v3.4.2

fixes #3197

lib/compress.js

@@ -518,14 +518,15 @@ merge(Compressor.prototype, {
             var sym = node.left;
             if (!(sym instanceof AST_SymbolRef)) return;
             var d = sym.definition();
+            var safe = safe_to_assign(tw, d, sym.scope, node.right);
+            d.assignments++;
+            if (!safe) return;
             var fixed = d.fixed;
             if (!fixed && node.operator != "=") return;
-            if (!safe_to_assign(tw, d, sym.scope, node.right)) return;
             var eq = node.operator == "=";
             var value = eq ? node.right : node;
             if (is_modified(compressor, tw, node, value, 0)) return;
             d.references.push(sym);
-            d.assignments++;
             if (!eq) d.chained = true;
             d.fixed = eq ? function() {
                 return node.right;
@@ -657,7 +658,7 @@ merge(Compressor.prototype, {
                 // So existing transformation rules can work on them.
                 node.argnames.forEach(function(arg, i) {
                     var d = arg.definition();
-                    if (!node.uses_arguments && d.fixed === undefined) {
+                    if (d.fixed === undefined && (!node.uses_arguments || tw.has_directive("use strict"))) {
                         d.fixed = function() {
                             return iife.args[i] || make_node(AST_Undefined, iife);
                         };
@@ -760,11 +761,12 @@ merge(Compressor.prototype, {
             var exp = node.expression;
             if (!(exp instanceof AST_SymbolRef)) return;
             var d = exp.definition();
+            var safe = safe_to_assign(tw, d, exp.scope, true);
+            d.assignments++;
+            if (!safe) return;
             var fixed = d.fixed;
             if (!fixed) return;
-            if (!safe_to_assign(tw, d, exp.scope, true)) return;
             d.references.push(exp);
-            d.assignments++;
             d.chained = true;
             d.fixed = function() {
                 return make_node(AST_Binary, node, {
@@ -3289,6 +3291,15 @@ merge(Compressor.prototype, {
         // this scope (not in nested scopes).
         var scope = this;
         var tw = new TreeWalker(function(node, descend) {
+            if (node instanceof AST_Lambda && node.uses_arguments && !tw.has_directive("use strict")) {
+                node.argnames.forEach(function(argname) {
+                    var def = argname.definition();
+                    if (!(def.id in in_use_ids)) {
+                        in_use_ids[def.id] = true;
+                        in_use.push(def);
+                    }
+                });
+            }
             if (node === self) return;
             if (node instanceof AST_Defun) {
                 var node_def = node.name.definition();
@@ -3376,8 +3387,7 @@ merge(Compressor.prototype, {
                     // any declarations with same name will overshadow
                     // name of this anonymous function and can therefore
                     // never be used anywhere
-                    if (!(def.id in in_use_ids) || def.orig.length > 1)
-                        node.name = null;
+                    if (!(def.id in in_use_ids) || def.orig.length > 1) node.name = null;
                 }
                 if (node instanceof AST_Lambda && !(node instanceof AST_Accessor)) {
                     var trim = !compressor.option("keep_fargs");
@@ -3389,8 +3399,7 @@ merge(Compressor.prototype, {
                                 a.pop();
                                 compressor[sym.unreferenced() ? "warn" : "info"]("Dropping unused function argument {name} [{file}:{line},{col}]", template(sym));
                             }
-                        }
-                        else {
+                        } else {
                             trim = false;
                         }
                     }
@@ -6208,6 +6217,39 @@ merge(Compressor.prototype, {
                 }
             }
         }
+        var fn;
+        if (compressor.option("arguments")
+            && expr instanceof AST_SymbolRef
+            && expr.name == "arguments"
+            && expr.definition().orig.length == 1
+            && (fn = expr.scope) instanceof AST_Lambda
+            && prop instanceof AST_Number) {
+            var index = prop.getValue();
+            var argname = fn.argnames[index];
+            if (argname && compressor.has_directive("use strict")) {
+                var def = argname.definition();
+                if (!compressor.option("reduce_vars") || def.assignments || def.orig.length > 1) {
+                    argname = null;
+                }
+            } else if (!argname && !compressor.option("keep_fargs") && index < fn.argnames.length + 5) {
+                while (index >= fn.argnames.length) {
+                    argname = make_node(AST_SymbolFunarg, fn, {
+                        name: fn.make_var_name("argument_" + fn.argnames.length),
+                        scope: fn
+                    });
+                    fn.argnames.push(argname);
+                    fn.enclosed.push(fn.def_variable(argname));
+                }
+            }
+            if (argname && find_if(function(node) {
+                return node.name === argname.name;
+            }, fn.argnames) === argname) {
+                var sym = make_node(AST_SymbolRef, self, argname);
+                sym.reference({});
+                delete argname.__unused;
+                return sym;
+            }
+        }
         if (is_lhs(self, compressor.parent())) return self;
         if (key !== prop) {
             var sub = self.flatten_object(property, compressor);
@@ -6251,31 +6293,6 @@ merge(Compressor.prototype, {
                 });
             }
         }
-        var fn;
-        if (compressor.option("arguments")
-            && expr instanceof AST_SymbolRef
-            && expr.name == "arguments"
-            && expr.definition().orig.length == 1
-            && (fn = expr.scope) instanceof AST_Lambda
-            && prop instanceof AST_Number) {
-            var index = prop.getValue();
-            var argname = fn.argnames[index];
-            if (!argname && !compressor.option("keep_fargs")) {
-                while (index >= fn.argnames.length) {
-                    argname = make_node(AST_SymbolFunarg, fn, {
-                        name: fn.make_var_name("argument_" + fn.argnames.length),
-                        scope: fn
-                    });
-                    fn.argnames.push(argname);
-                    fn.enclosed.push(fn.def_variable(argname));
-                }
-            }
-            if (argname) {
-                var sym = make_node(AST_SymbolRef, self, argname);
-                sym.reference({});
-                return sym;
-            }
-        }
         var ev = self.evaluate(compressor);
         if (ev !== self) {
             ev = make_node_from_constant(ev, self).optimize(compressor);

lib/scope.js

@@ -132,10 +132,7 @@ AST_Toplevel.DEFMETHOD("figure_out_scope", function(options) {
             node.thedef = node;
             node.references = [];
         }
-        if (node instanceof AST_SymbolLambda) {
-            defun.def_function(node, node.name == "arguments" ? undefined : defun);
-        }
-        else if (node instanceof AST_SymbolDefun) {
+        if (node instanceof AST_SymbolDefun || options.ie8 && node instanceof AST_SymbolLambda) {
             // Careful here, the scope where this should be defined is
             // the parent scope.  The reason is that we enter a new
             // scope when we encounter the AST_Defun node (which is
@@ -143,6 +140,9 @@ AST_Toplevel.DEFMETHOD("figure_out_scope", function(options) {
             // later.
             (node.scope = defun.parent_scope).def_function(node, defun);
         }
+        else if (node instanceof AST_SymbolLambda) {
+            defun.def_function(node, node.name == "arguments" ? undefined : defun);
+        }
         else if (node instanceof AST_SymbolVar) {
             defun.def_variable(node, node.TYPE == "SymbolVar" ? null : undefined);
             if (defun !== scope) {
@@ -349,9 +349,6 @@ function next_mangled_name(scope, options, def) {
         holes.push(scope.cname);
     }
     scope.names_in_use[name] = true;
-    if (options.ie8 && def.orig[0] instanceof AST_SymbolLambda) {
-        names_in_use(scope.parent_scope, options)[name] = true;
-    }
     return name;
 }
 

lib/utils.js

@@ -52,9 +52,7 @@ function member(name, array) {
 }
 
 function find_if(func, array) {
-    for (var i = 0, n = array.length; i < n; ++i) {
-        if (func(array[i])) return array[i];
-    }
+    for (var i = array.length; --i >= 0;) if (func(array[i])) return array[i];
 }
 
 function repeat_string(str, i) {

package.json

@@ -3,7 +3,7 @@
   "description": "JavaScript parser, mangler/compressor and beautifier toolkit",
   "author": "Mihai Bazon <mihai.bazon@gmail.com> (http://lisperator.net/)",
   "license": "BSD-2-Clause",
-  "version": "3.4.1",
+  "version": "3.4.2",
   "engines": {
     "node": ">=0.8.0"
   },

test/compress/arguments.js

@@ -5,7 +5,8 @@ replace_index: {
         properties: true,
     }
     input: {
-        console.log(arguments && arguments[0]);
+        var arguments = [];
+        console.log(arguments[0]);
         (function() {
             console.log(arguments[1], arguments["1"], arguments["foo"]);
         })("bar", 42);
@@ -21,7 +22,8 @@ replace_index: {
         })("bar", 42);
     }
     expect: {
-        console.log(arguments && arguments[0]);
+        var arguments = [];
+        console.log(arguments[0]);
         (function() {
             console.log(arguments[1], arguments[1], arguments.foo);
         })("bar", 42);
@@ -45,6 +47,37 @@ replace_index: {
     ]
 }
 
