-    input: {
-        function f() {
-            function g() {}
-            var a = null;
-            var b = null;
-            var c = null;
-            b.p += a = 42;
-            f;
-        }
-        try {
-            f();
-        } catch (e) {
-            console.log("PASS");
-        }
-    }
-    expect: {
-        try{
-            (function f() {
-                null.p += 42;
-                f;
-            })();
-        } catch (e) {
-            console.log("PASS");
-        }
-    }
-    expect_stdout: "PASS"
-}
-
-issue_4893_2: {
-    options = {
-        collapse_vars: true,
-        hoist_vars: true,
-        pure_getters: "strict",
-        reduce_vars: true,
-        side_effects: true,
-        toplevel: true,
-        unused: true,
-    }
-    input: {
-        function f() {
-            function g() {}
-            var a = null;
-            var b = null;
-            var c = null;
-            b.p += a = 42;
-            f;
-        }
-        try {
-            f();
-        } catch (e) {
-            console.log("PASS");
-        }
-    }
-    expect: {
-        try{
-            (function() {
-                var a;
-                a = null;
-                a.p += 42;
-            })();
-        } catch (e) {
-            console.log("PASS");
-        }
-    }
-    expect_stdout: "PASS"
-}
-
-issue_4898: {
-    options = {
-        collapse_vars: true,
-        evaluate: true,
-        hoist_vars: true,
-        loops: true,
-        reduce_vars: true,
-        toplevel: true,
-        unused: true,
-    }
-    input: {
-        do {
-            var b = [ console.log("PASS") ];
-            var c = b;
-        } while (c.p = 0);
-    }
-    expect: {
-        var b;
-        b = [ console.log("PASS") ];
-        b.p = 0;
-    }
-    expect_stdout: "PASS"
-}
-
-issue_5187: {
-    options = {
-        hoist_props: true,
-        hoist_vars: true,
-        reduce_vars: true,
-        side_effects: true,
-        toplevel: true,
-        unused: true,
-    }
-    input: {
-        function f() {
-            var a = 42;
-            do {
-                var b = { 0: a++ };
-            } while (console.log(b[b ^= 0]));
-        }
-        f();
-    }
-    expect: {
-        (function() {
-            var b, a = 42;
-            do {
-                b = { 0: a++ };
-            } while (console.log(b[b ^= 0]));
-        })();
-    }
-    expect_stdout: "42"
-}
-
-issue_5195: {
-    options = {
-        hoist_props: true,
-        hoist_vars: true,
-        reduce_vars: true,
-        side_effects: true,
-        toplevel: true,
-        unused: true,
-    }
-    input: {
-        function f() {
-            var a;
-            do {
-                var b = { p: a };
-            } while (console.log(b += ""));
-        }
-        f();
-    }
-    expect: {
-        (function() {
-            var a, b;
-            do {
-                b = { p: a };
-            } while (console.log(b += ""));
-        })();
-    }
-    expect_stdout: "[object Object]"
-}
-
-issue_5378: {
-    options = {
-        hoist_vars: true,
-        inline: true,
-        toplevel: true,
-    }
-    input: {
-        var a = 2;
-        while (a--)
-            (function() {
-                var b;
-                var c;
-                while (console.log(b));
-                --b;
-            })();
-    }
-    expect: {
-        var a = 2;
-        while (a--) {
-            b = void 0;
-            var b, c;
-            while (console.log(b));
-            --b;
-        }
-    }
-    expect_stdout: [
-        "undefined",
-        "undefined",
-    ]
-}
-
-issue_5411_1: {
-    options = {
-        collapse_vars: true,
-        dead_code: true,
-        hoist_vars: true,
-        reduce_vars: true,
-        side_effects: true,
-        toplevel: true,
-    }
-    input: {
-        var a = "PASS";
-        b++;
-        b = a;
-        var b = b, c = c && c[b];
-        console.log(b);
-    }
-    expect: {
-        var b, c, a = "PASS";
-        b++;
-        b = a;
-        c = c && c[b];
-        console.log(b);
-    }
-    expect_stdout: "PASS"
-}
-
-issue_5411_2: {
-    options = {
-        collapse_vars: true,
-        dead_code: true,
-        evaluate: true,
-        hoist_vars: true,
-        reduce_vars: true,
-        toplevel: true,
-        unused: true,
-    }
-    input: {
-        var a = "PASS";
-        b++;
-        b = a;
-        var b = b, c = c && c[b];
-        console.log(b);
-    }
-    expect: {
-        var b, c;
-        b++;
-        b = "PASS",
-        c = c && c[b];
-        console.log(b);
-    }
-    expect_stdout: "PASS"
-}
-
-issue_5411_3: {
-    options = {
-        collapse_vars: true,
-        hoist_vars: true,
-        reduce_vars: true,
-        toplevel: true,
-    }
-    input: {
-        var a = console;
-        a++;
-        var a = A = a;
-        console.log(A);
-    }
-    expect: {
-        var a = console;
-        a = A = ++a;
-        console.log(A);
-    }
-    expect_stdout: "NaN"
-}

test/compress/html_comments.js

@@ -1,107 +0,0 @@
-html_comment_in_expression: {
-    input: {
-        (function(a, b) {
-            console.log(a < !--b && a-- > b, a, b);
-        })(1, 2);
-    }
-    expect_exact: "(function(a,b){console.log(a<! --b&&a-- >b,a,b)})(1,2);"
-    expect_stdout: "false 1 1"
-}
-
-html_comment_in_less_than: {
-    input: {
-        (function(a, b, c) {
-            console.log(
-                a < !--b,
-                a < !--b + c,
-                a + b < !--c,
-                a, b, c
-            );
-        })(1, 2, 3);
-    }
-    expect_exact: "(function(a,b,c){console.log(a<! --b,a<! --b+c,a+b<! --c,a,b,c)})(1,2,3);"
-    expect_stdout: "false true false 1 0 2"
-}
-
-html_comment_in_left_shift: {
-    input: {
-        (function(a, b, c) {
-            console.log(
-                a << !--b,
-                a << !--b + c,
-                a + b << !--c,
-                a, b, c
-            );
-        })(1, 2, 3);
-    }
-    expect_exact: "(function(a,b,c){console.log(a<<! --b,a<<! --b+c,a+b<<! --c,a,b,c)})(1,2,3);"
-    expect_stdout: "1 16 1 1 0 2"
-}
-
-html_comment_in_greater_than: {
-    input: {
-        (function(a, b, c) {
-            console.log(
-                a-- > b,
-                a-- > b + c,
-                a + b-- > c,
-                a, b, c
-            );
-        })(1, 2, 3);
-    }
-    expect_exact: "(function(a,b,c){console.log(a-- >b,a-- >b+c,a+b-- >c,a,b,c)})(1,2,3);"
-    expect_stdout: "false false false -1 1 3"
-}
-
-html_comment_in_greater_than_or_equal: {
-    input: {
-        (function(a, b, c) {
-            console.log(
-                a-- >= b,
-                a-- >= b + c,
-                a + b-- >= c,
-                a, b, c
-            );
-        })(1, 2, 3);
-    }
-    expect_exact: "(function(a,b,c){console.log(a-- >=b,a-- >=b+c,a+b-- >=c,a,b,c)})(1,2,3);"
-    expect_stdout: "false false false -1 1 3"
-}
-
-html_comment_in_right_shift: {
-    input: {
-        (function(a, b, c) {
-            console.log(
-                a-- >> b,
-                a-- >> b + c,
-                a + b-- >> c,
-                a, b, c
-            );
-        })(1, 2, 3);
-    }
-    expect_exact: "(function(a,b,c){console.log(a-- >>b,a-- >>b+c,a+b-- >>c,a,b,c)})(1,2,3);"
-    expect_stdout: "0 0 0 -1 1 3"
-}
-
-html_comment_in_zero_fill_right_shift: {
-    input: {
-        (function(a, b, c) {
-            console.log(
-                a-- >>> b,
-                a-- >>> b + c,
-                a + b-- >>> c,
-                a, b, c
-            );
-        })(1, 2, 3);
-    }
-    expect_exact: "(function(a,b,c){console.log(a-- >>>b,a-- >>>b+c,a+b-- >>>c,a,b,c)})(1,2,3);"
-    expect_stdout: "0 0 0 -1 1 3"
-}
-
-html_comment_in_string_literal: {
-    input: {
-        console.log("<!--HTML-->comment in<!--string literal-->".length);
-    }
-    expect_exact: 'console.log("\\x3c!--HTML--\\x3ecomment in\\x3c!--string literal--\\x3e".length);'
-    expect_stdout: "42"
-}

test/compress/imports.js

@@ -1,229 +0,0 @@
-nought: {
-    input: {
-        import "foo";
-    }
-    expect_exact: 'import"foo";'
-}
-
-default_only: {
-    input: {
-        import foo from "bar";
-    }
-    expect_exact: 'import foo from"bar";'
-}
-
-all_only: {
-    input: {
-        import * as foo from "bar";
-    }
-    expect_exact: 'import*as foo from"bar";'
-}
-
-keys_only: {
-    input: {
-        import { as as foo, bar, delete as baz } from "moo";
-    }
-    expect_exact: 'import{as as foo,bar,delete as baz}from"moo";'
-}
-
-default_all: {
-    input: {
-        import foo, * as bar from "baz";
-    }
-    expect_exact: 'import foo,*as bar from"baz";'
-}
-
-default_keys: {
-    input: {
-        import foo, { bar } from "baz";
-    }
-    expect_exact: 'import foo,{bar}from"baz";'
-}
-
-dynamic: {
-    input: {
-        (async a => await import(a))("foo").then(bar);
-    }
-    expect_exact: '(async a=>await import(a))("foo").then(bar);'
-}
-
-dynamic_nought: {
-    input: {
-        import(foo);
-    }
-    expect_exact: "import(foo);"
-}
-
-import_meta_1: {
-    input: {
-        console.log(import.meta, import.meta.url);
-    }
-    expect_exact: "console.log(import.meta,import.meta.url);"
-}
-
-import_meta_2: {
-    input: {
-        import.meta.url.split("/").forEach(function(part, index) {
-            console.log(index, part);
-        });
-    }
-    expect_exact: 'import.meta.url.split("/").forEach(function(part,index){console.log(index,part)});'
-}
-
-same_quotes: {
-    beautify = {
-        beautify: true,
-        quote_style: 3,
-    }
-    input: {
-        import 'foo';
-        import "bar";
-    }
-    expect_exact: [
-        "import 'foo';",
-        "",
-        'import "bar";',
-    ]
-}
-
-drop_unused: {
-    options = {
-        imports: true,
-        toplevel: true,
-        unused: true,
-    }
-    input: {
-        import a, * as b from "foo";
-        import { c } from "bar";
-        import { d, _ as e } from "baz";
-        console.log(d);
-    }
-    expect: {
-        import "foo";
-        import "bar";
-        import { d as d } from "baz";
-        console.log(d);
-    }
-}
-
-drop_side_effect_free: {
-    options = {
-        imports: true,
-        side_effects: true,
-        toplevel: true,
-        unused: true,
-    }
-    input: {
-        import foo from "bar";
-        var a = foo;
-    }
-    expect: {
-        import "bar";
-    }
-}
-
-mangle: {
-    rename = false
-    mangle = {
-        toplevel: true,
-    }
-    input: {
-        import foo, { bar } from "baz";
-        consoe.log(moo);
-        import * as moo from "moz";
-    }
-    expect: {
-        import o, { bar as m } from "baz";
-        consoe.log(r);
-        import * as r from "moz";
-    }
-}
-
-rename_mangle: {
-    rename = true
-    mangle = {
-        toplevel: true,
-    }
-    input: {
-        import foo, { bar } from "baz";
-        consoe.log(moo);
-        import * as moo from "moz";
-    }
-    expect: {
-        import o, { bar as m } from "baz";
-        consoe.log(r);
-        import * as r from "moz";
-    }
-}
-
-keep_ref: {
-    options = {
-        reduce_vars: true,
-        toplevel: true,
-        unused: true,
-    }
-    input: {
-        import foo from "bar";
-        foo();
-    }
-    expect: {
-        import foo from "bar";
-        foo();
-    }
-}
-
-forbid_merge: {
-    options = {
-        merge_vars: true,
-        toplevel: true,
-    }
-    input: {
-        import A from "foo";
-        export default class extends A {}
-        var f = () => () => {};
-        f();
-        f();
-    }
-    expect: {
-        import A from "foo";
-        export default class extends A {}
-        var f = () => () => {};
-        f();
-        f();
-    }
-}
-
-issue_4708_1: {
-    options = {
-        imports: true,
-        toplevel: true,
-        unused: true,
-    }
-    input: {
-        var a;
-        import a from "foo";
-    }
-    expect: {
-        var a;
-        import a from "foo";
-    }
-}
-
-issue_4708_2: {
-    options = {
-        imports: true,
-        reduce_vars: true,
-        toplevel: true,
-        unused: true,
-    }
-    input: {
-        var a;
-        console.log(a);
-        import a from "foo";
-    }
-    expect: {
-        var a;
-        console.log(a);
-        import a from "foo";
-    }
-}