+replace_index_strict: {
+    options = {
+        arguments: true,
+        evaluate: true,
+        properties: true,
+        reduce_vars: true,
+    }
+    input: {
+        "use strict";
+        (function() {
+            console.log(arguments[1], arguments["1"], arguments["foo"]);
+        })("bar", 42);
+        (function(a, b) {
+            console.log(arguments[1], arguments["1"], arguments["foo"]);
+        })("bar", 42);
+    }
+    expect: {
+        "use strict";
+        (function() {
+            console.log(arguments[1], arguments[1], arguments.foo);
+        })("bar", 42);
+        (function(a, b) {
+            console.log(b, b, arguments.foo);
+        })("bar", 42);
+    }
+    expect_stdout: [
+        "42 42 undefined",
+        "42 42 undefined",
+    ]
+}
+
 replace_index_keep_fargs: {
     options = {
         arguments: true,
@@ -53,7 +86,8 @@ replace_index_keep_fargs: {
         properties: true,
     }
     input: {
-        console.log(arguments && arguments[0]);
+        var arguments = [];
+        console.log(arguments[0]);
         (function() {
             console.log(arguments[1], arguments["1"], arguments["foo"]);
         })("bar", 42);
@@ -69,7 +103,8 @@ replace_index_keep_fargs: {
         })("bar", 42);
     }
     expect: {
-        console.log(arguments && arguments[0]);
+        var arguments = [];
+        console.log(arguments[0]);
         (function(argument_0, argument_1) {
             console.log(argument_1, argument_1, arguments.foo);
         })("bar", 42);
@@ -93,6 +128,38 @@ replace_index_keep_fargs: {
     ]
 }
 
+replace_index_keep_fargs_strict: {
+    options = {
+        arguments: true,
+        evaluate: true,
+        keep_fargs: false,
+        properties: true,
+        reduce_vars: true,
+    }
+    input: {
+        "use strict";
+        (function() {
+            console.log(arguments[1], arguments["1"], arguments["foo"]);
+        })("bar", 42);
+        (function(a, b) {
+            console.log(arguments[1], arguments["1"], arguments["foo"]);
+        })("bar", 42);
+    }
+    expect: {
+        "use strict";
+        (function(argument_0, argument_1) {
+            console.log(argument_1, argument_1, arguments.foo);
+        })("bar", 42);
+        (function(a, b) {
+            console.log(b, b, arguments.foo);
+        })("bar", 42);
+    }
+    expect_stdout: [
+        "42 42 undefined",
+        "42 42 undefined",
+    ]
+}
+
 modified: {
     options = {
         arguments: true,
@@ -101,8 +168,10 @@ modified: {
         (function(a, b) {
             var c = arguments[0];
             var d = arguments[1];
-            a = "foo";
+            var a = "foo";
             b++;
+            arguments[0] = "moo";
+            arguments[1] *= 2;
             console.log(a, b, c, d, arguments[0], arguments[1]);
         })("bar", 42);
     }
@@ -110,10 +179,61 @@ modified: {
         (function(a, b) {
             var c = a;
             var d = b;
-            a = "foo";
+            var a = "foo";
             b++;
+            a = "moo";
+            b *= 2;
             console.log(a, b, c, d, a, b);
         })("bar", 42);
     }
-    expect_stdout: "foo 43 bar 42 foo 43"
+    expect_stdout: "moo 86 bar 42 moo 86"
+}
+
+modified_strict: {
+    options = {
+        arguments: true,
+        reduce_vars: true,
+    }
+    input: {
+        "use strict";
+        (function(a, b) {
+            var c = arguments[0];
+            var d = arguments[1];
+            var a = "foo";
+            b++;
+            arguments[0] = "moo";
+            arguments[1] *= 2;
+            console.log(a, b, c, d, arguments[0], arguments[1]);
+        })("bar", 42);
+    }
+    expect: {
+        "use strict";
+        (function(a, b) {
+            var c = arguments[0];
+            var d = arguments[1];
+            var a = "foo";
+            b++;
+            arguments[0] = "moo";
+            arguments[1] *= 2;
+            console.log(a, b, c, d, arguments[0], arguments[1]);
+        })("bar", 42);
+    }
+    expect_stdout: "foo 43 bar 42 moo 84"
+}
+
+duplicate_argname: {
+    options = {
+        arguments: true,
+    }
+    input: {
+        (function(a, b, a) {
+            console.log(a, b, arguments[0], arguments[1], arguments[2]);
+        })("foo", 42, "bar");
+    }
+    expect: {
+        (function(a, b, a) {
+            console.log(a, b, arguments[0], b, a);
+        })("foo", 42, "bar");
+    }
+    expect_stdout: "bar 42 foo 42 bar"
 }

test/compress/drop-unused.js

@@ -1926,3 +1926,31 @@ issue_3146_4: {
     }
     expect_stdout: "PASS"
 }
+
+issue_3192: {
+    options = {
+        unused: true,
+    }
+    input: {
+        (function(a) {
+            console.log(a = "foo", arguments[0]);
+        })("bar");
+        (function(a) {
+            "use strict";
+            console.log(a = "foo", arguments[0]);
+        })("bar");
+    }
+    expect: {
+        (function(a) {
+            console.log(a = "foo", arguments[0]);
+        })("bar");
+        (function(a) {
+            "use strict";
+            console.log("foo", arguments[0]);
+        })("bar");
+    }
+    expect_stdout: [
+        "foo foo",
+        "foo bar",
+    ]
+}

test/compress/ie8.js

@@ -420,8 +420,8 @@ issue_24_2: {
         })();
     }
     expect: {
-        (function(n) {
-            console.log(typeof function o(){} === typeof n ? "FAIL" : "PASS");
+        (function(o) {
+            console.log(typeof function n(){} === typeof o ? "FAIL" : "PASS");
         })();
     }
     expect_stdout: "PASS"
@@ -457,9 +457,29 @@ issue_2976_2: {
         }());
     }
     expect: {
-        console.log(function n() {
-            var o;
-            return o === n ? "FAIL" : "PASS";
+        console.log(function f() {
+            var n;
+            return n === f ? "FAIL" : "PASS";
+        }());
+    }
+    expect_stdout: "PASS"
+}
+
+issue_2976_3: {
+    mangle = {
+        ie8: true,
+        toplevel: true,
+    }
+    input: {
+        console.log(function f() {
+            var a;
+            return a === f ? "FAIL" : "PASS";
+        }());
+    }
+    expect: {
+        console.log(function o() {
+            var n;
+            return n === o ? "FAIL" : "PASS";
         }());
     }
     expect_stdout: "PASS"
@@ -538,3 +558,111 @@ issue_3035_ie8: {
     }
     expect_stdout: "PASS"
 }
+
+issue_3197_1: {
+    options = {
+        ie8: false,
+        inline: true,
+        reduce_vars: true,
+        side_effects: true,
+        unused: true,
+    }
+    mangle = {
+        ie8: false,
+    }
+    input: {
+        var window = {};
+        !function() {
+            function Foo() {
+                console.log(this instanceof Foo);
+            }
+            window.Foo = Foo;
+        }();
+        new window.Foo();
+    }
+    expect: {
+        var window = {};
+        window.Foo = function o() {
+            console.log(this instanceof o);
+        };
+        new window.Foo();
+    }
+    expect_stdout: "true"
+}
+
+issue_3197_1_ie8: {
+    options = {
+        ie8: true,
+        inline: true,
+        reduce_vars: true,
+        side_effects: true,
+        unused: true,
+    }
+    mangle = {
+        ie8: true,
+    }
+    input: {
+        var window = {};
+        !function() {
+            function Foo() {
+                console.log(this instanceof Foo);
+            }
+            window.Foo = Foo;
+        }();
+        new window.Foo();
+    }
+    expect: {
+        var window = {};
+        window.Foo = function Foo() {
+            console.log(this instanceof Foo);
+        };
+        new window.Foo();
+    }
+    expect_stdout: "true"
+}
+
+issue_3197_2: {
+    mangle = {
+        ie8: false,
+    }
+    input: {
+        (function(a) {
+            var f = function f() {
+                console.log(this instanceof f);
+            };
+            new f(a);
+        })();
+    }
+    expect: {
+        (function(n) {
+            var o = function n() {
+                console.log(this instanceof n);
+            };
+            new o(n);
+        })();
+    }
+    expect_stdout: "true"
+}
+
+issue_3197_2_ie8: {
+    mangle = {
+        ie8: true,
+    }
+    input: {
+        (function(a) {
+            var f = function f() {
+                console.log(this instanceof f);
+            };
+            new f(a);
+        })();
+    }
+    expect: {
+        (function(n) {
+            var o = function o() {
+                console.log(this instanceof o);
+            };
+            new o(n);
+        })();
+    }
+    expect_stdout: "true"
+}