test/compress/indentation.js

@@ -1,100 +0,0 @@
-numeric: {
-    beautify = {
-        beautify: true,
-        indent_start: 1,
-        indent_level: 3,
-    }
-    input: {
-        switch (42) {
-          case null:
-            console.log("FAIL");
-        }
-        console.log("PASS");
-    }
-    expect_exact: [
-        " switch (42) {",
-        "  case null:",
-        '    console.log("FAIL");',
-        " }",
-        "",
-        ' console.log("PASS");',
-    ]
-    expect_stdout: "PASS"
-}
-
-spaces: {
-    beautify = {
-        beautify: true,
-        indent_start: " ",
-        indent_level: "   ",
-    }
-    input: {
-        switch (42) {
-          case null:
-            console.log("FAIL");
-        }
-        console.log("PASS");
-    }
-    expect_exact: [
-        " switch (42) {",
-        "  case null:",
-        '    console.log("FAIL");',
-        " }",
-        "",
-        ' console.log("PASS");',
-    ]
-    expect_stdout: "PASS"
-}
-
-tabs: {
-    beautify = {
-        beautify: true,
-        indent_start: "\t",
-        indent_level: "\t",
-    }
-    input: {
-        switch (42) {
-          case null:
-            console.log("FAIL");
-        }
-        console.log("PASS");
-    }
-    expect_exact: [
-        "\tswitch (42) {",
-        "\tcase null:",
-        '\t\tconsole.log("FAIL");',
-        "\t}",
-        "",
-        '\tconsole.log("PASS");',
-    ]
-    expect_stdout: "PASS"
-}
-
-mixed: {
-    beautify = {
-        beautify: true,
-        indent_start: "\n",
-        indent_level: "       \t",
-    }
-    input: {
-        switch (42) {
-          case null:
-            console.log("FAIL");
-        }
-        console.log("PASS");
-    }
-    expect_exact: [
-        "",
-        "switch (42) {",
-        "",
-        "    case null:",
-        "",
-        '       \tconsole.log("FAIL");',
-        "",
-        "}",
-        "",
-        "",
-        'console.log("PASS");',
-    ]
-    expect_stdout: "PASS"
-}

test/compress/issue-1034.js

@@ -1,298 +0,0 @@
-non_hoisted_function_after_return: {
-    options = {
-        booleans: true,
-        comparisons: true,
-        conditionals: true,
-        dead_code: true,
-        evaluate: true,
-        hoist_funs: false,
-        if_return: true,
-        join_vars: true,
-        keep_fargs: true,
-        loops: true,
-        side_effects: true,
-        unused: true,
-    }
-    input: {
-        function foo(x) {
-            if (x) {
-                return bar();
-                not_called1();
-            } else {
-                return baz();
-                not_called2();
-            }
-            function bar() { return 7; }
-            return not_reached;
-            function UnusedFunction() {}
-            function baz() { return 8; }
-        }
-    }
-    expect: {
-        function foo(x) {
-            return (x ? bar : baz)();
-            function bar() { return 7 }
-            function baz() { return 8 }
-        }
-    }
-    expect_warnings: [
-        "WARN: Dropping unreachable code [test/compress/issue-1034.js:4,16]",
-        "WARN: Dropping unreachable code [test/compress/issue-1034.js:7,16]",
-        "WARN: Dropping unreachable code [test/compress/issue-1034.js:10,12]",
-        "WARN: Dropping unused function UnusedFunction [test/compress/issue-1034.js:11,21]",
-    ]
-}
-
-non_hoisted_function_after_return_2a: {
-    options = {
-        booleans: true,
-        collapse_vars: false,
-        comparisons: true,
-        conditionals: true,
-        dead_code: true,
-        evaluate: true,
-        hoist_funs: false,
-        if_return: true,
-        join_vars: true,
-        keep_fargs: true,
-        loops: true,
-        passes: 2,
-        side_effects: true,
-        unused: true,
-    }
-    input: {
-        function foo(x) {
-            if (x) {
-                return bar(1);
-                var a = not_called(1);
-            } else {
-                return bar(2);
-                var b = not_called(2);
-            }
-            var c = bar(3);
-            function bar(x) { return 7 - x; }
-            function nope() {}
-            return b || c;
-        }
-    }
-    expect: {
-        function foo(x) {
-            return bar(x ? 1 : 2);
-            function bar(x) {
-                return 7 - x;
-            }
-        }
-    }
-    expect_warnings: [
-        "WARN: Dropping initialization in unreachable code [test/compress/issue-1034.js:4,16]",
-        "WARN: Dropping initialization in unreachable code [test/compress/issue-1034.js:7,16]",
-        "WARN: Dropping unused variable a [test/compress/issue-1034.js:4,20]",
-        "WARN: Dropping unused function nope [test/compress/issue-1034.js:11,21]",
-        "INFO: pass 0: last_count: Infinity, count: 35",
-        "WARN: Dropping initialization in unreachable code [test/compress/issue-1034.js:9,12]",
-        "WARN: Dropping unreachable code [test/compress/issue-1034.js:12,12]",
-        "INFO: Dropping unused variable b [test/compress/issue-1034.js:7,20]",
-        "INFO: Dropping unused variable c [test/compress/issue-1034.js:9,16]",
-        "INFO: pass 1: last_count: 35, count: 18",
-    ]
-}
-
-non_hoisted_function_after_return_2b: {
-    options = {
-        booleans: true,
-        collapse_vars: false,
-        comparisons: true,
-        conditionals: true,
-        dead_code: true,
-        evaluate: true,
-        hoist_funs: false,
-        if_return: true,
-        join_vars: true,
-        keep_fargs: true,
-        loops: true,
-        side_effects: true,
-        unused: true,
-    }
-    input: {
-        function foo(x) {
-            if (x) {
-                return bar(1);
-            } else {
-                return bar(2);
-                var b;
-            }
-            var c = bar(3);
-            function bar(x) {
-                return 7 - x;
-            }
-            return b || c;
-        }
-    }
-    expect: {
-        function foo(x) {
-            return bar(x ? 1 : 2);
-            function bar(x) { return 7 - x; }
-        }
-    }
-    expect_warnings: [
-        "WARN: Dropping initialization in unreachable code [test/compress/issue-1034.js:8,12]",
-        "WARN: Dropping unreachable code [test/compress/issue-1034.js:12,12]",
-    ]
-}
-
-non_hoisted_function_after_return_strict: {
-    options = {
-        booleans: true,
-        comparisons: true,
-        conditionals: true,
-        dead_code: true,
-        evaluate: true,
-        hoist_funs: false,
-        if_return: true,
-        join_vars: true,
-        keep_fargs: true,
-        loops: true,
-        side_effects: true,
-        unused: true,
-    }
-    input: {
-        "use strict";
-        function foo(x) {
-            if (x) {
-                return bar();
-                not_called1();
-            } else {
-                return baz();
-                not_called2();
-            }
-            function bar() { return 7; }
-            return not_reached;
-            function UnusedFunction() {}
-            function baz() { return 8; }
-        }
-        console.log(foo(0), foo(1));
-    }
-    expect: {
-        "use strict";
-        function foo(x) {
-            return (x ? bar : baz)();
-            function bar() { return 7 }
-            function baz() { return 8 }
-        }
-        console.log(foo(0), foo(1));
-    }
-    expect_stdout: "8 7"
-    expect_warnings: [
-        "WARN: Dropping unreachable code [test/compress/issue-1034.js:5,16]",
-        "WARN: Dropping unreachable code [test/compress/issue-1034.js:8,16]",
-        "WARN: Dropping unreachable code [test/compress/issue-1034.js:11,12]",
-        "WARN: Dropping unused function UnusedFunction [test/compress/issue-1034.js:12,21]",
-    ]
-}
-
-non_hoisted_function_after_return_2a_strict: {
-    options = {
-        booleans: true,
-        collapse_vars: false,
-        comparisons: true,
-        conditionals: true,
-        dead_code: true,
-        evaluate: true,
-        hoist_funs: false,
-        if_return: true,
-        join_vars: true,
-        keep_fargs: true,
-        loops: true,
-        passes: 2,
-        side_effects: true,
-        unused: true,
-    }
-    input: {
-        "use strict";
-        function foo(x) {
-            if (x) {
-                return bar(1);
-                var a = not_called(1);
-            } else {
-                return bar(2);
-                var b = not_called(2);
-            }
-            var c = bar(3);
-            function bar(x) { return 7 - x; }
-            function nope() {}
-            return b || c;
-        }
-        console.log(foo(0), foo(1));
-    }
-    expect: {
-        "use strict";
-        function foo(x) {
-            return bar(x ? 1 : 2);
-            function bar(x) {
-                return 7 - x;
-            }
-        }
-        console.log(foo(0), foo(1));
-    }
-    expect_stdout: "5 6"
-    expect_warnings: [
-        "WARN: Dropping initialization in unreachable code [test/compress/issue-1034.js:5,16]",
-        "WARN: Dropping initialization in unreachable code [test/compress/issue-1034.js:8,16]",
-        "WARN: Dropping unused variable a [test/compress/issue-1034.js:5,20]",
-        "WARN: Dropping unused function nope [test/compress/issue-1034.js:12,21]",
-        "INFO: pass 0: last_count: Infinity, count: 46",
-        "WARN: Dropping initialization in unreachable code [test/compress/issue-1034.js:10,12]",
-        "WARN: Dropping unreachable code [test/compress/issue-1034.js:13,12]",
-        "INFO: Dropping unused variable b [test/compress/issue-1034.js:8,20]",
-        "INFO: Dropping unused variable c [test/compress/issue-1034.js:10,16]",
-        "INFO: pass 1: last_count: 46, count: 29",
-    ]
-}
-
-non_hoisted_function_after_return_2b_strict: {
-    options = {
-        booleans: true,
-        collapse_vars: false,
-        comparisons: true,
-        conditionals: true,
-        dead_code: true,
-        evaluate: true,
-        hoist_funs: false,
-        if_return: true,
-        join_vars: true,
-        keep_fargs: true,
-        loops: true,
-        side_effects: true,
-        unused: true,
-    }
-    input: {
-        "use strict";
-        function foo(x) {
-            if (x) {
-                return bar(1);
-            } else {
-                return bar(2);
-                var b;
-            }
-            var c = bar(3);
-            function bar(x) {
-                return 7 - x;
-            }
-            return b || c;
-        }
-        console.log(foo(0), foo(1));
-    }
-    expect: {
-        "use strict";
-        function foo(x) {
-            return bar(x ? 1 : 2);
-            function bar(x) { return 7 - x; }
-        }
-        console.log(foo(0), foo(1));
-    }
-    expect_stdout: "5 6"
-    expect_warnings: [
-        "WARN: Dropping initialization in unreachable code [test/compress/issue-1034.js:9,12]",
-        "WARN: Dropping unreachable code [test/compress/issue-1034.js:13,12]",
-    ]
-}

test/compress/issue-1041.js

@@ -1,30 +0,0 @@
-const_pragma: {
-    options = {
-        evaluate: true,
-        reduce_funcs: true,
-        reduce_vars: true,
-    }
-
-    input: {
-        /** @const */ var goog = goog || {};
-    }
-    expect: {
-        var goog = goog || {};
-    }
-}
-
-// for completeness' sake
-not_const: {
-    options = {
-        evaluate: true,
-        reduce_funcs: true,
-        reduce_vars: true,
-    }
-
-    input: {
-        var goog = goog || {};
-    }
-    expect: {
-        var goog = goog || {};
-    }
-}

test/compress/issue-105.js

@@ -0,0 +1,25 @@
+typeof_eq_undefined: {
+    options = {
+        comparisons: true
+    };
+    input: { a = typeof b.c != "undefined" }
+    expect: { a = "undefined" != typeof b.c }
+}
+
+typeof_eq_undefined_unsafe: {
+    options = {
+        comparisons: true,
+        unsafe: true
+    };
+    input: { a = typeof b.c != "undefined" }
+    expect: { a = void 0 !== b.c }
+}
+
+typeof_eq_undefined_unsafe2: {
+    options = {
+        comparisons: true,
+        unsafe: true
+    };
+    input: { a = "undefined" != typeof b.c }
+    expect: { a = void 0 !== b.c }
+}

test/compress/issue-1052.js

@@ -1,169 +0,0 @@
-multiple_functions: {
-    options = {
-        hoist_funs: false,
-        if_return: true,
-    }
-    input: {
-        (function() {
-            if (!window)
-                return;
-            function f() {}
-            function g() {}
-        })();
-    }
-    expect: {
-        (function() {
-            // NOTE: other compression steps will reduce this
-            // down to just `window`.
-            if (!window);
-            function f() {}
-            function g() {}
-        })();
-    }
-}
-
-single_function: {
-    options = {
-        hoist_funs: false,
-        if_return: true,
-    }
-    input: {
-        (function() {
-            if (!window)
-                return;
-            function f() {}
-        })();
-    }
-    expect: {
-        (function() {
-            if (!window);
-            function f() {}
-        })();
-    }
-}
-
-deeply_nested: {
-    options = {
-        hoist_funs: false,
-        if_return: true,
-    }
-    input: {
-        (function() {
-            if (!window)
-                return;
-            function f() {}
-            function g() {}
-            if (!document)
-                return;
-            function h() {}
-        })();
-    }
-    expect: {
-        (function() {
-            // NOTE: other compression steps will reduce this
-            // down to just `window`.
-            if (!window);
-            else if (!document);
-            function f() {}
-            function g() {}
-            function h() {}
-        })();
-    }
-}
-
-not_hoisted_when_already_nested: {
-    options = {
-        hoist_funs: false,
-        if_return: true,
-    }
-    input: {
-        (function() {
-            if (!window)
-                return;
-            if (foo) function f() {}
-        })();
-    }
-    expect: {
-        (function() {
-            if (!window);
-            else if (foo)
-                function f() {}
-        })();
-    }
-}
-
-defun_if_return: {
-    options = {
-        hoist_funs: false,
-        if_return: true,
-    }
-    input: {
-        function e() {
-            function f() {}
-            if (!window)
-                return;
-            else
-                function g() {}
-            function h() {}
-        }
-    }
-    expect: {
-        function e() {
-            function f() {}
-            if (!window);
-            else
-                function g() {}
-            function h() {}
-        }
-    }
-}
-
-defun_hoist_funs: {
-    options = {
-        hoist_funs: true,
-        if_return: true,
-    }
-    input: {
-        function e() {
-            function f() {}
-            if (!window)
-                return;
-            else
-                function g() {}
-            function h() {}
-        }
-    }
-    expect: {
-        function e() {
-            function f() {}
-            function g() {}
-            function h() {}
-            if (!window);
-        }
-    }
-}
-
-defun_else_if_return: {
-    options = {
-        hoist_funs: false,
-        if_return: true,
-    }
-    input: {
-        function e() {
-            function f() {}
-            if (window)
-                function g() {}
-            else
-                return;
-            function h() {}
-        }
-    }
-    expect: {
-        function e() {
-            function f() {}
-            if (window)
-                function g() {}
-            function h() {}
-        }
-    }
-}

test/compress/issue-1105.js

@@ -1,309 +0,0 @@
-with_in_global_scope: {
-    options = {
-        unused: true,
-    }
-    input: {
-        var o = 42;
-        with(o) {
-            var foo = 'something'
-        }
-        doSomething(o);
-    }
-    expect: {
-        var o=42;
-        with(o)
-            var foo = "something";
-        doSomething(o);
-    }
-}
-with_in_function_scope: {
-    options = {
-        unused: true,
-    }
-    input: {
-        function foo() {
-            var o = 42;
-            with(o) {
-                var foo = "something"
-            }
-            doSomething(o);
-        }
-    }
-    expect: {
-        function foo() {
-            var o=42;
-            with(o)
-                var foo = "something";
-            doSomething(o)
-        }
-    }
-}
-compress_with_with_in_other_scope: {
-    options = {
-        unused: true,
-    }
-    input: {
-        function foo() {
-            var o = 42;
-            with(o) {
-                var foo = "something"
-            }
-            doSomething(o);
-        }
-        function bar() {
-            var unused = 42;
-            return something();
-        }
-    }
-    expect: {
-        function foo() {
-            var o = 42;
-            with(o)
-                var foo = "something";
-            doSomething(o)
-        }
-        function bar() {
-            return something()
-        }
-    }
-}
-with_using_existing_variable_outside_scope: {
-    options = {
-        unused: true,
-    }
-    input: {
-        function f() {
-            var o = {};
-            var unused = {}; // Doesn't get removed because upper scope uses with
-            function foo() {
-                with(o) {
-                    var foo = "something"
-                }
-                doSomething(o);
-            }
-            foo()
-        }
-    }
-    expect: {
-        function f() {
-            var o = {};
-            var unused = {};
-            function foo() {
-                with(o)
-                    var foo = "something";
-                doSomething(o)
-            }
-            foo()
-        }
-    }
-}
-check_drop_unused_in_peer_function: {
-    options = {
-        unused: true,
-    }
-    input: {
-        function outer() {
-            var o = {};
-            var unused = {};     // should be kept
-            function foo() {     // should be kept
-                function not_in_use() {
-                    var nested_unused = "foo"; // should be dropped
-                    return 24;
-                }
-                var unused = {}; // should be kept
-                with (o) {
-                    var foo = "something";
-                }
-                doSomething(o);
-            }
-            function bar() {
-                var unused = {}; // should be dropped
-                doSomethingElse();
-            }
-            foo();
-            bar();
-        }
-    }
-    expect: {
-        function outer() {
-            var o = {};
-            var unused = {};     // should be kept
-            function foo() {     // should be kept
-                function not_in_use() {
-                    return 24;
-                }
-                var unused = {}; // should be kept
-                with (o)
-                    var foo = "something";
-                doSomething(o);
-            }
-            function bar() {
-                doSomethingElse();
-            }
-            foo();
-            bar();
-        }
-    }
-}
-
-Infinity_not_in_with_scope: {
-    options = {
-        unused: true,
-    }
-    input: {
-        var o = { Infinity: "FAIL" };
-        var vInfinity = "Infinity";
-        vInfinity = Infinity;
-        console.log(vInfinity);
-    }
-    expect: {
-        var o = { Infinity: "FAIL" };
-        var vInfinity = "Infinity";
-        vInfinity = 1/0;
-        console.log(vInfinity);
-    }
-    expect_stdout: "Infinity"
-}
-
-Infinity_in_with_scope: {
-    options = {
-        unused: true,
-    }
-    input: {
-        var o = { Infinity: "PASS" };
-        var vInfinity = "Infinity";
-        with (o) { vInfinity = Infinity; }
-        console.log(vInfinity);
-    }
-    expect: {
-        var o = { Infinity: "PASS" };
-        var vInfinity = "Infinity";
-        with (o) vInfinity = Infinity;
-        console.log(vInfinity);
-    }
-    expect_stdout: "PASS"
-}
-
-assorted_Infinity_NaN_undefined_in_with_scope: {
-    options = {
-        booleans: true,
-        comparisons: true,
-        conditionals: true,
-        dead_code: true,
-        evaluate: true,
-        hoist_funs: true,
-        if_return: true,
-        join_vars: true,
-        keep_fargs: true,
-        keep_infinity: false,
-        sequences: false,
-        side_effects: true,
-        unused: true,
-    }
-    input: {
-        var f = console.log;
-        var o = {
-            undefined : 3,
-            NaN       : 4,
-            Infinity  : 5,
-        };
-        if (o) {
-            f(undefined, void 0);
-            f(NaN, 0/0);
-            f(Infinity, 1/0);
-            f(-Infinity, -(1/0));
-            f(2 + 7 + undefined, 2 + 7 + void 0);
-        }
-        with (o) {
-            f(undefined, void 0);
-            f(NaN, 0/0);
-            f(Infinity, 1/0);
-            f(-Infinity, -(1/0));
-            f(2 + 7 + undefined, 2 + 7 + void 0);
-        }
-    }
-    expect: {
-        var f = console.log, o = {
-            undefined : 3,
-            NaN       : 4,
-            Infinity  : 5
-        };
-        if (o) {
-            f(void 0, void 0);
-            f(NaN, NaN);
-            f(1/0, 1/0);
-            f(-1/0, -1/0);
-            f(NaN, NaN);
-        }
-        with (o) {
-            f(undefined, void 0);
-            f(NaN, 0/0);
-            f(Infinity, 1/0);
-            f(-Infinity, -1/0);
-            f(9 + undefined, 9 + void 0);
-        }
-    }
-    expect_stdout: true
-}
-
-assorted_Infinity_NaN_undefined_in_with_scope_keep_infinity: {
-    options = {
-        booleans: true,
-        comparisons: true,
-        conditionals: true,
-        dead_code: true,
-        evaluate: true,
-        hoist_funs: true,
-        if_return: true,
-        join_vars: true,
-        keep_fargs: true,
-        keep_infinity: true,
-        sequences: false,
-        side_effects: true,
-        unused: true,
-    }
-    input: {
-        var f = console.log;
-        var o = {
-            undefined : 3,
-            NaN       : 4,
-            Infinity  : 5,
-        };
-        if (o) {
-            f(undefined, void 0);
-            f(NaN, 0/0);
-            f(Infinity, 1/0);
-            f(-Infinity, -(1/0));
-            f(2 + 7 + undefined, 2 + 7 + void 0);
-        }
-        with (o) {
-            f(undefined, void 0);
-            f(NaN, 0/0);
-            f(Infinity, 1/0);
-            f(-Infinity, -(1/0));
-            f(2 + 7 + undefined, 2 + 7 + void 0);
-        }
-    }
-    expect: {
-        var f = console.log, o = {
-            undefined : 3,
-            NaN       : 4,
-            Infinity  : 5
-        };
-        if (o) {
-            f(void 0, void 0);
-            f(NaN, NaN);
-            f(Infinity, 1/0);
-            f(-Infinity, -1/0);
-            f(NaN, NaN);
-        }
-        with (o) {
-            f(undefined, void 0);
-            f(NaN, 0/0);
-            f(Infinity, 1/0);
-            f(-Infinity, -1/0);
-            f(9 + undefined, 9 + void 0);
-        }
-    }
-    expect_stdout: true
-}

test/compress/issue-12.js

@@ -1,78 +1,11 @@
 keep_name_of_getter: {
-    options = {
-        unused: true,
-    }
-    input: {
-        a = {
-            get foo() {},
-        };
-    }
-    expect: {
-        a = {
-            get foo() {},
-        };
-    }
+    options = { unused: true };
+    input: { a = { get foo () {} } }
+    expect: { a = { get foo () {} } }
 }
 
 keep_name_of_setter: {
-    options = {
-        unused: true,
-    }
-    input: {
-        a = {
-            set foo(v) {},
-        };
-    }
-    expect: {
-        a = {
-            set foo(v) {},
-        };
-    }
-}
-
-setter_with_operator_keys: {
-    input: {
-        var tokenCodes = {
-            get instanceof() {
-                return test0;
-            },
-            set instanceof(value) {
-                test0 = value;
-            },
-            set typeof(value) {
-                test1 = value;
-            },
-            get typeof() {
-                return test1;
-            },
-            set else(value) {
-                test2 = value;
-            },
-            get else() {
-                return test2;
-            },
-        };
-    }
-    expect: {
-        var tokenCodes = {
-            get instanceof() {
-                return test0;
-            },
-            set instanceof(value) {
-                test0 = value;
-            },
-            set typeof(value) {
-                test1 = value;
-            },
-            get typeof() {
-                return test1;
-            },
-            set else(value) {
-                test2 = value;
-            },
-            get else() {
-                return test2;
-            },
-        };
-    }
+    options = { unused: true };
+    input: { a = { set foo () {} } }
+    expect: { a = { set foo () {} } }
 }

test/compress/issue-1202.js

@@ -1,51 +0,0 @@
-mangle_keep_fnames_false: {
-    options = {
-        keep_fargs: true,
-        keep_fnames: true,
-    }
-    mangle = {
-        keep_fnames: false,
-    }
-    input: {
-        "use strict";
-        function total() {
-            return function n(a, b, c) {
-                return a + b + c;
-            };
-        }
-    }
-    expect: {
-        "use strict";
-        function total() {
-            return function t(n, r, u) {
-                return n + r + u;
-            };
-        }
-    }
-}
-
-mangle_keep_fnames_true: {
-    options = {
-        keep_fargs: true,
-        keep_fnames: true,
-    }
-    mangle = {
-        keep_fnames: true,
-    }
-    input: {
-        "use strict";
-        function total() {
-            return function n(a, b, c) {
-                return a + b + c;
-            };
-        }
-    }
-    expect: {
-        "use strict";
-        function total() {
-            return function n(t, r, u) {
-                return t + r + u;
-            };
-        }
-    }
-}

test/compress/issue-1261.js

@@ -1,186 +0,0 @@
-pure_function_calls: {
-    options = {
-        annotations: true,
-        booleans: true,
-        comparisons: true,
-        conditionals: true,
-        evaluate: true,
-        if_return: true,
-        join_vars: true,
-        negate_iife: true,
-        side_effects: true,
-        unused: true,
-    }
-    input: {
-        // pure top-level IIFE will be dropped
-        // @__PURE__ - comment
-        (function() {
-            console.log("iife0");
-        })();
-
-        // pure top-level IIFE assigned to unreferenced var will not be dropped
-        var iife1 = /*@__PURE__*/(function() {
-            console.log("iife1");
-            function iife1() {}
-            return iife1;
-        })();
-
-        (function(){
-            // pure IIFE in function scope assigned to unreferenced var will be dropped
-            var iife2 = /*#__PURE__*/(function() {
-                console.log("iife2");
-                function iife2() {}
-                return iife2;
-            })();
-        })();
-
-        // comment #__PURE__ comment
-        bar(), baz(), quux();
-        a.b(), /* @__PURE__ */ c.d.e(), f.g();
-    }
-    expect: {
-        var iife1 = function() {
-            console.log("iife1");
-            function iife1() {}
-            return iife1;
-        }();
-
-        baz(), quux();
-        a.b(), f.g();
-    }
-    expect_warnings: [
-        "WARN: Dropping __PURE__ call [test/compress/issue-1261.js:3,8]",
-        "WARN: Dropping side-effect-free statement [test/compress/issue-1261.js:3,8]",
-        "WARN: Dropping __PURE__ call [test/compress/issue-1261.js:16,37]",
-        "WARN: Dropping unused variable iife2 [test/compress/issue-1261.js:16,16]",
-        "WARN: Dropping side-effect-free statement [test/compress/issue-1261.js:14,8]",
-        "WARN: Dropping __PURE__ call [test/compress/issue-1261.js:24,8]",
-        "WARN: Dropping __PURE__ call [test/compress/issue-1261.js:25,31]",
-    ]
-}
-
-pure_function_calls_toplevel: {
-    options = {
-        annotations: true,
-        booleans: true,
-        comparisons: true,
-        conditionals: true,
-        evaluate: true,
-        if_return: true,
-        join_vars: true,
-        negate_iife: true,
-        side_effects: true,
-        toplevel: true,
-        unused: true,
-    }
-    input: {
-        // pure top-level IIFE will be dropped
-        // @__PURE__ - comment
-        (function() {
-            console.log("iife0");
-        })();
-
-        // pure top-level IIFE assigned to unreferenced var will be dropped
-        var iife1 = /*@__PURE__*/(function() {
-            console.log("iife1");
-            function iife1() {}
-            return iife1;
-        })();
-
-        (function(){
-            // pure IIFE in function scope assigned to unreferenced var will be dropped
-            var iife2 = /*#__PURE__*/(function() {
-                console.log("iife2");
-                function iife2() {}
-                return iife2;
-            })();
-        })();
-
-        // pure top-level calls will be dropped regardless of the leading comments position
-        var MyClass = /*#__PURE__*//*@class*/(function(){
-            function MyClass() {}
-            MyClass.prototype.method = function() {};
-            return MyClass;
-        })();
-
-        // comment #__PURE__ comment
-        bar(), baz(), quux();
-        a.b(), /* @__PURE__ */ c.d.e(), f.g();
-    }
-    expect: {
-        baz(), quux();
-        a.b(), f.g();
-    }
-    expect_warnings: [
-        "WARN: Dropping __PURE__ call [test/compress/issue-1261.js:3,8]",
-        "WARN: Dropping side-effect-free statement [test/compress/issue-1261.js:3,8]",
-        "WARN: Dropping __PURE__ call [test/compress/issue-1261.js:16,37]",
-        "WARN: Dropping unused variable iife2 [test/compress/issue-1261.js:16,16]",
-        "WARN: Dropping side-effect-free statement [test/compress/issue-1261.js:14,8]",
-        "WARN: Dropping __PURE__ call [test/compress/issue-1261.js:31,8]",
-        "WARN: Dropping __PURE__ call [test/compress/issue-1261.js:32,31]",
-        "WARN: Dropping __PURE__ call [test/compress/issue-1261.js:8,33]",
-        "WARN: Dropping unused variable iife1 [test/compress/issue-1261.js:8,12]",
-        "WARN: Dropping __PURE__ call [test/compress/issue-1261.js:24,45]",
-        "WARN: Dropping unused variable MyClass [test/compress/issue-1261.js:24,12]",
-    ]
-}
-
-should_warn: {
-    options = {
-        annotations: true,
-        booleans: true,
-        conditionals: true,
-        evaluate: true,
-        side_effects: true,
-    }
-    input: {
-        /* @__PURE__ */(function(){x})(), void/* @__PURE__ */(function(){y})();
-        /* @__PURE__ */(function(){x})() || true ? foo() : bar();
-        true || /* @__PURE__ */(function(){y})() ? foo() : bar();
-        /* @__PURE__ */(function(){x})() && false ? foo() : bar();
-        false && /* @__PURE__ */(function(){y})() ? foo() : bar();
-        /* @__PURE__ */(function(){x})() + "foo" ? bar() : baz();
-        "foo" + /* @__PURE__ */(function(){y})() ? bar() : baz();
-        /* @__PURE__ */(function(){x})() ? foo() : foo();
-        [/* @__PURE__ */(function(){x})()] ? foo() : bar();
-        !{ foo: /* @__PURE__ */(function(){x})() } ? bar() : baz();
-    }
-    expect: {
-        foo();
-        foo();
-        bar();
-        bar();
-        bar();
-        bar();
-        foo();
-        foo();
-        baz();
-    }
-    expect_warnings: [
-        "WARN: Dropping __PURE__ call [test/compress/issue-1261.js:1,61]",
-        "WARN: Dropping __PURE__ call [test/compress/issue-1261.js:1,23]",
-        "WARN: Dropping side-effect-free statement [test/compress/issue-1261.js:1,23]",
-        "WARN: Boolean || always true [test/compress/issue-1261.js:2,23]",
-        "WARN: Dropping __PURE__ call [test/compress/issue-1261.js:2,23]",
-        "WARN: Condition always true [test/compress/issue-1261.js:2,23]",
-        "WARN: Condition left of || always true [test/compress/issue-1261.js:3,8]",
-        "WARN: Condition always true [test/compress/issue-1261.js:3,8]",
-        "WARN: Boolean && always false [test/compress/issue-1261.js:4,23]",
-        "WARN: Dropping __PURE__ call [test/compress/issue-1261.js:4,23]",
-        "WARN: Condition always false [test/compress/issue-1261.js:4,23]",
-        "WARN: Condition left of && always false [test/compress/issue-1261.js:5,8]",
-        "WARN: Condition always false [test/compress/issue-1261.js:5,8]",
-        "WARN: + in boolean context always true [test/compress/issue-1261.js:6,23]",
-        "WARN: Dropping __PURE__ call [test/compress/issue-1261.js:6,23]",
-        "WARN: Condition always true [test/compress/issue-1261.js:6,23]",
-        "WARN: + in boolean context always true [test/compress/issue-1261.js:7,8]",
-        "WARN: Dropping __PURE__ call [test/compress/issue-1261.js:7,31]",
-        "WARN: Condition always true [test/compress/issue-1261.js:7,8]",
-        "WARN: Dropping __PURE__ call [test/compress/issue-1261.js:8,23]",
-        "WARN: Condition always true [test/compress/issue-1261.js:9,8]",
-        "WARN: Dropping __PURE__ call [test/compress/issue-1261.js:9,24]",
-        "WARN: Dropping __PURE__ call [test/compress/issue-1261.js:10,31]",
-        "WARN: Condition always false [test/compress/issue-1261.js:10,8]",
-    ]
-}