test/mocha/arguments.js

@@ -1,17 +1,14 @@
-var UglifyJS = require("../node");
 var assert = require("assert");
+var UglifyJS = require("../..");
 
 describe("arguments", function() {
     it("Should known that arguments in functions are local scoped", function() {
         var ast = UglifyJS.parse("var arguments; var f = function() {arguments.length}");
         ast.figure_out_scope();
-
         // Test scope of `var arguments`
         assert.strictEqual(ast.find_variable("arguments").global, true);
-
         // Select arguments symbol in function
         var symbol = ast.body[1].definitions[0].value.find_variable("arguments");
-
         assert.strictEqual(symbol.global, false);
         assert.strictEqual(symbol.scope, ast. // From ast
             body[1]. // Select 2nd statement (equals to `var f ...`)
@@ -27,4 +24,4 @@ describe("arguments", function() {
         assert.strictEqual(ast.body[0].body[0].uses_arguments, true);
         assert.strictEqual(ast.body[0].body[0].body[0].uses_arguments, false);
     });
-});
+});

test/mocha/comment-filter.js

@@ -1,89 +0,0 @@
-var UglifyJS = require("../node");
-var assert = require("assert");
-
-describe("comment filters", function() {
-    it("Should be able to filter comments by passing regexp", function() {
-        var ast = UglifyJS.parse("/*!test1*/\n/*test2*/\n//!test3\n//test4\n<!--test5\n<!--!test6\n-->test7\n-->!test8");
-        assert.strictEqual(ast.print_to_string({comments: /^!/}), "/*!test1*/\n//!test3\n//!test6\n//!test8\n");
-    });
-
-    it("Should be able to filter comments with the 'all' option", function() {
-        var ast = UglifyJS.parse("/*!test1*/\n/*test2*/\n//!test3\n//test4\n<!--test5\n<!--!test6\n-->test7\n-->!test8");
-        assert.strictEqual(ast.print_to_string({comments: "all"}), "/*!test1*/\n/*test2*/\n//!test3\n//test4\n//test5\n//!test6\n//test7\n//!test8\n");
-    });
-
-    it("Should be able to filter commments with the 'some' option", function() {
-        var ast = UglifyJS.parse("// foo\n/*@preserve*/\n// bar\n/*@license*/\n//@license with the wrong comment type\n/*@cc_on something*/");
-        assert.strictEqual(ast.print_to_string({comments: "some"}), "/*@preserve*/\n/*@license*/\n/*@cc_on something*/");
-    });
-
-    it("Should be able to filter comments by passing a function", function() {
-        var ast = UglifyJS.parse("/*TEST 123*/\n//An other comment\n//8 chars.");
-        var f = function(node, comment) {
-            return comment.value.length === 8;
-        };
-
-        assert.strictEqual(ast.print_to_string({comments: f}), "/*TEST 123*/\n//8 chars.\n");
-    });
-
-    it("Should be able to filter comments by passing regex in string format", function() {
-        var ast = UglifyJS.parse("/*!test1*/\n/*test2*/\n//!test3\n//test4\n<!--test5\n<!--!test6\n-->test7\n-->!test8");
-        assert.strictEqual(ast.print_to_string({comments: "/^!/"}), "/*!test1*/\n//!test3\n//!test6\n//!test8\n");
-    });
-
-    it("Should be able to get the comment and comment type when using a function", function() {
-        var ast = UglifyJS.parse("/*!test1*/\n/*test2*/\n//!test3\n//test4\n<!--test5\n<!--!test6\n-->test7\n-->!test8");
-        var f = function(node, comment) {
-            return comment.type == "comment1" || comment.type == "comment3";
-        };
-
-        assert.strictEqual(ast.print_to_string({comments: f}), "//!test3\n//test4\n//test5\n//!test6\n");
-    });
-
-    it("Should be able to filter comments by passing a boolean", function() {
-        var ast = UglifyJS.parse("/*!test1*/\n/*test2*/\n//!test3\n//test4\n<!--test5\n<!--!test6\n-->test7\n-->!test8");
-
-        assert.strictEqual(ast.print_to_string({comments: true}), "/*!test1*/\n/*test2*/\n//!test3\n//test4\n//test5\n//!test6\n//test7\n//!test8\n");
-        assert.strictEqual(ast.print_to_string({comments: false}), "");
-    });
-
-    it("Should never be able to filter comment5 (shebangs)", function() {
-        var ast = UglifyJS.parse("#!Random comment\n//test1\n/*test2*/");
-        var f = function(node, comment) {
-            assert.strictEqual(comment.type === "comment5", false);
-
-            return true;
-        };
-
-        assert.strictEqual(ast.print_to_string({comments: f}), "#!Random comment\n//test1\n/*test2*/");
-    });
-
-    it("Should never be able to filter comment5 when using 'some' as filter", function() {
-        var ast = UglifyJS.parse("#!foo\n//foo\n/*@preserve*/\n/* please hide me */");
-        assert.strictEqual(ast.print_to_string({comments: "some"}), "#!foo\n/*@preserve*/");
-    });
-
-    it("Should have no problem on multiple calls", function() {
-        const options = {
-            comments: /ok/
-        };
-
-        assert.strictEqual(UglifyJS.parse("/* ok */ function a(){}").print_to_string(options), "/* ok */function a(){}");
-        assert.strictEqual(UglifyJS.parse("/* ok */ function a(){}").print_to_string(options), "/* ok */function a(){}");
-        assert.strictEqual(UglifyJS.parse("/* ok */ function a(){}").print_to_string(options), "/* ok */function a(){}");
-    });
-
-    it("Should handle shebang and preamble correctly", function() {
-        var code = UglifyJS.minify("#!/usr/bin/node\nvar x = 10;", {
-            output: { preamble: "/* Build */" }
-        }).code;
-        assert.strictEqual(code, "#!/usr/bin/node\n/* Build */\nvar x=10;");
-    });
-
-    it("Should handle preamble without shebang correctly", function() {
-        var code = UglifyJS.minify("var x = 10;", {
-            output: { preamble: "/* Build */" }
-        }).code;
-        assert.strictEqual(code, "/* Build */\nvar x=10;");
-    });
-});