test/compress/issue-1275.js

@@ -1,49 +0,0 @@
-string_plus_optimization: {
-    options = {
-        booleans: true,
-        comparisons: true,
-        conditionals: true,
-        dead_code: true,
-        evaluate: true,
-        hoist_funs: true,
-        if_return: true,
-        join_vars: true,
-        side_effects: true,
-        unused: true,
-    }
-    input: {
-        function foo(anything) {
-            function throwing_function() {
-                throw "nope";
-            }
-            try {
-                console.log('0' + throwing_function() ? "yes" : "no");
-            } catch (ex) {
-                console.log(ex);
-            }
-            console.log('0' + anything ? "yes" : "no");
-            console.log(anything + '0' ? "Yes" : "No");
-            console.log('' + anything);
-            console.log(anything + '');
-        }
-        foo();
-    }
-    expect: {
-        function foo(anything) {
-            function throwing_function() {
-                throw "nope";
-            }
-            try {
-                console.log((throwing_function(), "yes"));
-            } catch (ex) {
-                console.log(ex);
-            }
-            console.log("yes");
-            console.log("Yes");
-            console.log('' + anything);
-            console.log(anything + '');
-        }
-        foo();
-    }
-    expect_stdout: true
-}

test/compress/issue-1321.js

@@ -1,63 +0,0 @@
-issue_1321_no_debug: {
-    mangle = {
-        properties: {
-            keep_quoted: true,
-        },
-    }
-    input: {
-        var x = {};
-        x.foo = 1;
-        x["a"] = 2 * x.foo;
-        console.log(x.foo, x["a"]);
-    }
-    expect: {
-        var x = {};
-        x.x = 1;
-        x["a"] = 2 * x.x;
-        console.log(x.x, x["a"]);
-    }
-    expect_stdout: true
-}
-
-issue_1321_debug: {
-    mangle = {
-        properties: {
-            debug: "",
-            keep_quoted: true,
-        },
-    }
-    input: {
-        var x = {};
-        x.foo = 1;
-        x["_$foo$_"] = 2 * x.foo;
-        console.log(x.foo, x["_$foo$_"]);
-    }
-    expect: {
-        var x = {};
-        x.x = 1;
-        x["_$foo$_"] = 2 * x.x;
-        console.log(x.x, x["_$foo$_"]);
-    }
-    expect_stdout: true
-}
-
-issue_1321_with_quoted: {
-    mangle = {
-        properties: {
-            keep_quoted: false,
-        },
-    }
-    input: {
-        var x = {};
-        x.foo = 1;
-        x["a"] = 2 * x.foo;
-        console.log(x.foo, x["a"]);
-    }
-    expect: {
-        var x = {};
-        x.x = 1;
-        x["o"] = 2 * x.x;
-        console.log(x.x, x["o"]);
-    }
-    expect_stdout: true
-}

test/compress/issue-143.js

@@ -15,7 +15,7 @@
 tranformation_sort_order_equal: {
     options = {
         comparisons: true,
-    }
+    };
 
     input: { (a = parseInt('100')) == a }
     expect: { (a = parseInt('100')) == a }
@@ -24,7 +24,7 @@ tranformation_sort_order_equal: {
 tranformation_sort_order_unequal: {
     options = {
         comparisons: true,
-    }
+    };
 
     input: { (a = parseInt('100')) != a }
     expect: { (a = parseInt('100')) != a }
@@ -33,7 +33,7 @@ tranformation_sort_order_unequal: {
 tranformation_sort_order_lesser_or_equal: {
     options = {
         comparisons: true,
-    }
+    };
 
     input: { (a = parseInt('100')) <= a }
     expect: { (a = parseInt('100')) <= a }
@@ -41,7 +41,7 @@ tranformation_sort_order_lesser_or_equal: {
 tranformation_sort_order_greater_or_equal: {
     options = {
         comparisons: true,
-    }
+    };
 
     input: { (a = parseInt('100')) >= a }
     expect: { (a = parseInt('100')) >= a }

test/compress/issue-1431.js

@@ -1,151 +0,0 @@
-level_zero: {
-    options = {
-        keep_fnames: true,
-    }
-    mangle = {
-        keep_fnames: true
-    }
-    input: {
-        function f(x) {
-            function n(a) {
-                return a * a;
-            }
-            return function() {
-                return x;
-            };
-        }
-    }
-    expect: {
-        function f(r) {
-            function n(n) {
-                return n * n;
-            }
-            return function() {
-                return r;
-            };
-        }
-    }
-}
-
-level_one: {
-    options = {
-        keep_fnames: true,
-    }
-    mangle = {
-        keep_fnames: true
-    }
-    input: {
-        function f(x) {
-            return function() {
-                function n(a) {
-                    return a * a;
-                }
-                return x(n);
-            };
-        }
-    }
-    expect: {
-        function f(r) {
-            return function() {
-                function n(n) {
-                    return n * n;
-                }
-                return r(n);
-            };
-        }
-    }
-}
-
-level_two: {
-    options = {
-        keep_fnames: true,
-    }
-    mangle = {
-        keep_fnames: true
-    }
-    input: {
-        function f(x) {
-            return function() {
-                function r(a) {
-                    return a * a;
-                }
-                return function() {
-                    function n(a) {
-                        return a * a;
-                    }
-                    return x(n);
-                };
-            };
-        }
-    }
-    expect: {
-        function f(t) {
-            return function() {
-                function r(n) {
-                    return n * n;
-                }
-                return function() {
-                    function n(n) {
-                        return n * n;
-                    }
-                    return t(n);
-                };
-            };
-        }
-    }
-}
-
-level_three: {
-    options = {
-        keep_fnames: true,
-    }
-    mangle = {
-        keep_fnames: true
-    }
-    input: {
-        function f(x) {
-            return function() {
-                function r(a) {
-                    return a * a;
-                }
-                return [
-                    function() {
-                        function t(a) {
-                            return a * a;
-                        }
-                        return t;
-                    },
-                    function() {
-                        function n(a) {
-                            return a * a;
-                        }
-                        return x(n);
-                    }
-                ];
-            };
-        }
-    }
-    expect: {
-        function f(t) {
-            return function() {
-                function r(n) {
-                    return n * n;
-                }
-                return [
-                    function() {
-                        function t(n) {
-                            return n * n;
-                        }
-                        return t;
-                    },
-                    function() {
-                        function n(n) {
-                            return n * n;
-                        }
-                        return t(n);
-                    }
-                ];
-            };
-        }
-    }
-}

test/compress/issue-1443.js

@@ -1,61 +0,0 @@
-// tests assume that variable `undefined` not redefined and has `void 0` as value
-
-unsafe_undefined: {
-    options = {
-        conditionals: true,
-        if_return: true,
-        unsafe_undefined: true,
-    }
-    mangle = {}
-    input: {
-        function f(undefined) {
-            return function() {
-                if (a)
-                    return b;
-                if (c)
-                    return d;
-            };
-        }
-    }
-    expect: {
-        function f(n) {
-            return function() {
-                return a ? b : c ? d : n;
-            };
-        }
-    }
-}
-
-keep_fnames: {
-    options = {
-        conditionals: true,
-        if_return: true,
-        unsafe_undefined: true,
-    }
-    mangle = {
-        keep_fnames: true
-    }
-    input: {
-        function f(undefined) {
-            return function() {
-                function n(a) {
-                    return a * a;
-                }
-                if (a)
-                    return b;
-                if (c)
-                    return d;
-            };
-        }
-    }
-    expect: {
-        function f(r) {
-            return function() {
-                function n(n) {
-                    return n * n;
-                }
-                return a ? b : c ? d : r;
-            };
-        }
-    }
-}

test/compress/issue-1446.js

@@ -1,75 +0,0 @@
-typeof_eq_undefined: {
-    options = {
-        comparisons: true,
-        typeofs: true,
-    }
-    input: {
-        var a = typeof b != "undefined";
-        b = typeof a != "undefined";
-        var c = typeof d.e !== "undefined";
-        var f = "undefined" === typeof g;
-        g = "undefined" === typeof f;
-        var h = "undefined" == typeof i.j;
-    }
-    expect: {
-        var a = "undefined" != typeof b;
-        b = void 0 !== a;
-        var c = void 0 !== d.e;
-        var f = "undefined" == typeof g;
-        g = void 0 === f;
-        var h = void 0 === i.j;
-    }
-}
-
-typeof_eq_undefined_ie8: {
-    options = {
-        comparisons: true,
-        ie: true,
-        typeofs: true,
-    }
-    input: {
-        var a = typeof b != "undefined";
-        b = typeof a != "undefined";
-        var c = typeof d.e !== "undefined";
-        var f = "undefined" === typeof g;
-        g = "undefined" === typeof f;
-        var h = "undefined" == typeof i.j;
-    }
-    expect: {
-        var a = "undefined" != typeof b;
-        b = void 0 !== a;
-        var c = "undefined" != typeof d.e;
-        var f = "undefined" == typeof g;
-        g = void 0 === f;
-        var h = "undefined" == typeof i.j;
-    }
-}
-
-undefined_redefined: {
-    options = {
-        comparisons: true,
-        typeofs: true,
-    }
-    input: {
-        function f(undefined) {
-            var n = 1;
-            return typeof n == "undefined";
-        }
-    }
-    expect_exact: "function f(undefined){var n=1;return void 0===n}"
-}
-
-undefined_redefined_mangle: {
-    options = {
-        comparisons: true,
-        typeofs: true,
-    }
-    mangle = {}
-    input: {
-        function f(undefined) {
-            var n = 1;
-            return typeof n == "undefined";
-        }
-    }
-    expect_exact: "function f(n){var r=1;return void 0===r}"
-}

test/compress/issue-1447.js

@@ -1,48 +0,0 @@
-else_with_empty_block: {
-    options = {}
-    input: {
-        if (x)
-            yes();
-        else {
-        }
-    }
-    expect_exact: "if(x)yes();"
-}
-
-else_with_empty_statement: {
-    options = {}
-    input: {
-        if (x)
-            yes();
-        else
-            ;
-    }
-    expect_exact: "if(x)yes();"
-}
-
-conditional_false_stray_else_in_loop: {
-    options = {
-        booleans: true,
-        comparisons: true,
-        conditionals: false,
-        dead_code: true,
-        evaluate: true,
-        hoist_vars: true,
-        if_return: true,
-        join_vars: true,
-        loops: true,
-        side_effects: true,
-        unused: true,
-    }
-    input: {
-        for (var i = 1; i <= 4; ++i) {
-            if (i <= 2) continue;
-            console.log(i);
-        }
-    }
-    expect_exact: "for(var i=1;i<=4;++i)if(i<=2);else console.log(i);"
-    expect_stdout: [
-        "3",
-        "4",
-    ]
-}