test/mocha/comment.js

@@ -1,262 +0,0 @@
-var assert = require("assert");
-var uglify = require("../node");
-
-describe("Comment", function() {
-    it("Should recognize eol of single line comments", function() {
-        var tests = [
-            "//Some comment 1\n>",
-            "//Some comment 2\r>",
-            "//Some comment 3\r\n>",
-            "//Some comment 4\u2028>",
-            "//Some comment 5\u2029>"
-        ];
-
-        var fail = function(e) {
-            return e instanceof uglify.JS_Parse_Error &&
-                e.message === "Unexpected token: operator (>)" &&
-                e.line === 2 &&
-                e.col === 0;
-        }
-
-        for (var i = 0; i < tests.length; i++) {
-            assert.throws(function() {
-                uglify.parse(tests[i]);
-            }, fail, tests[i]);
-        }
-    });
-
-    it("Should update the position of a multiline comment correctly", function() {
-        var tests = [
-            "/*Some comment 1\n\n\n*/\n>\n\n\n\n\n\n",
-            "/*Some comment 2\r\n\r\n\r\n*/\r\n>\n\n\n\n\n\n",
-            "/*Some comment 3\r\r\r*/\r>\n\n\n\n\n\n",
-            "/*Some comment 4\u2028\u2028\u2028*/\u2028>\n\n\n\n\n\n",
-            "/*Some comment 5\u2029\u2029\u2029*/\u2029>\n\n\n\n\n\n"
-        ];
-
-        var fail = function(e) {
-            return e instanceof uglify.JS_Parse_Error &&
-                e.message === "Unexpected token: operator (>)" &&
-                e.line === 5 &&
-                e.col === 0;
-        }
-
-        for (var i = 0; i < tests.length; i++) {
-            assert.throws(function() {
-                uglify.parse(tests[i]);
-            }, fail, tests[i]);
-        }
-    });
-
-    it("Should handle comment within return correctly", function() {
-        var result = uglify.minify([
-            "function unequal(x, y) {",
-            "    return (",
-            "        // Either one",
-            "        x < y",
-            "        ||",
-            "        y < x",
-            "    );",
-            "}",
-        ].join("\n"), {
-            compress: false,
-            mangle: false,
-            output: {
-                beautify: true,
-                comments: "all",
-            },
-        });
-        if (result.error) throw result.error;
-        assert.strictEqual(result.code, [
-            "function unequal(x, y) {",
-            "    // Either one",
-            "    return x < y || y < x;",
-            "}",
-        ].join("\n"));
-    });
-
-    it("Should handle comment folded into return correctly", function() {
-        var result = uglify.minify([
-            "function f() {",
-            "    /* boo */ x();",
-            "    return y();",
-            "}",
-        ].join("\n"), {
-            mangle: false,
-            output: {
-                beautify: true,
-                comments: "all",
-            },
-        });
-        if (result.error) throw result.error;
-        assert.strictEqual(result.code, [
-            "function f() {",
-            "    /* boo */",
-            "    return x(), y();",
-            "}",
-        ].join("\n"));
-    });
-
-    it("Should not drop comments after first OutputStream", function() {
-        var code = "/* boo */\nx();";
-        var ast = uglify.parse(code);
-        var out1 = uglify.OutputStream({
-            beautify: true,
-            comments: "all",
-        });
-        ast.print(out1);
-        var out2 = uglify.OutputStream({
-            beautify: true,
-            comments: "all",
-        });
-        ast.print(out2);
-        assert.strictEqual(out1.get(), code);
-        assert.strictEqual(out2.get(), out1.get());
-    });
-
-    it("Should retain trailing comments", function() {
-        var code = [
-            "if (foo /* lost comment */ && bar /* lost comment */) {",
-            "    // this one is kept",
-            "    {/* lost comment */}",
-            "    !function() {",
-            "        // lost comment",
-            "    }();",
-            "    function baz() {/* lost comment */}",
-            "    // lost comment",
-            "}",
-            "// comments right before EOF are lost as well",
-        ].join("\n");
-        var result = uglify.minify(code, {
-            compress: false,
-            mangle: false,
-            output: {
-                beautify: true,
-                comments: "all",
-            },
-        });
-        if (result.error) throw result.error;
-        assert.strictEqual(result.code, code);
-    });
-
-    it("Should retain comments within braces", function() {
-        var code = [
-            "{/* foo */}",
-            "a({/* foo */});",
-            "while (a) {/* foo */}",
-            "switch (a) {/* foo */}",
-            "if (a) {/* foo */} else {/* bar */}",
-        ].join("\n\n");
-        var result = uglify.minify(code, {
-            compress: false,
-            mangle: false,
-            output: {
-                beautify: true,
-                comments: "all",
-            },
-        });
-        if (result.error) throw result.error;
-        assert.strictEqual(result.code, code);
-    });
-
-    it("Should correctly preserve new lines around comments", function() {
-        var tests = [
-            [
-                "// foo",
-                "// bar",
-                "x();",
-            ].join("\n"),
-            [
-                "// foo",
-                "/* bar */",
-                "x();",
-            ].join("\n"),
-            [
-                "// foo",
-                "/* bar */ x();",
-            ].join("\n"),
-            [
-                "/* foo */",
-                "// bar",
-                "x();",
-            ].join("\n"),
-            [
-                "/* foo */ // bar",
-                "x();",
-            ].join("\n"),
-            [
-                "/* foo */",
-                "/* bar */",
-                "x();",
-            ].join("\n"),
-            [
-                "/* foo */",
-                "/* bar */ x();",
-            ].join("\n"),
-            [
-                "/* foo */ /* bar */",
-                "x();",
-            ].join("\n"),
-            "/* foo */ /* bar */ x();",
-        ].forEach(function(code) {
-            var result = uglify.minify(code, {
-                compress: false,
-                mangle: false,
-                output: {
-                    beautify: true,
-                    comments: "all",
-                },
-            });
-            if (result.error) throw result.error;
-            assert.strictEqual(result.code, code);
-        });
-    });
-
-    it("Should preserve new line before comment without beautify", function() {
-        var code = [
-            "function f(){",
-            "/* foo */bar()}",
-        ].join("\n");
-        var result = uglify.minify(code, {
-            compress: false,
-            mangle: false,
-            output: {
-                comments: "all",
-            },
-        });
-        if (result.error) throw result.error;
-        assert.strictEqual(result.code, code);
-    });
-
-    it("Should preserve comments around IIFE", function() {
-        var result = uglify.minify("/*a*/(/*b*/function(){/*c*/}/*d*/)/*e*/();", {
-            compress: false,
-            mangle: false,
-            output: {
-                comments: "all",
-            },
-        });
-        if (result.error) throw result.error;
-        assert.strictEqual(result.code, "/*a*/ /*b*/(function(){/*c*/}/*d*/ /*e*/)();");
-    });
-
-    it("Should output line comments after statements", function() {
-        var result = uglify.minify([
-            "x()//foo",
-            "{y()//bar",
-            "}",
-        ].join("\n"), {
-            compress: false,
-            mangle: false,
-            output: {
-                comments: "all",
-            },
-        });
-        if (result.error) throw result.error;
-        assert.strictEqual(result.code, [
-            "x();//foo",
-            "{y();//bar",
-            "}",
-        ].join("\n"));
-    });
-});

test/mocha/comment_before_constant.js

@@ -1,22 +0,0 @@
-var Uglify = require('../../');
-var assert = require("assert");
-
-describe("comment before constant", function() {
-    var js = 'function f() { /*c1*/ var /*c2*/ foo = /*c3*/ false; return foo; }';
-
-    it("Should test comment before constant is retained and output after mangle.", function() {
-        var result = Uglify.minify(js, {
-            compress: { collapse_vars: false, reduce_vars: false },
-            output: { comments: true },
-        });
-        assert.strictEqual(result.code, 'function f(){/*c1*/var/*c2*/n=/*c3*/!1;return n}');
-    });
-
-    it("Should test code works when comments disabled.", function() {
-        var result = Uglify.minify(js, {
-            compress: { collapse_vars: false, reduce_vars: false },
-            output: { comments: false },
-        });
-        assert.strictEqual(result.code, 'function f(){var n=!1;return n}');
-    });
-});

test/mocha/comments.js

@@ -0,0 +1,380 @@
+var assert = require("assert");
+var UglifyJS = require("../node");
+
+describe("comments", function() {
+    it("Should recognize eol of single line comments", function() {
+        var tests = [
+            "//Some comment 1\n>",
+            "//Some comment 2\r>",
+            "//Some comment 3\r\n>",
+            "//Some comment 4\u2028>",
+            "//Some comment 5\u2029>"
+        ];
+
+        var fail = function(e) {
+            return e instanceof UglifyJS.JS_Parse_Error
+                && e.message === "Unexpected token: operator (>)"
+                && e.line === 2
+                && e.col === 0;
+        }
+
+        for (var i = 0; i < tests.length; i++) {
+            assert.throws(function() {
+                UglifyJS.parse(tests[i]);
+            }, fail, tests[i]);
+        }
+    });
+
+    it("Should update the position of a multiline comment correctly", function() {
+        var tests = [
+            "/*Some comment 1\n\n\n*/\n>\n\n\n\n\n\n",
+            "/*Some comment 2\r\n\r\n\r\n*/\r\n>\n\n\n\n\n\n",
+            "/*Some comment 3\r\r\r*/\r>\n\n\n\n\n\n",
+            "/*Some comment 4\u2028\u2028\u2028*/\u2028>\n\n\n\n\n\n",
+            "/*Some comment 5\u2029\u2029\u2029*/\u2029>\n\n\n\n\n\n"
+        ];
+
+        var fail = function(e) {
+            return e instanceof UglifyJS.JS_Parse_Error
+                && e.message === "Unexpected token: operator (>)"
+                && e.line === 5
+                && e.col === 0;
+        }
+
+        for (var i = 0; i < tests.length; i++) {
+            assert.throws(function() {
+                UglifyJS.parse(tests[i]);
+            }, fail, tests[i]);
+        }
+    });
+
+    it("Should handle comment within return correctly", function() {
+        var result = UglifyJS.minify([
+            "function unequal(x, y) {",
+            "    return (",
+            "        // Either one",
+            "        x < y",
+            "        ||",
+            "        y < x",
+            "    );",
+            "}",
+        ].join("\n"), {
+            compress: false,
+            mangle: false,
+            output: {
+                beautify: true,
+                comments: "all",
+            },
+        });
+        if (result.error) throw result.error;
+        assert.strictEqual(result.code, [
+            "function unequal(x, y) {",
+            "    // Either one",
+            "    return x < y || y < x;",
+            "}",
+        ].join("\n"));
+    });
+
+    it("Should handle comment folded into return correctly", function() {
+        var result = UglifyJS.minify([
+            "function f() {",
+            "    /* boo */ x();",
+            "    return y();",
+            "}",
+        ].join("\n"), {
+            mangle: false,
+            output: {
+                beautify: true,
+                comments: "all",
+            },
+        });
+        if (result.error) throw result.error;
+        assert.strictEqual(result.code, [
+            "function f() {",
+            "    /* boo */",
+            "    return x(), y();",
+            "}",
+        ].join("\n"));
+    });
+
+    it("Should not drop comments after first OutputStream", function() {
+        var code = "/* boo */\nx();";
+        var ast = UglifyJS.parse(code);
+        var out1 = UglifyJS.OutputStream({
+            beautify: true,
+            comments: "all",
+        });
+        ast.print(out1);
+        var out2 = UglifyJS.OutputStream({
+            beautify: true,
+            comments: "all",
+        });
+        ast.print(out2);
+        assert.strictEqual(out1.get(), code);
+        assert.strictEqual(out2.get(), out1.get());
+    });
+
+    it("Should retain trailing comments", function() {
+        var code = [
+            "if (foo /* lost comment */ && bar /* lost comment */) {",
+            "    // this one is kept",
+            "    {/* lost comment */}",
+            "    !function() {",
+            "        // lost comment",
+            "    }();",
+            "    function baz() {/* lost comment */}",
+            "    // lost comment",
+            "}",
+            "// comments right before EOF are lost as well",
+        ].join("\n");
+        var result = UglifyJS.minify(code, {
+            compress: false,
+            mangle: false,
+            output: {
+                beautify: true,
+                comments: "all",
+            },
+        });
+        if (result.error) throw result.error;
+        assert.strictEqual(result.code, code);
+    });
+
+    it("Should retain comments within braces", function() {
+        var code = [
+            "{/* foo */}",
+            "a({/* foo */});",
+            "while (a) {/* foo */}",
+            "switch (a) {/* foo */}",
+            "if (a) {/* foo */} else {/* bar */}",
+        ].join("\n\n");
+        var result = UglifyJS.minify(code, {
+            compress: false,
+            mangle: false,
+            output: {
+                beautify: true,
+                comments: "all",
+            },
+        });
+        if (result.error) throw result.error;
+        assert.strictEqual(result.code, code);
+    });
+
+    it("Should correctly preserve new lines around comments", function() {
+        var tests = [
+            [
+                "// foo",
+                "// bar",
+                "x();",
+            ].join("\n"),
+            [
+                "// foo",
+                "/* bar */",
+                "x();",
+            ].join("\n"),
+            [
+                "// foo",
+                "/* bar */ x();",
+            ].join("\n"),
+            [
+                "/* foo */",
+                "// bar",
+                "x();",
+            ].join("\n"),
+            [
+                "/* foo */ // bar",
+                "x();",
+            ].join("\n"),
+            [
+                "/* foo */",
+                "/* bar */",
+                "x();",
+            ].join("\n"),
+            [
+                "/* foo */",
+                "/* bar */ x();",
+            ].join("\n"),
+            [
+                "/* foo */ /* bar */",
+                "x();",
+            ].join("\n"),
+            "/* foo */ /* bar */ x();",
+        ].forEach(function(code) {
+            var result = UglifyJS.minify(code, {
+                compress: false,
+                mangle: false,
+                output: {
+                    beautify: true,
+                    comments: "all",
+                },
+            });
+            if (result.error) throw result.error;
+            assert.strictEqual(result.code, code);
+        });
+    });
+
+    it("Should preserve new line before comment without beautify", function() {
+        var code = [
+            "function f(){",
+            "/* foo */bar()}",
+        ].join("\n");
+        var result = UglifyJS.minify(code, {
+            compress: false,
+            mangle: false,
+            output: {
+                comments: "all",
+            },
+        });
+        if (result.error) throw result.error;
+        assert.strictEqual(result.code, code);
+    });
+
+    it("Should preserve comments around IIFE", function() {
+        var result = UglifyJS.minify("/*a*/(/*b*/function(){/*c*/}/*d*/)/*e*/();", {
+            compress: false,
+            mangle: false,
+            output: {
+                comments: "all",
+            },
+        });
+        if (result.error) throw result.error;
+        assert.strictEqual(result.code, "/*a*/ /*b*/(function(){/*c*/}/*d*/ /*e*/)();");
+    });
+
+    it("Should output line comments after statements", function() {
+        var result = UglifyJS.minify([
+            "x()//foo",
+            "{y()//bar",
+            "}",
+        ].join("\n"), {
+            compress: false,
+            mangle: false,
+            output: {
+                comments: "all",
+            },
+        });
+        if (result.error) throw result.error;
+        assert.strictEqual(result.code, [
+            "x();//foo",
+            "{y();//bar",
+            "}",
+        ].join("\n"));
+    });
+
+    describe("comment before constant", function() {
+        var js = 'function f() { /*c1*/ var /*c2*/ foo = /*c3*/ false; return foo; }';
+
+        it("Should test comment before constant is retained and output after mangle.", function() {
+            var result = UglifyJS.minify(js, {
+                compress: { collapse_vars: false, reduce_vars: false },
+                output: { comments: true },
+            });
+            assert.strictEqual(result.code, 'function f(){/*c1*/var/*c2*/n=/*c3*/!1;return n}');
+        });
+
+        it("Should test code works when comments disabled.", function() {
+            var result = UglifyJS.minify(js, {
+                compress: { collapse_vars: false, reduce_vars: false },
+                output: { comments: false },
+            });
+            assert.strictEqual(result.code, 'function f(){var n=!1;return n}');
+        });
+    });
+
+    describe("comment filters", function() {
+        it("Should be able to filter comments by passing regexp", function() {
+            var ast = UglifyJS.parse("/*!test1*/\n/*test2*/\n//!test3\n//test4\n<!--test5\n<!--!test6\n-->test7\n-->!test8");
+            assert.strictEqual(ast.print_to_string({comments: /^!/}), "/*!test1*/\n//!test3\n//!test6\n//!test8\n");
+        });
+
+        it("Should be able to filter comments with the 'all' option", function() {
+            var ast = UglifyJS.parse("/*!test1*/\n/*test2*/\n//!test3\n//test4\n<!--test5\n<!--!test6\n-->test7\n-->!test8");
+            assert.strictEqual(ast.print_to_string({comments: "all"}), "/*!test1*/\n/*test2*/\n//!test3\n//test4\n//test5\n//!test6\n//test7\n//!test8\n");
+        });
+
+        it("Should be able to filter commments with the 'some' option", function() {
+            var ast = UglifyJS.parse("// foo\n/*@preserve*/\n// bar\n/*@license*/\n//@license with the wrong comment type\n/*@cc_on something*/");
+            assert.strictEqual(ast.print_to_string({comments: "some"}), "/*@preserve*/\n/*@license*/\n/*@cc_on something*/");
+        });
+
+        it("Should be able to filter comments by passing a function", function() {
+            var ast = UglifyJS.parse("/*TEST 123*/\n//An other comment\n//8 chars.");
+            var f = function(node, comment) {
+                return comment.value.length === 8;
+            };
+
+            assert.strictEqual(ast.print_to_string({comments: f}), "/*TEST 123*/\n//8 chars.\n");
+        });
+
+        it("Should be able to filter comments by passing regex in string format", function() {
+            var ast = UglifyJS.parse("/*!test1*/\n/*test2*/\n//!test3\n//test4\n<!--test5\n<!--!test6\n-->test7\n-->!test8");
+            assert.strictEqual(ast.print_to_string({comments: "/^!/"}), "/*!test1*/\n//!test3\n//!test6\n//!test8\n");
+        });
+
+        it("Should be able to get the comment and comment type when using a function", function() {
+            var ast = UglifyJS.parse("/*!test1*/\n/*test2*/\n//!test3\n//test4\n<!--test5\n<!--!test6\n-->test7\n-->!test8");
+            var f = function(node, comment) {
+                return comment.type == "comment1" || comment.type == "comment3";
+            };
+
+            assert.strictEqual(ast.print_to_string({comments: f}), "//!test3\n//test4\n//test5\n//!test6\n");
+        });
+
+        it("Should be able to filter comments by passing a boolean", function() {
+            var ast = UglifyJS.parse("/*!test1*/\n/*test2*/\n//!test3\n//test4\n<!--test5\n<!--!test6\n-->test7\n-->!test8");
+
+            assert.strictEqual(ast.print_to_string({comments: true}), "/*!test1*/\n/*test2*/\n//!test3\n//test4\n//test5\n//!test6\n//test7\n//!test8\n");
+            assert.strictEqual(ast.print_to_string({comments: false}), "");
+        });
+
+        it("Should never be able to filter comment5 (shebangs)", function() {
+            var ast = UglifyJS.parse("#!Random comment\n//test1\n/*test2*/");
+            var f = function(node, comment) {
+                assert.strictEqual(comment.type === "comment5", false);
+
+                return true;
+            };
+
+            assert.strictEqual(ast.print_to_string({comments: f}), "#!Random comment\n//test1\n/*test2*/");
+        });
+
+        it("Should never be able to filter comment5 when using 'some' as filter", function() {
+            var ast = UglifyJS.parse("#!foo\n//foo\n/*@preserve*/\n/* please hide me */");
+            assert.strictEqual(ast.print_to_string({comments: "some"}), "#!foo\n/*@preserve*/");
+        });
+
+        it("Should have no problem on multiple calls", function() {
+            const options = {
+                comments: /ok/
+            };
+
+            assert.strictEqual(UglifyJS.parse("/* ok */ function a(){}").print_to_string(options), "/* ok */function a(){}");
+            assert.strictEqual(UglifyJS.parse("/* ok */ function a(){}").print_to_string(options), "/* ok */function a(){}");
+            assert.strictEqual(UglifyJS.parse("/* ok */ function a(){}").print_to_string(options), "/* ok */function a(){}");
+        });
+
+        it("Should handle shebang and preamble correctly", function() {
+            var code = UglifyJS.minify("#!/usr/bin/node\nvar x = 10;", {
+                output: { preamble: "/* Build */" }
+            }).code;
+            assert.strictEqual(code, "#!/usr/bin/node\n/* Build */\nvar x=10;");
+        });
+
+        it("Should handle preamble without shebang correctly", function() {
+            var code = UglifyJS.minify("var x = 10;", {
+                output: { preamble: "/* Build */" }
+            }).code;
+            assert.strictEqual(code, "/* Build */\nvar x=10;");
+        });
+    });
+
+    describe("Huge number of comments.", function() {
+        it("Should parse and compress code with thousands of consecutive comments", function() {
+            var js = "function lots_of_comments(x) { return 7 -";
+            for (var i = 1; i <= 5000; ++i) js += "// " + i + "\n";
+            for (; i <= 10000; ++i) js += "/* " + i + " */ /**/";
+            js += "x; }";
+            var result = UglifyJS.minify(js, { mangle: false });
+            assert.strictEqual(result.code, "function lots_of_comments(x){return 7-x}");
+        });
+    });
+});