test/compress/issue-1569.js

@@ -1,19 +0,0 @@
-inner_reference: {
-    options = {
-        side_effects: true,
-    }
-    input: {
-        !function f(a) {
-            return a && f(a - 1) + a;
-        }(42);
-        !function g(a) {
-            return a;
-        }(42);
-    }
-    expect: {
-        !function f(a) {
-            return a && f(a - 1) + a;
-        }(42);
-        !void 0;
-    }
-}

test/compress/issue-1588.js

@@ -1,87 +0,0 @@
-screw_ie8: {
-    options = {
-        ie: false,
-    }
-    mangle = {
-        ie: false,
-    }
-    input: {
-        try { throw "foo"; } catch (x) { console.log(x); }
-    }
-    expect_exact: 'try{throw"foo"}catch(o){console.log(o)}'
-    expect_stdout: [
-        "foo"
-    ]
-}
-
-support_ie8: {
-    options = {
-        ie: true,
-    }
-    mangle = {
-        ie: true,
-    }
-    input: {
-        try { throw "foo"; } catch (x) { console.log(x); }
-    }
-    expect_exact: 'try{throw"foo"}catch(x){console.log(x)}'
-    expect_stdout: "foo"
-}
-
-safe_undefined: {
-    options = {
-        conditionals: true,
-        if_return: true,
-        unsafe: false,
-    }
-    mangle = {}
-    input: {
-        var a, c;
-        console.log(function(undefined) {
-            return function() {
-                if (a)
-                    return b;
-                if (c)
-                    return d;
-            };
-        }(1)());
-    }
-    expect: {
-        var a, c;
-        console.log(function(n) {
-            return function() {
-                return a ? b : c ? d : void 0;
-            };
-        }(1)());
-    }
-    expect_stdout: true
-}
-
-unsafe_undefined: {
-    options = {
-        conditionals: true,
-        if_return: true,
-        unsafe_undefined: true,
-    }
-    mangle = {}
-    input: {
-        var a, c;
-        console.log(function(undefined) {
-            return function() {
-                if (a)
-                    return b;
-                if (c)
-                    return d;
-            };
-        }()());
-    }
-    expect: {
-        var a, c;
-        console.log(function(n) {
-            return function() {
-                return a ? b : c ? d : n;
-            };
-        }()());
-    }
-    expect_stdout: true
-}

test/compress/issue-1609.js

@@ -1,81 +0,0 @@
-chained_evaluation_1: {
-    options = {
-        collapse_vars: true,
-        evaluate: true,
-        reduce_funcs: true,
-        reduce_vars: true,
-        unused: true,
-    }
-    input: {
-        (function() {
-            var a = 1;
-            (function() {
-                var b = a, c;
-                c = f(b);
-                c.bar = b;
-            })();
-        })();
-    }
-    expect: {
-        (function() {
-            (function() {
-                f(1).bar = 1;
-            })();
-        })();
-    }
-}
-
-chained_evaluation_2: {
-    options = {
-        collapse_vars: true,
-        evaluate: true,
-        reduce_funcs: true,
-        reduce_vars: true,
-        unused: true,
-    }
-    input: {
-        (function() {
-            var a = "long piece of string";
-            (function() {
-                var b = a, c;
-                c = f(b);
-                c.bar = b;
-            })();
-        })();
-    }
-    expect: {
-        (function() {
-            (function() {
-                var b = "long piece of string";
-                f(b).bar = b;
-            })();
-        })();
-    }
-}
-
-chained_evaluation_3: {
-    options = {
-        collapse_vars: true,
-        evaluate: 10,
-        reduce_funcs: true,
-        reduce_vars: true,
-        unused: true,
-    }
-    input: {
-        (function() {
-            var a = "long piece of string";
-            (function() {
-                var b = a, c;
-                c = f(b);
-                c.bar = b;
-            })();
-        })();
-    }
-    expect: {
-        (function() {
-            (function() {
-                f("long piece of string").bar = "long piece of string";
-            })();
-        })();
-    }
-}

test/compress/issue-1639.js

@@ -1,84 +0,0 @@
-issue_1639_1: {
-    options = {
-        booleans: true,
-        collapse_vars: true,
-        conditionals: true,
-        evaluate: true,
-        join_vars: true,
-        loops: true,
-        sequences: true,
-        side_effects: true,
-    }
-    input: {
-        var a = 100, b = 10;
-        var L1 = 5;
-        while (--L1 > 0) {
-            if ((--b), false) {
-                if (b) {
-                    var ignore = 0;
-                }
-            }
-        }
-        console.log(a, b);
-    }
-    expect: {
-        for (var a = 100, b = 10, L1 = 5, ignore; --L1 > 0;) {
-            --b;
-        }
-        console.log(a, b);
-    }
-    expect_stdout: "100 6"
-}
-
-issue_1639_2: {
-    options = {
-        booleans: true,
-        collapse_vars: true,
-        conditionals: true,
-        evaluate: true,
-        join_vars: true,
-        sequences: true,
-        side_effects: true,
-    }
-    input: {
-        var a = 100, b = 10;
-        function f19() {
-            if (++a, false)
-                if (a)
-                    if (++a);
-        }
-        f19();
-        console.log(a, b);
-    }
-    expect: {
-        var a = 100, b = 10;
-        function f19() {
-            ++a, 1;
-        }
-        f19(),
-        console.log(a, b);
-    }
-    expect_stdout: "101 10"
-}
-
-issue_1639_3: {
-    options = {
-        booleans: true,
-        collapse_vars: true,
-        conditionals: true,
-        evaluate: true,
-        sequences: true,
-        side_effects: true,
-    }
-    input: {
-        var a = 100, b = 10;
-        a++ && false && a ? 0 : 0;
-        console.log(a, b);
-    }
-    expect: {
-        var a = 100, b = 10;
-        a++,
-        console.log(a, b);
-    }
-    expect_stdout: "101 10"
-}

test/compress/issue-1656.js

@@ -1,41 +0,0 @@
-f7: {
-    options = {
-        booleans: true,
-        collapse_vars: true,
-        comparisons: true,
-        conditionals: true,
-        dead_code: true,
-        drop_debugger: true,
-        evaluate: true,
-        hoist_funs: true,
-        if_return: true,
-        join_vars: true,
-        loops: true,
-        negate_iife: true,
-        passes: 3,
-        properties: true,
-        reduce_funcs: true,
-        reduce_vars: true,
-        sequences: true,
-        side_effects: true,
-        toplevel: true,
-        unused: true,
-    }
-    beautify = {
-        beautify: true,
-    }
-    input: {
-        var a = 100, b = 10;
-        function f22464() {
-            var brake146670 = 5;
-            while (((b = a) ? !a : ~a ? null : b += a) && --brake146670 > 0) {
-            }
-        }
-        f22464();
-        console.log(a, b);
-    }
-    expect_exact: [
-        "console.log(100, 100);",
-    ]
-    expect_stdout: "100 100"
-}

test/compress/issue-1673.js

@@ -1,166 +0,0 @@
-side_effects_catch: {
-    options = {
-        reduce_funcs: true,
-        reduce_vars: true,
-        side_effects: true,
-        unused: true,
-    }
-    input: {
-        function f() {
-            function g() {
-                try {
-                    throw 0;
-                } catch (e) {
-                    console.log("PASS");
-                }
-            }
-            g();
-        }
-        f();
-    }
-    expect: {
-        function f() {
-            (function() {
-                try {
-                    throw 0;
-                } catch (e) {
-                    console.log("PASS");
-                }
-            })();
-        }
-        f();
-    }
-    expect_stdout: "PASS"
-}
-
-side_effects_else: {
-    options = {
-        reduce_funcs: true,
-        reduce_vars: true,
-        side_effects: true,
-        unused: true,
-    }
-    input: {
-        function f(x) {
-            function g() {
-                if (x);
-                else console.log("PASS");
-            }
-            g();
-        }
-        f(0);
-    }
-    expect: {
-        function f(x) {
-            (function() {
-                if (x);
-                else console.log("PASS");
-            })();
-        }
-        f(0);
-    }
-    expect_stdout: "PASS"
-}
-
-side_effects_finally: {
-    options = {
-        reduce_funcs: true,
-        reduce_vars: true,
-        side_effects: true,
-        unused: true,
-    }
-    input: {
-        function f() {
-            function g() {
-                try {
-                    x();
-                } catch (e) {
-                } finally {
-                    console.log("PASS");
-                }
-            }
-            g();
-        }
-        f();
-    }
-    expect: {
-        function f() {
-            (function() {
-                try {
-                    x();
-                } catch (e) {
-                } finally {
-                    console.log("PASS");
-                }
-            })();
-        }
-        f();
-    }
-    expect_stdout: "PASS"
-}
-
-side_effects_label: {
-    options = {
-        reduce_funcs: true,
-        reduce_vars: true,
-        side_effects: true,
-        unused: true,
-    }
-    input: {
-        function f(x) {
-            function g() {
-                L: {
-                    console.log("PASS");
-                    break L;
-                }
-            }
-            g();
-        }
-        f(0);
-    }
-    expect: {
-        function f(x) {
-            (function() {
-                L: {
-                    console.log("PASS");
-                    break L;
-                }
-            })();
-        }
-        f(0);
-    }
-    expect_stdout: "PASS"
-}
-
-side_effects_switch: {
-    options = {
-        reduce_funcs: true,
-        reduce_vars: true,
-        side_effects: true,
-        unused: true,
-    }
-    input: {
-        function f() {
-            function g() {
-                switch (0) {
-                  default:
-                  case console.log("PASS"):
-                }
-            }
-            g();
-        }
-        f();
-    }
-    expect: {
-        function f() {
-            (function() {
-                switch (0) {
-                  default:
-                  case console.log("PASS"):
-                }
-            })();
-        }
-        f();
-    }
-    expect_stdout: "PASS"
-}