test/mocha/directives.js

@@ -1,9 +1,9 @@
 var assert = require("assert");
-var uglify = require("../node");
+var UglifyJS = require("../node");
 
 describe("Directives", function() {
     it ("Should allow tokenizer to store directives state", function() {
-        var tokenizer = uglify.tokenizer("", "foo.js");
+        var tokenizer = UglifyJS.tokenizer("", "foo.js");
 
         // Stack level 0
         assert.strictEqual(tokenizer.has_directive("use strict"), false);
@@ -161,13 +161,13 @@ describe("Directives", function() {
 
         for (var i = 0; i < tests.length; i++) {
             // Fail parser deliberately to get state at failure
-            var tokenizer = uglify.tokenizer(tests[i].input + "]", "foo.js");
+            var tokenizer = UglifyJS.tokenizer(tests[i].input + "]", "foo.js");
 
             try {
-                var parser = uglify.parse(tokenizer);
+                var parser = UglifyJS.parse(tokenizer);
                 throw new Error("Expected parser to fail");
             } catch (e) {
-                assert.strictEqual(e instanceof uglify.JS_Parse_Error, true);
+                assert.strictEqual(e instanceof UglifyJS.JS_Parse_Error, true);
                 assert.strictEqual(e.message, "Unexpected token: punc (])");
             }
 
@@ -186,7 +186,7 @@ describe("Directives", function() {
             ["'tests';\n\n", true],
             ["\n\n\"use strict\";\n\n", true]
         ].forEach(function(test) {
-            var out = uglify.OutputStream();
+            var out = UglifyJS.OutputStream();
             out.print(test[0]);
             out.print_string("", null, true);
             assert.strictEqual(out.get() === test[0] + ';""', test[1], test[0]);
@@ -195,7 +195,7 @@ describe("Directives", function() {
 
     it("Should only print 2 semicolons spread over 2 lines in beautify mode", function() {
         assert.strictEqual(
-            uglify.minify(
+            UglifyJS.minify(
                 '"use strict";\'use strict\';"use strict";"use strict";;\'use strict\';console.log(\'use strict\');',
                 {output: {beautify: true, quote_style: 3}, compress: false}
             ).code,
@@ -225,7 +225,7 @@ describe("Directives", function() {
 
         for (var i = 0; i < tests.length; i++) {
             assert.strictEqual(
-                uglify.minify(tests[i][0], {compress: false, mangle: false}).code,
+                UglifyJS.minify(tests[i][0], {compress: false, mangle: false}).code,
                 tests[i][1],
                 tests[i][0]
             );
@@ -233,7 +233,7 @@ describe("Directives", function() {
     });
 
     it("Should add double semicolon when relying on automatic semicolon insertion", function() {
-        var code = uglify.minify('"use strict";"use\\x20strict";',
+        var code = UglifyJS.minify('"use strict";"use\\x20strict";',
             {output: {semicolons: false}, compress: false}
         ).code;
         assert.strictEqual(code, '"use strict";;"use strict"\n');
@@ -340,7 +340,7 @@ describe("Directives", function() {
         ];
         for (var i = 0; i < tests.length; i++) {
             assert.strictEqual(
-                uglify.minify(tests[i][0], {output:{quote_style: tests[i][1]}, compress: false}).code,
+                UglifyJS.minify(tests[i][0], {output:{quote_style: tests[i][1]}, compress: false}).code,
                 tests[i][2],
                 tests[i][0] + " using mode " + tests[i][1]
             );
@@ -372,7 +372,7 @@ describe("Directives", function() {
 
         for (var i = 0; i < tests.length; i++) {
             assert.strictEqual(
-                uglify.minify(tests[i][0]).code,
+                UglifyJS.minify(tests[i][0]).code,
                 tests[i][1],
                 tests[i][0]
             );

test/mocha/getter-setter.js

@@ -1,5 +1,5 @@
-var UglifyJS = require("../node");
 var assert = require("assert");
+var UglifyJS = require("../node");
 
 describe("Getters and setters", function() {
     it("Should not accept operator symbols as getter/setter name", function() {

test/mocha/huge-number-of-comments.js

@@ -1,14 +0,0 @@
-var Uglify = require('../../');
-var assert = require("assert");
-
-describe("Huge number of comments.", function() {
-    it("Should parse and compress code with thousands of consecutive comments", function() {
-        var js = 'function lots_of_comments(x) { return 7 -';
-        var i;
-        for (i = 1; i <= 5000; ++i) { js += "// " + i + "\n"; }
-        for (; i <= 10000; ++i) { js += "/* " + i + " */ /**/"; }
-        js += "x; }";
-        var result = Uglify.minify(js, { mangle: false });
-        assert.strictEqual(result.code, "function lots_of_comments(x){return 7-x}");
-    });
-});

test/mocha/ie8.js

@@ -1,10 +1,10 @@
 var assert = require("assert");
-var uglify = require("../../");
+var UglifyJS = require("../..");
 
 describe("ie8", function() {
     it("Should be able to minify() with undefined as catch parameter in a try...catch statement", function() {
         assert.strictEqual(
-            uglify.minify([
+            UglifyJS.minify([
                 "function a(b){",
                 "    try {",
                 "        throw 'Stuff';",

test/mocha/input-sourcemaps.js

@@ -1,68 +0,0 @@
-var assert = require("assert");
-var Uglify = require("../../");
-var SourceMapConsumer = require("source-map").SourceMapConsumer;
-
-function getMap() {
-    return {
-        "version": 3,
-        "sources": ["index.js"],
-        "names": [],
-        "mappings": ";;AAAA,IAAI,MAAM,SAAN,GAAM;AAAA,SAAK,SAAS,CAAd;AAAA,CAAV;AACA,QAAQ,GAAR,CAAY,IAAI,KAAJ,CAAZ",
-        "file": "bundle.js",
-        "sourcesContent": ["let foo = x => \"foo \" + x;\nconsole.log(foo(\"bar\"));"]
-    };
-}
-
-function prepareMap(sourceMap) {
-    var code = [
-        '"use strict";',
-        "",
-        "var foo = function foo(x) {",
-        '  return "foo " + x;',
-        "};",
-        'console.log(foo("bar"));',
-        "",
-        "//# sourceMappingURL=bundle.js.map",
-    ].join("\n");
-    var result = Uglify.minify(code, {
-        sourceMap: {
-            content: sourceMap,
-            includeSources: true,
-        }
-    });
-    if (result.error) throw result.error;
-    return new SourceMapConsumer(result.map);
-}
-
-describe("input sourcemaps", function() {
-    it("Should copy over original sourcesContent", function() {
-        var orig = getMap();
-        var map = prepareMap(orig);
-        assert.equal(map.sourceContentFor("index.js"), orig.sourcesContent[0]);
-    });
-
-    it("Should copy sourcesContent if sources are relative", function() {
-        var relativeMap = getMap();
-        relativeMap.sources = ['./index.js'];
-        var map = prepareMap(relativeMap);
-        assert.notEqual(map.sourcesContent, null);
-        assert.equal(map.sourcesContent.length, 1);
-        assert.equal(map.sourceContentFor("index.js"), relativeMap.sourcesContent[0]);
-    });
-
-    it("Should not have invalid mappings from inputSourceMap (issue #882)", function() {
-        var map = prepareMap(getMap());
-        // The original source has only 2 lines, check that mappings don't have more lines
-        var msg = "Mapping should not have higher line number than the original file had";
-        map.eachMapping(function(mapping) {
-            assert.ok(mapping.originalLine <= 2, msg);
-        });
-        map.allGeneratedPositionsFor({
-            source: "index.js",
-            line: 1,
-            column: 1
-        }).forEach(function(pos) {
-            assert.ok(pos.line <= 2, msg);
-        });
-    });
-});

test/mocha/let.js

@@ -1,5 +1,5 @@
-var Uglify = require('../../');
 var assert = require("assert");
+var UglifyJS = require("../..");
 
 describe("let", function() {
     this.timeout(30000);
@@ -10,7 +10,7 @@ describe("let", function() {
             s += "var v" + i + "=0;";
         }
         s += '}';
-        var result = Uglify.minify(s, {
+        var result = UglifyJS.minify(s, {
             compress: false
         }).code;
 
@@ -39,7 +39,7 @@ describe("let", function() {
         for (var i = 0; i < 18000; i++) {
             s += "v.b" + i + ";";
         }
-        var result = Uglify.minify(s, {
+        var result = UglifyJS.minify(s, {
             compress: false,
             ie8: true,
             mangle: {

test/mocha/line-endings.js

@@ -1,5 +1,5 @@
-var Uglify = require("../node");
 var assert = require("assert");
+var UglifyJS = require("../node");
 
 describe("line-endings", function() {
     var options = {
@@ -14,19 +14,19 @@ describe("line-endings", function() {
 
     it("Should parse LF line endings", function() {
         var js = '/*!one\n2\n3*///comment\nfunction f(x) {\n if (x)\n//comment\n  return 3;\n}\n';
-        var result = Uglify.minify(js, options);
+        var result = UglifyJS.minify(js, options);
         assert.strictEqual(result.code, expected_code);
     });
 
     it("Should parse CR/LF line endings", function() {
         var js = '/*!one\r\n2\r\n3*///comment\r\nfunction f(x) {\r\n if (x)\r\n//comment\r\n  return 3;\r\n}\r\n';
-        var result = Uglify.minify(js, options);
+        var result = UglifyJS.minify(js, options);
         assert.strictEqual(result.code, expected_code);
     });
 
     it("Should parse CR line endings", function() {
         var js = '/*!one\r2\r3*///comment\rfunction f(x) {\r if (x)\r//comment\r  return 3;\r}\r';
-        var result = Uglify.minify(js, options);
+        var result = UglifyJS.minify(js, options);
         assert.strictEqual(result.code, expected_code);
     });
 
@@ -44,16 +44,15 @@ describe("line-endings", function() {
         ]
         var test = function(input) {
             return function() {
-                Uglify.parse(input);
+                UglifyJS.parse(input);
             }
         }
         var fail = function(e) {
-            return e instanceof Uglify.JS_Parse_Error &&
-                e.message === "Unexpected line terminator";
+            return e instanceof UglifyJS.JS_Parse_Error
+                && e.message === "Unexpected line terminator";
         }
         for (var i = 0; i < inputs.length; i++) {
             assert.throws(test(inputs[i]), fail);
         }
     });
 });
-

test/mocha/minify-file-map.js

@@ -1,22 +1,22 @@
-var Uglify = require('../../');
 var assert = require("assert");
+var UglifyJS = require("../..");
 
 describe("Input file as map", function() {
     it("Should accept object", function() {
         var jsMap = {
             '/scripts/foo.js': 'var foo = {"x": 1, y: 2, \'z\': 3};'
         };
-        var result = Uglify.minify(jsMap, {sourceMap: true});
+        var result = UglifyJS.minify(jsMap, {sourceMap: true});
 
         var map = JSON.parse(result.map);
         assert.strictEqual(result.code, 'var foo={x:1,y:2,z:3};');
         assert.deepEqual(map.sources, ['/scripts/foo.js']);
         assert.strictEqual(map.file, undefined);
 
-        result = Uglify.minify(jsMap);
+        result = UglifyJS.minify(jsMap);
         assert.strictEqual(result.map, undefined);
 
-        result = Uglify.minify(jsMap, {sourceMap: {filename: 'out.js'}});
+        result = UglifyJS.minify(jsMap, {sourceMap: {filename: 'out.js'}});
         map = JSON.parse(result.map);
         assert.strictEqual(map.file, 'out.js');
     });
@@ -26,7 +26,7 @@ describe("Input file as map", function() {
             'var foo = {"x": 1, y: 2, \'z\': 3};',
             'var bar = 15;'
         ];
-        var result = Uglify.minify(jsSeq, {sourceMap: true});
+        var result = UglifyJS.minify(jsSeq, {sourceMap: true});
 
         var map = JSON.parse(result.map);
         assert.strictEqual(result.code, 'var foo={x:1,y:2,z:3},bar=15;');
@@ -37,7 +37,7 @@ describe("Input file as map", function() {
         var jsMap = {
             '/scripts/foo.js': 'var foo = {"x": 1, y: 2, \'z\': 3};'
         };
-        var result = Uglify.minify(jsMap, {sourceMap: {includeSources: true}});
+        var result = UglifyJS.minify(jsMap, {sourceMap: {includeSources: true}});
 
         var map = JSON.parse(result.map);
         assert.strictEqual(result.code, 'var foo={x:1,y:2,z:3};');

test/mocha/minify.js

@@ -1,7 +1,7 @@
-var Uglify = require('../../');
 var assert = require("assert");
 var readFileSync = require("fs").readFileSync;
 var run_code = require("../sandbox").run_code;
+var UglifyJS = require("../../");
 
 function read(path) {
     return readFileSync(path, "utf8");
@@ -10,14 +10,14 @@ function read(path) {
 describe("minify", function() {
     it("Should test basic sanity of minify with default options", function() {
         var js = 'function foo(bar) { if (bar) return 3; else return 7; var u = not_called(); }';
-        var result = Uglify.minify(js);
+        var result = UglifyJS.minify(js);
         assert.strictEqual(result.code, 'function foo(n){return n?3:7}');
     });
 
     it("Should skip inherited keys from `files`", function() {
         var files = Object.create({ skip: this });
         files[0] = "alert(1 + 1)";
-        var result = Uglify.minify(files);
+        var result = UglifyJS.minify(files);
         assert.strictEqual(result.code, "alert(2);");
     });
 