test/compress/issue-1704.js

@@ -1,447 +0,0 @@
-mangle_catch: {
-    options = {
-        ie: false,
-        toplevel: false,
-    }
-    mangle = {
-        ie: false,
-        toplevel: false,
-    }
-    input: {
-        var a = "FAIL";
-        try {
-            throw 1;
-        } catch (args) {
-            a = "PASS";
-        }
-        console.log(a);
-    }
-    expect_exact: 'var a="FAIL";try{throw 1}catch(o){a="PASS"}console.log(a);'
-    expect_stdout: "PASS"
-}
-
-mangle_catch_ie8: {
-    options = {
-        ie: true,
-        toplevel: false,
-    }
-    mangle = {
-        ie: true,
-        toplevel: false,
-    }
-    input: {
-        var a = "FAIL";
-        try {
-            throw 1;
-        } catch (args) {
-            a = "PASS";
-        }
-        console.log(a);
-    }
-    expect_exact: 'var a="FAIL";try{throw 1}catch(args){a="PASS"}console.log(a);'
-    expect_stdout: "PASS"
-}
-
-mangle_catch_var: {
-    options = {
-        ie: false,
-        toplevel: false,
-    }
-    mangle = {
-        ie: false,
-        toplevel: false,
-    }
-    input: {
-        var a = "FAIL";
-        try {
-            throw 1;
-        } catch (args) {
-            var a = "PASS";
-        }
-        console.log(a);
-    }
-    expect_exact: 'var a="FAIL";try{throw 1}catch(o){var a="PASS"}console.log(a);'
-    expect_stdout: "PASS"
-}
-
-mangle_catch_var_ie8: {
-    options = {
-        ie: true,
-        toplevel: false,
-    }
-    mangle = {
-        ie: true,
-        toplevel: false,
-    }
-    input: {
-        var a = "FAIL";
-        try {
-            throw 1;
-        } catch (args) {
-            var a = "PASS";
-        }
-        console.log(a);
-    }
-    expect_exact: 'var a="FAIL";try{throw 1}catch(args){var a="PASS"}console.log(a);'
-    expect_stdout: "PASS"
-}
-
-mangle_catch_toplevel: {
-    options = {
-        ie: false,
-        toplevel: true,
-    }
-    mangle = {
-        ie: false,
-        toplevel: true,
-    }
-    input: {
-        var a = "FAIL";
-        try {
-            throw 1;
-        } catch (args) {
-            a = "PASS";
-        }
-        console.log(a);
-    }
-    expect_exact: 'var c="FAIL";try{throw 1}catch(o){c="PASS"}console.log(c);'
-    expect_stdout: "PASS"
-}
-
-mangle_catch_ie8_toplevel: {
-    options = {
-        ie: true,
-        toplevel: true,
-    }
-    mangle = {
-        ie: true,
-        toplevel: true,
-    }
-    input: {
-        var a = "FAIL";
-        try {
-            throw 1;
-        } catch (args) {
-            a = "PASS";
-        }
-        console.log(a);
-    }
-    expect_exact: 'var o="FAIL";try{throw 1}catch(c){o="PASS"}console.log(o);'
-    expect_stdout: "PASS"
-}
-
-mangle_catch_var_toplevel: {
-    options = {
-        ie: false,
-        toplevel: true,
-    }
-    mangle = {
-        ie: false,
-        toplevel: true,
-    }
-    input: {
-        var a = "FAIL";
-        try {
-            throw 1;
-        } catch (args) {
-            var a = "PASS";
-        }
-        console.log(a);
-    }
-    expect_exact: 'var r="FAIL";try{throw 1}catch(o){var r="PASS"}console.log(r);'
-    expect_stdout: "PASS"
-}
-
-mangle_catch_var_ie8_toplevel: {
-    options = {
-        ie: true,
-        toplevel: true,
-    }
-    mangle = {
-        ie: true,
-        toplevel: true,
-    }
-    input: {
-        var a = "FAIL";
-        try {
-            throw 1;
-        } catch (args) {
-            var a = "PASS";
-        }
-        console.log(a);
-    }
-    expect_exact: 'var o="FAIL";try{throw 1}catch(r){var o="PASS"}console.log(o);'
-    expect_stdout: "PASS"
-}
-
-mangle_catch_redef_1: {
-    options = {
-        ie: false,
-        toplevel: false,
-    }
-    mangle = {
-        ie: false,
-        toplevel: false,
-    }
-    input: {
-        var a = "PASS";
-        try {
-            throw "FAIL1";
-        } catch (a) {
-            var a = "FAIL2";
-        }
-        console.log(a);
-    }
-    expect_exact: 'var a="PASS";try{throw"FAIL1"}catch(a){var a="FAIL2"}console.log(a);'
-    expect_stdout: "PASS"
-}
-
-mangle_catch_redef_1_ie8: {
-    options = {
-        ie: true,
-        toplevel: false,
-    }
-    mangle = {
-        ie: true,
-        toplevel: false,
-    }
-    input: {
-        var a = "PASS";
-        try {
-            throw "FAIL1";
-        } catch (a) {
-            var a = "FAIL2";
-        }
-        console.log(a);
-    }
-    expect_exact: 'var a="PASS";try{throw"FAIL1"}catch(a){var a="FAIL2"}console.log(a);'
-    expect_stdout: "PASS"
-}
-
-mangle_catch_redef_1_toplevel: {
-    options = {
-        ie: false,
-        toplevel: true,
-    }
-    mangle = {
-        ie: false,
-        toplevel: true,
-    }
-    input: {
-        var a = "PASS";
-        try {
-            throw "FAIL1";
-        } catch (a) {
-            var a = "FAIL2";
-        }
-        console.log(a);
-    }
-    expect_exact: 'var o="PASS";try{throw"FAIL1"}catch(o){var o="FAIL2"}console.log(o);'
-    expect_stdout: "PASS"
-}
-
-mangle_catch_redef_1_ie8_toplevel: {
-    options = {
-        ie: true,
-        toplevel: true,
-    }
-    mangle = {
-        ie: true,
-        toplevel: true,
-    }
-    input: {
-        var a = "PASS";
-        try {
-            throw "FAIL1";
-        } catch (a) {
-            var a = "FAIL2";
-        }
-        console.log(a);
-    }
-    expect_exact: 'var o="PASS";try{throw"FAIL1"}catch(o){var o="FAIL2"}console.log(o);'
-    expect_stdout: "PASS"
-}
-
-mangle_catch_redef_2: {
-    options = {
-        ie: false,
-        toplevel: false,
-    }
-    mangle = {
-        ie: false,
-        toplevel: false,
-    }
-    input: {
-        try {
-            throw "FAIL1";
-        } catch (a) {
-            var a = "FAIL2";
-        }
-        console.log(a);
-    }
-    expect_exact: 'try{throw"FAIL1"}catch(a){var a="FAIL2"}console.log(a);'
-    expect_stdout: "undefined"
-}
-
-mangle_catch_redef_2_ie8: {
-    options = {
-        ie: true,
-        toplevel: false,
-    }
-    mangle = {
-        ie: true,
-        toplevel: false,
-    }
-    input: {
-        try {
-            throw "FAIL1";
-        } catch (a) {
-            var a = "FAIL2";
-        }
-        console.log(a);
-    }
-    expect_exact: 'try{throw"FAIL1"}catch(a){var a="FAIL2"}console.log(a);'
-    expect_stdout: "undefined"
-}
-
-mangle_catch_redef_2_toplevel: {
-    options = {
-        ie: false,
-        toplevel: true,
-    }
-    mangle = {
-        ie: false,
-        toplevel: true,
-    }
-    input: {
-        try {
-            throw "FAIL1";
-        } catch (a) {
-            var a = "FAIL2";
-        }
-        console.log(a);
-    }
-    expect_exact: 'try{throw"FAIL1"}catch(o){var o="FAIL2"}console.log(o);'
-    expect_stdout: "undefined"
-}
-
-mangle_catch_redef_2_ie8_toplevel: {
-    options = {
-        ie: true,
-        toplevel: true,
-    }
-    mangle = {
-        ie: true,
-        toplevel: true,
-    }
-    input: {
-        try {
-            throw "FAIL1";
-        } catch (a) {
-            var a = "FAIL2";
-        }
-        console.log(a);
-    }
-    expect_exact: 'try{throw"FAIL1"}catch(o){var o="FAIL2"}console.log(o);'
-    expect_stdout: "undefined"
-}
-
-mangle_catch_redef_3: {
-    mangle = {
-        ie: false,
-        toplevel: false,
-    }
-    input: {
-        var o = "PASS";
-        try {
-            throw 0;
-        } catch (o) {
-            // prints "FAIL" if inlined on Node.js v4-
-            (function() {
-                function f() {
-                    o = "FAIL";
-                }
-                f(), f();
-            })();
-        }
-        console.log(o);
-    }
-    expect_exact: 'var o="PASS";try{throw 0}catch(o){(function(){function c(){o="FAIL"}c(),c()})()}console.log(o);'
-    expect_stdout: "PASS"
-    node_version: ">=6"
-}
-
-mangle_catch_redef_3_toplevel: {
-    mangle = {
-        ie: false,
-        toplevel: true,
-    }
-    input: {
-        var o = "PASS";
-        try {
-            throw 0;
-        } catch (o) {
-            // prints "FAIL" if inlined on Node.js v4-
-            (function() {
-                function f() {
-                    o = "FAIL";
-                }
-                f(), f();
-            })();
-        }
-        console.log(o);
-    }
-    expect_exact: 'var c="PASS";try{throw 0}catch(c){(function(){function o(){c="FAIL"}o(),o()})()}console.log(c);'
-    expect_stdout: "PASS"
-    node_version: ">=6"
-}
-
-mangle_catch_redef_3_ie8: {
-    mangle = {
-        ie: true,
-        toplevel: false,
-    }
-    input: {
-        var o = "PASS";
-        try {
-            throw 0;
-        } catch (o) {
-            // prints "FAIL" if inlined on Node.js v4-
-            (function() {
-                function f() {
-                    o = "FAIL";
-                }
-                f(), f();
-            })();
-        }
-        console.log(o);
-    }
-    expect_exact: 'var o="PASS";try{throw 0}catch(o){(function(){function c(){o="FAIL"}c(),c()})()}console.log(o);'
-    expect_stdout: "PASS"
-    node_version: ">=6"
-}
-
-mangle_catch_redef_3_ie8_toplevel: {
-    mangle = {
-        ie: true,
-        toplevel: true,
-    }
-    input: {
-        var o = "PASS";
-        try {
-            throw 0;
-        } catch (o) {
-            // prints "FAIL" if inlined on Node.js v4-
-            (function() {
-                function f() {
-                    o = "FAIL";
-                }
-                f(), f();
-            })();
-        }
-        console.log(o);
-    }
-    expect_exact: 'var c="PASS";try{throw 0}catch(c){(function(){function o(){c="FAIL"}o(),o()})()}console.log(c);'
-    expect_stdout: "PASS"
-    node_version: ">=6"
-}

test/compress/issue-1733.js

@@ -1,97 +0,0 @@
-function_iife_catch: {
-    mangle = {
-        ie: false,
-    }
-    input: {
-        function f(n) {
-            !function() {
-                try {
-                    throw 0;
-                } catch (n) {
-                    var a = 1;
-                    console.log(n, a);
-                }
-            }();
-        }
-        f();
-    }
-    expect_exact: "function f(o){!function(){try{throw 0}catch(o){var c=1;console.log(o,c)}}()}f();"
-    expect_stdout: "0 1"
-}
-
-function_iife_catch_ie8: {
-    mangle = {
-        ie: true,
-    }
-    input: {
-        function f(n) {
-            !function() {
-                try {
-                    throw 0;
-                } catch (n) {
-                    var a = 1;
-                    console.log(n, a);
-                }
-            }();
-        }
-        f();
-    }
-    expect_exact: "function f(c){!function(){try{throw 0}catch(c){var o=1;console.log(c,o)}}()}f();"
-    expect_stdout: "0 1"
-}
-
-function_catch_catch: {
-    mangle = {
-        ie: false,
-    }
-    input: {
-        var o = 0;
-        function f() {
-            try {
-                throw 1;
-            } catch (c) {
-                try {
-                    throw 2;
-                } catch (o) {
-                    var o = 3;
-                    console.log(o);
-                }
-            }
-            console.log(o);
-        }
-        f();
-    }
-    expect_exact: "var o=0;function f(){try{throw 1}catch(o){try{throw 2}catch(c){var c=3;console.log(c)}}console.log(c)}f();"
-    expect_stdout: [
-        "3",
-        "undefined",
-    ]
-}
-
-function_catch_catch_ie8: {
-    mangle = {
-        ie: true,
-    }
-    input: {
-        var o = 0;
-        function f() {
-            try {
-                throw 1;
-            } catch (c) {
-                try {
-                    throw 2;
-                } catch (o) {
-                    var o = 3;
-                    console.log(o);
-                }
-            }
-            console.log(o);
-        }
-        f();
-    }
-    expect_exact: "var o=0;function f(){try{throw 1}catch(c){try{throw 2}catch(o){var o=3;console.log(o)}}console.log(o)}f();"
-    expect_stdout: [
-        "3",
-        "undefined",
-    ]
-}

test/compress/issue-1750.js

@@ -1,54 +0,0 @@
-case_1: {
-    options = {
-        dead_code: true,
-        evaluate: true,
-        switches: true,
-    }
-    input: {
-        var a = 0, b = 1;
-        switch (true) {
-          case a || true:
-          default:
-            b = 2;
-          case true:
-        }
-        console.log(a, b);
-    }
-    expect: {
-        var a = 0, b = 1;
-        switch (true) {
-          case a || true:
-            b = 2;
-        }
-        console.log(a, b);
-    }
-    expect_stdout: "0 2"
-}
-
-case_2: {
-    options = {
-        dead_code: true,
-        evaluate: true,
-        switches: true,
-    }
-    input: {
-        var a = 0, b = 1;
-        switch (0) {
-          default:
-            b = 2;
-          case a:
-            a = 3;
-          case 0:
-        }
-        console.log(a, b);
-    }
-    expect: {
-        var a = 0, b = 1;
-        switch (0) {
-          case a:
-            a = 3;
-        }
-        console.log(a, b);
-    }
-    expect_stdout: "3 1"
-}

test/compress/issue-1770.js

@@ -1,245 +0,0 @@
-mangle_props: {
-    mangle = {
-        properties: true,
-    }
-    input: {
-        var obj = {
-            undefined: 1,
-            NaN: 2,
-            Infinity: 3,
-            "-Infinity": 4,
-            null: 5,
-        };
-        console.log(
-            obj[void 0],
-            obj[undefined],
-            obj["undefined"],
-            obj[0/0],
-            obj[NaN],
-            obj["NaN"],
-            obj[1/0],
-            obj[Infinity],
-            obj["Infinity"],
-            obj[-1/0],
-            obj[-Infinity],
-            obj["-Infinity"],
-            obj[null],
-            obj["null"]
-        );
-    }
-    expect: {
-        var obj = {
-            undefined: 1,
-            NaN: 2,
-            Infinity: 3,
-            "-Infinity": 4,
-            null: 5,
-        };
-        console.log(
-            obj[void 0],
-            obj[void 0],
-            obj["undefined"],
-            obj[0/0],
-            obj[NaN],
-            obj["NaN"],
-            obj[1/0],
-            obj[1/0],
-            obj["Infinity"],
-            obj[-1/0],
-            obj[-(1/0)],
-            obj["-Infinity"],
-            obj[null],
-            obj["null"]
-        );
-    }
-    expect_stdout: "1 1 1 2 2 2 3 3 3 4 4 4 5 5"
-}
-
-numeric_literal: {
-    mangle = {
-        properties: true,
-    }
-    beautify = {
-        beautify: true,
-    }
-    input: {
-        var obj = {
-            0: 0,
-            "-0": 1,
-            42: 2,
-            "42": 3,
-            0x25: 4,
-            "0x25": 5,
-            1E42: 6,
-            "1E42": 7,
-            "1e+42": 8,
-        };
-        console.log(obj[-0], obj[-""], obj["-0"]);
-        console.log(obj[42], obj["42"]);
-        console.log(obj[0x25], obj["0x25"], obj[37], obj["37"]);
-        console.log(obj[1E42], obj["1E42"], obj["1e+42"]);
-    }
-    expect_exact: [
-        'var obj = {',
-        '    0: 0,',
-        '    "-0": 1,',
-        '    42: 2,',
-        '    42: 3,',
-        '    37: 4,',
-        '    o: 5,',
-        '    1e42: 6,',
-        '    b: 7,',
-        '    1e42: 8',
-        '};',
-        '',
-        'console.log(obj[-0], obj[-""], obj["-0"]);',
-        '',
-        'console.log(obj[42], obj["42"]);',
-        '',
-        'console.log(obj[37], obj["o"], obj[37], obj["37"]);',
-        '',
-        'console.log(obj[1e42], obj["b"], obj["1e+42"]);',
-    ]
-    expect_stdout: [
-        "0 0 1",
-        "3 3",
-        "4 5 4 4",
-        "8 7 8",
-    ]
-}
-
-identifier: {
-    mangle = {
-        properties: true,
-    }
-    input: {
-        var obj = {
-            abstract: 1,
-            boolean: 2,
-            byte: 3,
-            char: 4,
-            class: 5,
-            double: 6,
-            enum: 7,
-            export: 8,
-            extends: 9,
-            final: 10,
-            float: 11,
-            goto: 12,
-            implements: 13,
-            import: 14,
-            int: 15,
-            interface: 16,
-            let: 17,
-            long: 18,
-            native: 19,
-            package: 20,
-            private: 21,
-            protected: 22,
-            public: 23,
-            short: 24,
-            static: 25,
-            super: 26,
-            synchronized: 27,
-            this: 28,
-            throws: 29,
-            transient: 30,
-            volatile: 31,
-            yield: 32,
-            false: 33,
-            null: 34,
-            true: 35,
-            break: 36,
-            case: 37,
-            catch: 38,
-            const: 39,
-            continue: 40,
-            debugger: 41,
-            default: 42,
-            delete: 43,
-            do: 44,
-            else: 45,
-            finally: 46,
-            for: 47,
-            function: 48,
-            if: 49,
-            in: 50,
-            instanceof: 51,
-            new: 52,
-            return: 53,
-            switch: 54,
-            throw: 55,
-            try: 56,
-            typeof: 57,
-            var: 58,
-            void: 59,
-            while: 60,
-            with: 61,
-        };
-    }
-    expect: {
-        var obj = {
-            e: 1,
-            t: 2,
-            n: 3,
-            a: 4,
-            i: 5,
-            o: 6,
-            r: 7,
-            l: 8,
-            s: 9,
-            c: 10,
-            f: 11,
-            u: 12,
-            d: 13,
-            h: 14,
-            p: 15,
-            b: 16,
-            v: 17,
-            w: 18,
-            y: 19,
-            g: 20,
-            m: 21,
-            k: 22,
-            x: 23,
-            j: 24,
-            z: 25,
-            q: 26,
-            A: 27,
-            B: 28,
-            C: 29,
-            D: 30,
-            F: 31,
-            G: 32,
-            false: 33,
-            null: 34,
-            true: 35,
-            H: 36,
-            I: 37,
-            J: 38,
-            K: 39,
-            L: 40,
-            M: 41,
-            N: 42,
-            O: 43,
-            P: 44,
-            Q: 45,
-            R: 46,
-            S: 47,
-            T: 48,
-            U: 49,
-            V: 50,
-            W: 51,
-            X: 52,
-            Y: 53,
-            Z: 54,
-            $: 55,
-            _: 56,
-            ee: 57,
-            te: 58,
-            ne: 59,
-            ae: 60,
-            ie: 61,
-        };
-    }
-}

test/compress/issue-1787.js

@@ -1,17 +0,0 @@
-unary_prefix: {
-    options = {
-        evaluate: true,
-        inline: true,
-        reduce_funcs: true,
-        reduce_vars: true,
-        unused: true,
-    }
-    input: {
-        console.log(function() {
-            var x = -(2 / 3);
-            return x;
-        }());
-    }
-    expect_exact: "console.log(-2/3);"
-    expect_stdout: true
-}

test/compress/issue-1833.js

@@ -1,138 +0,0 @@
-iife_for: {
-    options = {
-        negate_iife: true,
-        reduce_funcs: true,
-        reduce_vars: true,
-        toplevel: true,
-        unused: true,
-    }
-    input: {
-        function f() {
-            function g() {
-                L: for (;;) break L;
-            }
-            g();
-        }
-        f();
-    }
-    expect: {
-        !function() {
-            !function() {
-                L: for (;;) break L;
-            }();
-        }();
-    }
-}
-
-iife_for_in: {
-    options = {
-        negate_iife: true,
-        reduce_funcs: true,
-        reduce_vars: true,
-        toplevel: true,
-        unused: true,
-    }
-    input: {
-        function f() {
-            function g() {
-                L: for (var a in x) break L;
-            }
-            g();
-        }
-        f();
-    }
-    expect: {
-        !function() {
-            !function() {
-                L: for (var a in x) break L;
-            }();
-        }();
-    }
-}
-
-iife_do: {
-    options = {
-        negate_iife: true,
-        reduce_funcs: true,
-        reduce_vars: true,
-        toplevel: true,
-        unused: true,
-    }
-    input: {
-        function f() {
-            function g() {
-                L: do {
-                    break L;
-                } while (1);
-            }
-            g();
-        }
-        f();
-    }
-    expect: {
-        !function() {
-            !function() {
-                L: do {
-                    break L;
-                } while (1);
-            }();
-        }();
-    }
-}
-
-iife_while: {
-    options = {
-        negate_iife: true,
-        reduce_funcs: true,
-        reduce_vars: true,
-        toplevel: true,
-        unused: true,
-    }
-    input: {
-        function f() {
-            function g() {
-                L: while (1) break L;
-            }
-            g();
-        }
-        f();
-    }
-    expect: {
-        !function() {
-            !function() {
-                L: while (1) break L;
-            }();
-        }();
-    }
-}
-
-label_do: {
-    options = {
-        evaluate: true,
-        loops: true,
-    }
-    input: {
-        L: do {
-            continue L;
-        } while (0);
-    }
-    expect: {
-        L: do {
-            continue L;
-        } while (0);
-    }
-}
-
-label_while: {
-    options = {
-        dead_code: true,
-        evaluate: true,
-        loops: true,
-    }
-    input: {
-        function f() {
-            L: while (0) continue L;
-        }
-    }
-    expect_exact: "function f(){L:0}"
-}

test/compress/issue-1943.js

@@ -1,31 +0,0 @@
-operator: {
-    input: {
-        a. //comment
-        typeof
-    }
-    expect_exact: "a.typeof;"
-}
-
-name: {
-    input: {
-        a. //comment
-        b
-    }
-    expect_exact: "a.b;"
-}
-
-keyword: {
-    input: {
-        a. //comment
-        default
-    }
-    expect_exact: "a.default;"
-}
-
-atom: {
-    input: {
-        a. //comment
-        true
-    }
-    expect_exact: "a.true;"
-}

test/compress/issue-208.js

@@ -1,74 +0,0 @@
-do_not_update_lhs: {
-    options = {
-        global_defs: {
-            DEBUG: 0,
-        },
-    }
-    input: {
-        DEBUG++;
-        DEBUG += 1;
-        DEBUG = 1;
-    }
-    expect: {
-        DEBUG++;
-        DEBUG += 1;
-        DEBUG = 1;
-    }
-}
-
-do_update_rhs: {
-    options = {
-        global_defs: {
-            DEBUG: 0,
-        },
-    }
-    input: {
-        MY_DEBUG = DEBUG;
-        MY_DEBUG += DEBUG;
-    }
-    expect: {
-        MY_DEBUG = 0;
-        MY_DEBUG += 0;
-    }
-}
-
-mixed: {
-    options = {
-        evaluate: true,
-        global_defs: {
-            DEBUG: 0,
-            ENV: 1,
-            FOO: 2,
-        },
-    }
-    input: {
-        var ENV = 3;
-        var FOO = 4;
-        f(ENV * 10);
-        --FOO;
-        DEBUG = 1;
-        DEBUG++;
-        DEBUG += 1;
-        f(DEBUG);
-        x = DEBUG;
-    }
-    expect: {
-        var ENV = 3;
-        var FOO = 4;
-        f(10);
-        --FOO;
-        DEBUG = 1;
-        DEBUG++;
-        DEBUG += 1;
-        f(0);
-        x = 0;
-    }
-    expect_warnings: [
-        "WARN: global_defs ENV redefined [test/compress/issue-208.js:1,12]",
-        "WARN: global_defs FOO redefined [test/compress/issue-208.js:2,12]",
-        "WARN: global_defs FOO redefined [test/compress/issue-208.js:4,10]",
-        "WARN: global_defs DEBUG redefined [test/compress/issue-208.js:5,8]",
-        "WARN: global_defs DEBUG redefined [test/compress/issue-208.js:6,8]",
-        "WARN: global_defs DEBUG redefined [test/compress/issue-208.js:7,8]",
-    ]
-}

test/compress/issue-22.js

@@ -1,7 +1,5 @@
 return_with_no_value_in_if_body: {
-    options = {
-        conditionals: true,
-    }
+    options = { conditionals: true };
     input: {
         function foo(bar) {
             if (bar) {

test/compress/issue-2652.js

@@ -1,33 +0,0 @@
-insert_semicolon: {
-    beautify = {
-        beautify: true,
-        comments: "all",
-    }
-    input: {
-        var a
-        /* foo */ var b
-    }
-    expect_exact: [
-        "var a",
-        "/* foo */;",
-        "",
-        "var b;",
-    ]
-}
-
-unary_postfix: {
-    beautify = {
-        beautify: true,
-        comments: "all",
-    }
-    input: {
-        a
-        /* foo */++b
-    }
-    expect_exact: [
-        "a",
-        "/* foo */;",
-        "",
-        "++b;",
-    ]
-}

test/compress/issue-267.js

@@ -1,7 +1,5 @@
 issue_267: {
-    options = {
-        comparisons: true,
-    }
+    options = { comparisons: true };
     input: {
         x = a % b / b * c * 2;
         x = a % b * 2

test/compress/issue-269.js

@@ -1,111 +1,66 @@
 issue_269_1: {
-    options = {
-        unsafe: true,
-    }
-    input: {
-        var x = {};
-        console.log(
-            String(x),
-            Number(x),
-            Boolean(x),
+	options = {unsafe: true};
+	input: {
+		f(
+			String(x),
+			Number(x),
+			Boolean(x),
 
-            String(),
-            Number(),
-            Boolean()
-        );
-    }
-    expect: {
-        var x = {};
-        console.log(
-            "" + x, +("" + x), !!x,
-            "", 0, false
-        );
-    }
-    expect_stdout: true
+			String(),
+			Number(),
+			Boolean()
+		);
+	}
+	expect: {
+		f(
+			x + '', +x, !!x,
+			'', 0, false
+		);
+	}
 }
 
 issue_269_dangers: {
-    options = {
-        unsafe: true,
-    }
-    input: {
-        var x = {};
-        console.log(
-            String(x, x),
-            Number(x, x),
-            Boolean(x, x)
-        );
-    }
-    expect: {
-        var x = {};
-        console.log(String(x, x), Number(x, x), Boolean(x, x));
-    }
-    expect_stdout: true
+	options = {unsafe: true};
+	input: {
+		f(
+			String(x, x),
+			Number(x, x),
+			Boolean(x, x)
+		);
+	}
+	expect: {
+		f(String(x, x), Number(x, x), Boolean(x, x));
+	}
 }
 
 issue_269_in_scope: {
-    options = {
-        unsafe: true,
-    }
-    input: {
-        var String, Number, Boolean;
-        var x = {};
-        console.log(
-            String(x),
-            Number(x, x),
-            Boolean(x)
-        );
-    }
-    expect: {
-        var String, Number, Boolean;
-        var x = {};
-        console.log(String(x), Number(x, x), Boolean(x));
-    }
-    expect_stdout: true
+	options = {unsafe: true};
+	input: {
+		var String, Number, Boolean;
+		f(
+			String(x),
+			Number(x, x),
+			Boolean(x)
+		);
+	}
+	expect: {
+		var String, Number, Boolean;
+		f(String(x), Number(x, x), Boolean(x));
+	}
 }
 
 strings_concat: {
-    options = {
-        strings: true,
-        unsafe: true,
-    }
-    input: {
-        var x = {};
-        console.log(
-            String(x + "str"),
-            String("str" + x)
-        );
-    }
-    expect: {
-        var x = {};
-        console.log(
-            x + "str",
-            "str" + x
-        );
-    }
-    expect_stdout: true
-}
-
-regexp: {
-    options = {
-        evaluate: true,
-        unsafe: true,
-    }
-    input: {
-        RegExp("foo");
-        RegExp("bar", "ig");
-        RegExp(foo);
-        RegExp("bar", ig);
-        RegExp("should", "fail");
-    }
-    expect: {
-        /foo/;
-        /bar/ig;
-        RegExp(foo);
-        RegExp("bar", ig);
-        RegExp("should", "fail");
-    }
-    expect_warnings: [
-        'WARN: Error converting RegExp("should","fail") [test/compress/issue-269.js:5,8]',
-    ]
+	options = {unsafe: true};
+	input: {
+		f(
+			String(x + 'str'),
+			String('str' + x)
+		);
+	}
+	expect: {
+		f(
+			x + 'str',
+			'str' + x
+		);
+	}
 }

test/compress/issue-2719.js

@@ -1,32 +0,0 @@
-warn: {
-    options = {
-        evaluate: true,
-        inline: true,
-        passes: 2,
-        properties: true,
-        reduce_funcs: true,
-        reduce_vars: true,
-        toplevel: true,
-        unused: true,
-    }
-    input: {
-        function f() {
-            return g();
-        }
-        function g() {
-            return g["call" + "er"].arguments;
-        }
-        // 3
-        console.log(f(1, 2, 3).length);
-    }
-    expect: {
-        // TypeError: Cannot read property 'arguments' of null
-        console.log(function g() {
-            return g.caller.arguments;
-        }().length);
-    }
-    expect_warnings: [
-        "WARN: Function.prototype.arguments not supported [test/compress/issue-2719.js:5,19]",
-        "WARN: Function.prototype.caller not supported [test/compress/issue-2719.js:5,19]",
-    ]
-}

test/compress/issue-281.js

@@ -1,508 +0,0 @@
-collapse_vars_constants: {
-    options = {
-        collapse_vars: true,
-        evaluate: true,
-        inline: true,
-        reduce_funcs: true,
-        reduce_vars: true,
-        unused: true,
-    }
-    input: {
-        function f1(x) {
-            var a = 4, b = x.prop, c = 5, d = sideeffect1(), e = sideeffect2();
-            return b + (function() { return d - a * e - c; })();
-        }
-        function f2(x) {
-            var a = 4, b = x.prop, c = 5, not_used = sideeffect1(), e = sideeffect2();
-            return b + (function() { return -a * e - c; })();
-        }
-    }
-    expect: {
-        function f1(x) {
-            var b = x.prop, d = sideeffect1(), e = sideeffect2();
-            return b + (d - 4 * e - 5);
-        }
-        function f2(x) {
-            var b = x.prop;
-            sideeffect1();
-            return b + (-4 * sideeffect2() - 5);
-        }
-    }
-}
-
-modified: {
-    options = {
-        collapse_vars: true,
-        inline: true,
-        unused: true,
-    }
-    input: {
-        function f5(b) {
-            var a = function() {
-                return b;
-            }();
-            return b++ + a;
-        }
-        console.log(f5(1));
-    }
-    expect: {
-        function f5(b) {
-            var a = b;
-            return b++ + a;
-        }
-        console.log(f5(1));
-    }
-    expect_stdout: "2"
-}
-
-ref_scope: {
-    options = {
-        collapse_vars: true,
-        inline: true,
-        unused: true,
-    }
-    input: {
-        console.log(function() {
-            var a = 1, b = 2, c = 3;
-            var a = c++, b = b /= a;
-            return function() {
-                return a;
-            }() + b;
-        }());
-    }
-    expect: {
-        console.log(function() {
-            var a = 1, b = 2, c = 3;
-            b = b /= a = c++;
-            return a + b;
-        }());
-    }
-    expect_stdout: true
-}
-
-safe_undefined: {
-    options = {
-        conditionals: true,
-        if_return: true,
-        inline: true,
-        unsafe: false,
-        unused: true,
-    }
-    mangle = {}
-    input: {
-        var a, c;
-        console.log(function(undefined) {
-            return function() {
-                if (a)
-                    return b;
-                if (c)
-                    return d;
-            };
-        }(1)());
-    }
-    expect: {
-        var a, c;
-        console.log(a ? b : c ? d : void 0);
-    }
-    expect_stdout: true
-}
-
-negate_iife_3: {
-    options = {
-        conditionals: true,
-        expression: true,
-        inline: true,
-        negate_iife: true,
-    }
-    input: {
-        (function(){ return t })() ? console.log(true) : console.log(false);
-    }
-    expect: {
-        t ? console.log(true) : console.log(false);
-    }
-}
-
-negate_iife_3_off: {
-    options = {
-        conditionals: true,
-        expression: true,
-        inline: true,
-        negate_iife: false,
-    }
-    input: {
-        (function(){ return t })() ? console.log(true) : console.log(false);
-    }
-    expect: {
-        t ? console.log(true) : console.log(false);
-    }
-}
-
-negate_iife_4: {
-    options = {
-        conditionals: true,
-        expression: true,
-        inline: true,
-        negate_iife: true,
-        sequences: true,
-    }
-    input: {
-        (function(){ return t })() ? console.log(true) : console.log(false);
-        (function(){
-            console.log("something");
-        })();
-    }
-    expect: {
-        t ? console.log(true) : console.log(false), void console.log("something");
-    }
-}
-
-negate_iife_5: {
-    options = {
-        conditionals: true,
-        expression: true,
-        inline: true,
-        negate_iife: true,
-        sequences: true,
-    }
-    input: {
-        if ((function(){ return t })()) {
-            foo(true);
-        } else {
-            bar(false);
-        }
-        (function(){
-            console.log("something");
-        })();
-    }
-    expect: {
-        t ? foo(true) : bar(false), void console.log("something");
-    }
-}
-
-negate_iife_5_off: {
-    options = {
-        conditionals: true,
-        expression: true,
-        inline: true,
-        negate_iife: false,
-        sequences: true,
-    }
-    input: {
-        if ((function(){ return t })()) {
-            foo(true);
-        } else {
-            bar(false);
-        }
-        (function(){
-            console.log("something");
-        })();
-    }
-    expect: {
-        t ? foo(true) : bar(false), void console.log("something");
-    }
-}
-
-issue_1254_negate_iife_true: {
-    options = {
-        expression: true,
-        inline: true,
-        negate_iife: true,
-    }
-    input: {
-        (function() {
-            return function() {
-                console.log('test')
-            };
-        })()();
-    }
-    expect_exact: 'void console.log("test");'
-    expect_stdout: true
-}
-
-issue_1254_negate_iife_nested: {
-    options = {
-        expression: true,
-        inline: true,
-        negate_iife: true,
-    }
-    input: {
-        (function() {
-            return function() {
-                console.log('test')
-            };
-        })()()()()();
-    }
-    expect_exact: '(void console.log("test"))()()();'
-}
-
-negate_iife_issue_1073: {
-    options = {
-        conditionals: true,
-        evaluate: true,
-        inline: true,
-        negate_iife: true,
-        reduce_funcs: true,
-        reduce_vars: true,
-        sequences: true,
-        unused: true,
-    }
-    input: {
-        new (function(a) {
-            return function Foo() {
-                this.x = a;
-                console.log(this);
-            };
-        }(7))();
-    }
-    expect: {
-        new function() {
-            this.x = 7,
-            console.log(this);
-        }();
-    }
-    expect_stdout: true
-}
-
-issue_1288_side_effects: {
-    options = {
-        conditionals: true,
-        evaluate: true,
-        inline: true,
-        negate_iife: true,
-        reduce_funcs: true,
-        reduce_vars: true,
-        side_effects: true,
-        unused: true,
-    }
-    input: {
-        if (w) ;
-        else {
-            (function f() {})();
-        }
-        if (!x) {
-            (function() {
-                x = {};
-            })();
-        }
-        if (y)
-            (function() {})();
-        else
-            (function(z) {
-                return z;
-            })(0);
-    }
-    expect: {
-        w;
-        x || (x = {});
-        y;
-    }
-}
-
-inner_var_for_in_1: {
-    options = {
-        evaluate: true,
-        inline: true,
-        reduce_funcs: true,
-        reduce_vars: true,
-    }
-    input: {
-        function f() {
-            var a = 1, b = 2;
-            for (b in (function() {
-                return x(a, b, c);
-            })()) {
-                var c = 3, d = 4;
-                x(a, b, c, d);
-            }
-            x(a, b, c, d);
-        }
-    }
-    expect: {
-        function f() {
-            var a = 1, b = 2;
-            for (b in x(1, b, c)) {
-                var c = 3, d = 4;
-                x(1, b, c, d);
-            }
-            x(1, b, c, d);
-        }
-    }
-}
-
-issue_1595_3: {
-    options = {
-        evaluate: true,
-        inline: true,
-        passes: 2,
-        reduce_funcs: true,
-        reduce_vars: true,
-        unused: true,
-    }
-    input: {
-        (function f(a) {
-            return g(a + 1);
-        })(2);
-    }
-    expect: {
-        g(3);
-    }
-}
-
-issue_1758: {
-    options = {
-        inline: true,
-        sequences: true,
-        side_effects: true,
-    }
-    input: {
-        console.log(function(c) {
-            var undefined = 42;
-            return function() {
-                c--;
-                c--, c.toString();
-                return;
-            }();
-        }());
-    }
-    expect: {
-        console.log(function(c) {
-            var undefined = 42;
-            return c--, c--, void c.toString();
-        }());
-    }
-    expect_stdout: "undefined"
-}
-wrap_iife: {
-    options = {
-        inline: true,
-        negate_iife: false,
-    }
-    beautify = {
-        wrap_iife: true,
-    }
-    input: {
-        (function() {
-            return function() {
-                console.log('test')
-            };
-        })()();
-    }
-    expect_exact: 'void console.log("test");'
-}
-
-wrap_iife_in_expression: {
-    options = {
-        inline: true,
-        negate_iife: false,
-    }
-    beautify = {
-        wrap_iife: true,
-    }
-    input: {
-        foo = (function() {
-            return bar();
-        })();
-    }
-    expect_exact: 'foo=bar();'
-}
-
-wrap_iife_in_return_call: {
-    options = {
-        inline: true,
-        negate_iife: false,
-    }
-    beautify = {
-        wrap_iife: true,
-    }
-    input: {
-        (function() {
-            return (function() {
-                console.log('test')
-            })();
-        })()();
-    }
-    expect_exact: '(void console.log("test"))();'
-}
-
-pure_annotation_1: {
-    options = {
-        annotations: true,
-        inline: true,
-        side_effects: true,
-    }
-    input: {
-        /*@__PURE__*/(function() {
-            console.log("hello");
-        }());
-    }
-    expect_exact: ""
-}
-
-pure_annotation_2: {
-    options = {
-        annotations: true,
-        collapse_vars: true,
-        inline: true,
-        side_effects: true,
-    }
-    input: {
-        /*@__PURE__*/(function(n) {
-            console.log("hello", n);
-        }(42));
-    }
-    expect_exact: ""
-}
-
-drop_fargs: {
-    options = {
-        collapse_vars: true,
-        inline: true,
-        keep_fargs: false,
-        side_effects: true,
-        unused: true,
-    }
-    input: {
-        var a = 1;
-        !function(a_1) {
-            a++;
-        }(a++ + (a && console.log(a)));
-        console.log(a);
-    }
-    expect: {
-        var a = 1;
-        ++a && console.log(a),
-        a++;
-        console.log(a);
-    }
-    expect_stdout: [
-        "2",
-        "3",
-    ]
-}
-
-keep_fargs: {
-    options = {
-        collapse_vars: true,
-        inline: true,
-        keep_fargs: true,
-        side_effects: true,
-        unused: true,
-    }
-    input: {
-        var a = 1;
-        !function(a_1) {
-            a++;
-        }(a++ + (a && console.log(a)));
-        console.log(a);
-    }
-    expect: {
-        var a = 1;
-        ++a && console.log(a),
-        a++;
-        console.log(a);
-    }
-    expect_stdout: [
-        "2",
-        "3",
-    ]
-}

test/compress/issue-2871.js

@@ -1,37 +0,0 @@
-comparison_with_undefined: {
-    options = {
-        comparisons: true,
-    }
-    input: {
-        a == undefined;
-        a != undefined;
-        a === undefined;
-        a !== undefined;
-
-        undefined == a;
-        undefined != a;
-        undefined === a;
-        undefined !== a;
-
-        void 0 == a;
-        void 0 != a;
-        void 0 === a;
-        void 0 !== a;
-    }
-    expect: {
-        null == a;
-        null != a;
-        void 0 === a;
-        void 0 !== a;
-
-        null == a;
-        null != a;
-        void 0 === a;
-        void 0 !== a;
-
-        null == a;
-        null != a;
-        void 0 === a;
-        void 0 !== a;
-    }
-}

test/compress/issue-2989.js

@@ -1,21 +0,0 @@
-inline_script_off: {
-    beautify = {
-        inline_script: false,
-    }
-    input: {
-        console.log("</sCrIpT>");
-    }
-    expect_exact: 'console.log("</sCrIpT>");'
-    expect_stdout: "</sCrIpT>"
-}
-
-inline_script_on: {
-    beautify = {
-        inline_script: true,
-    }
-    input: {
-        console.log("</sCrIpT>");
-    }
-    expect_exact: 'console.log("<\\/sCrIpT>");'
-    expect_stdout: "</sCrIpT>"
-}

test/compress/issue-368.js

@@ -1,55 +0,0 @@
-collapse: {
-    options = {
-        collapse_vars: true,
-        sequences: true,
-        side_effects: true,
-        unused: true,
-    }
-    input: {
-        function f1() {
-            var a;
-            a = typeof b === 'function' ? b() : b;
-            return a !== undefined && c();
-        }
-        function f2(b) {
-            var a;
-            b = c();
-            a = typeof b === 'function' ? b() : b;
-            return 'stirng' == typeof a && d();
-        }
-        function f3(c) {
-            var a;
-            a = b(a / 2);
-            if (a < 0) {
-                a++;
-                ++c;
-                return c / 2;
-            }
-        }
-        function f4(c) {
-            var a;
-            a = b(a / 2);
-            if (a < 0) {
-                a++;
-                c++;
-                return c / 2;
-            }
-        }
-    }
-    expect: {
-        function f1() {
-            return void 0 !== ('function' === typeof b ? b() : b) && c();
-        }
-        function f2(b) {
-            return 'stirng' == typeof ('function' === typeof (b = c()) ? b() : b) && d();
-        }
-        function f3(c) {
-            var a;
-            if ((a = b(a / 2)) < 0) return a++, ++c / 2;
-        }
-        function f4(c) {
-            var a;
-            if ((a = b(a / 2)) < 0) return a++, ++c / 2;
-        }
-    }
-}

test/compress/issue-3768.js

@@ -1,128 +0,0 @@
-mangle: {
-    mangle = {
-        toplevel: true,
-    }
-    input: {
-        var e = eval, x = 42;
-        (function() {
-            console.log(e("typeof x"));
-        })();
-    }
-    expect: {
-        var e = eval, x = 42;
-        (function() {
-            console.log(e("typeof x"));
-        })();
-    }
-    expect_stdout: true
-}
-
-compress: {
-    options = {
-        collapse_vars: true,
-        inline: true,
-        unused: true,
-    }
-    input: {
-        console.log(function() {
-            var a = 42;
-            return eval("typeof a");
-        }(), function(e) {
-            var a = null;
-            return e("typeof a");
-        }(eval), function(eval) {
-            var a = false;
-            return eval("typeof a");
-        }(eval), function(f) {
-            var a = "STRING";
-            var eval = f;
-            return eval("typeof a");
-        }(eval), function(g) {
-            var a = eval;
-            function eval() {
-                return g;
-            }
-            return eval()("typeof a");
-        }(eval));
-    }
-    expect: {
-        console.log(function() {
-            var a = 42;
-            return eval("typeof a");
-        }(), (0, eval)("typeof a"), function(eval) {
-            var a = false;
-            return eval("typeof a");
-        }(eval), function(f) {
-            var a = "STRING";
-            var eval = f;
-            return eval("typeof a");
-        }(eval), function(g) {
-            var a = eval;
-            function eval() {
-                return g;
-            }
-            return eval()("typeof a");
-        }(eval));
-    }
-    expect_stdout: "number undefined boolean string undefined"
-}
-
-call_arg_1: {
-    mangle = {
-        toplevel: true,
-    }
-    input: {
-        var z = "foo";
-        (function() {
-            var z = false;
-            (function(e) {
-                var z = 42;
-                e("console.log(typeof z)");
-            })(eval);
-        })();
-    }
-    expect: {
-        var z = "foo";
-        (function() {
-            var o = false;
-            (function(o) {
-                var a = 42;
-                o("console.log(typeof z)");
-            })(eval);
-        })();
-    }
-    expect_stdout: true
-}
-
-call_arg_2: {
-    mangle = {
-        toplevel: true,
-    }
-    input: {
-        function eval() {
-            console.log("PASS");
-        }
-        var z = "foo";
-        (function() {
-            var z = false;
-            (function(e) {
-                var z = 42;
-                e("console.log(typeof z)");
-            })(eval);
-        })();
-    }
-    expect: {
-        function n() {
-            console.log("PASS");
-        }
-        var o = "foo";
-        (function() {
-            var o = false;
-            (function(o) {
-                var n = 42;
-                o("console.log(typeof z)");
-            })(n);
-        })();
-    }
-    expect_stdout: "PASS"
-}

test/compress/issue-44.js

@@ -1,7 +1,5 @@
 issue_44_valid_ast_1: {
-    options = {
-        unused: true,
-    }
+    options = { unused: true };
     input: {
         function a(b) {
             for (var i = 0, e = b.qoo(); ; i++) {}
@@ -16,9 +14,7 @@ issue_44_valid_ast_1: {
 }
 
 issue_44_valid_ast_2: {
-    options = {
-        unused: true,
-    }
+    options = { unused: true };
     input: {
         function a(b) {
             if (foo) for (var i = 0, e = b.qoo(); ; i++) {}