@@ -32,7 +32,7 @@ describe("minify", function() {
             "qux.js",
         ].forEach(function(file) {
             var code = read("test/input/issue-1242/" + file);
-            var result = Uglify.minify(code, {
+            var result = UglifyJS.minify(code, {
                 mangle: {
                     cache: cache,
                     toplevel: true
@@ -65,7 +65,7 @@ describe("minify", function() {
             "qux.js",
         ].forEach(function(file) {
             var code = read("test/input/issue-1242/" + file);
-            var result = Uglify.minify(code, {
+            var result = UglifyJS.minify(code, {
                 mangle: {
                     toplevel: true
                 },
@@ -96,7 +96,7 @@ describe("minify", function() {
             '"xxyyy";var j={t:2,u:3},k=4;',
             'console.log(i.s,j.t,j.u,k);',
         ].forEach(function(code) {
-            var result = Uglify.minify(code, {
+            var result = UglifyJS.minify(code, {
                 compress: false,
                 mangle: {
                     properties: true,
@@ -117,15 +117,15 @@ describe("minify", function() {
     });
 
     it("Should not parse invalid use of reserved words", function() {
-        assert.strictEqual(Uglify.minify("function enum(){}").error, undefined);
-        assert.strictEqual(Uglify.minify("function static(){}").error, undefined);
-        assert.strictEqual(Uglify.minify("function this(){}").error.message, "Unexpected token: name (this)");
+        assert.strictEqual(UglifyJS.minify("function enum(){}").error, undefined);
+        assert.strictEqual(UglifyJS.minify("function static(){}").error, undefined);
+        assert.strictEqual(UglifyJS.minify("function this(){}").error.message, "Unexpected token: name (this)");
     });
 
     describe("keep_quoted_props", function() {
         it("Should preserve quotes in object literals", function() {
             var js = 'var foo = {"x": 1, y: 2, \'z\': 3};';
-            var result = Uglify.minify(js, {
+            var result = UglifyJS.minify(js, {
                 output: {
                     keep_quoted_props: true
                 }});
@@ -134,7 +134,7 @@ describe("minify", function() {
 
         it("Should preserve quote styles when quote_style is 3", function() {
             var js = 'var foo = {"x": 1, y: 2, \'z\': 3};';
-            var result = Uglify.minify(js, {
+            var result = UglifyJS.minify(js, {
                 output: {
                     keep_quoted_props: true,
                     quote_style: 3
@@ -144,7 +144,7 @@ describe("minify", function() {
 
         it("Should not preserve quotes in object literals when disabled", function() {
             var js = 'var foo = {"x": 1, y: 2, \'z\': 3};';
-            var result = Uglify.minify(js, {
+            var result = UglifyJS.minify(js, {
                 output: {
                     keep_quoted_props: false,
                     quote_style: 3
@@ -156,7 +156,7 @@ describe("minify", function() {
     describe("mangleProperties", function() {
         it("Shouldn't mangle quoted properties", function() {
             var js = 'a["foo"] = "bar"; a.color = "red"; x = {"bar": 10};';
-            var result = Uglify.minify(js, {
+            var result = UglifyJS.minify(js, {
                 compress: {
                     properties: false
                 },
@@ -174,7 +174,7 @@ describe("minify", function() {
                     'a["foo"]="bar",a.a="red",x={"bar":10};');
         });
         it("Should not mangle quoted property within dead code", function() {
-            var result = Uglify.minify('({ "keep": 1 }); g.keep = g.change;', {
+            var result = UglifyJS.minify('({ "keep": 1 }); g.keep = g.change;', {
                 mangle: {
                     properties: {
                         keep_quoted: true
@@ -188,7 +188,7 @@ describe("minify", function() {
 
     describe("#__PURE__", function() {
         it("should drop #__PURE__ hint after use", function() {
-            var result = Uglify.minify('//@__PURE__ comment1 #__PURE__ comment2\n foo(), bar();', {
+            var result = UglifyJS.minify('//@__PURE__ comment1 #__PURE__ comment2\n foo(), bar();', {
                 output: {
                     comments: "all",
                     beautify: false,
@@ -198,7 +198,7 @@ describe("minify", function() {
             assert.strictEqual(code, "//  comment1   comment2\nbar();");
         });
         it("should drop #__PURE__ hint if function is retained", function() {
-            var result = Uglify.minify("var a = /*#__PURE__*/(function(){ foo(); })();", {
+            var result = UglifyJS.minify("var a = /*#__PURE__*/(function(){ foo(); })();", {
                 output: {
                     comments: "all",
                     beautify: false,
@@ -211,7 +211,7 @@ describe("minify", function() {
 
     describe("JS_Parse_Error", function() {
         it("should return syntax error", function() {
-            var result = Uglify.minify("function f(a{}");
+            var result = UglifyJS.minify("function f(a{}");
             var err = result.error;
             assert.ok(err instanceof Error);
             assert.strictEqual(err.stack.split(/\n/)[0], "SyntaxError: Unexpected token punc «{», expected punc «,»");
@@ -220,7 +220,7 @@ describe("minify", function() {
             assert.strictEqual(err.col, 12);
         });
         it("should reject duplicated label name", function() {
-            var result = Uglify.minify("L:{L:{}}");
+            var result = UglifyJS.minify("L:{L:{}}");
             var err = result.error;
             assert.ok(err instanceof Error);
             assert.strictEqual(err.stack.split(/\n/)[0], "SyntaxError: Label L defined twice");
@@ -232,7 +232,7 @@ describe("minify", function() {
 
     describe("global_defs", function() {
         it("should throw for non-trivial expressions", function() {
-            var result = Uglify.minify("alert(42);", {
+            var result = UglifyJS.minify("alert(42);", {
                 compress: {
                     global_defs: {
                         "@alert": "debugger"
@@ -246,7 +246,7 @@ describe("minify", function() {
         it("should skip inherited properties", function() {
             var foo = Object.create({ skip: this });
             foo.bar = 42;
-            var result = Uglify.minify("alert(FOO);", {
+            var result = UglifyJS.minify("alert(FOO);", {
                 compress: {
                     global_defs: {
                         FOO: foo
@@ -266,7 +266,7 @@ describe("minify", function() {
                 "}",
                 "f();",
             ].join("\n");
-            var ast = Uglify.minify(code, {
+            var ast = UglifyJS.minify(code, {
                 compress: false,
                 mangle: false,
                 output: {
@@ -279,7 +279,7 @@ describe("minify", function() {
             assert.strictEqual(ast.body[0].body.length, 2);
             assert.strictEqual(ast.body[0].body[0].TYPE, "SimpleStatement");
             var stat = ast.body[0].body[0];
-            Uglify.minify(ast, {
+            UglifyJS.minify(ast, {
                 compress: {
                     sequences: false
                 },
@@ -294,7 +294,7 @@ describe("minify", function() {
         it("Should be repeatable", function() {
             var code = "!function(x){return x(x)}(y);";
             for (var i = 0; i < 2; i++) {
-                assert.strictEqual(Uglify.minify(code, {
+                assert.strictEqual(UglifyJS.minify(code, {
                     compress: {
                         toplevel: true,
                     },
@@ -307,7 +307,7 @@ describe("minify", function() {
     describe("enclose", function() {
         var code = read("test/input/enclose/input.js");
         it("Should work with true", function() {
-            var result = Uglify.minify(code, {
+            var result = UglifyJS.minify(code, {
                 compress: false,
                 enclose: true,
                 mangle: false,
@@ -316,7 +316,7 @@ describe("minify", function() {
             assert.strictEqual(result.code, '(function(){function enclose(){console.log("test enclose")}enclose()})();');
         });
         it("Should work with arg", function() {
-            var result = Uglify.minify(code, {
+            var result = UglifyJS.minify(code, {
                 compress: false,
                 enclose: 'undefined',
                 mangle: false,
@@ -325,7 +325,7 @@ describe("minify", function() {
             assert.strictEqual(result.code, '(function(undefined){function enclose(){console.log("test enclose")}enclose()})();');
         });
         it("Should work with arg:value", function() {
-            var result = Uglify.minify(code, {
+            var result = UglifyJS.minify(code, {
                 compress: false,
                 enclose: 'window,undefined:window',
                 mangle: false,
@@ -334,7 +334,7 @@ describe("minify", function() {
             assert.strictEqual(result.code, '(function(window,undefined){function enclose(){console.log("test enclose")}enclose()})(window);');
         });
         it("Should work alongside wrap", function() {
-            var result = Uglify.minify(code, {
+            var result = UglifyJS.minify(code, {
                 compress: false,
                 enclose: 'window,undefined:window',
                 mangle: false,

test/mocha/number-literal.js

@@ -1,5 +1,5 @@
 var assert = require("assert");
-var uglify = require("../node");
+var UglifyJS = require("../node");
 
 describe("Number literals", function() {
     it("Should not allow legacy octal literals in strict mode", function() {
@@ -9,11 +9,11 @@ describe("Number literals", function() {
         ];
         var test = function(input) {
             return function() {
-                uglify.parse(input);
+                UglifyJS.parse(input);
             }
         };
         var error = function(e) {
-            return e instanceof uglify.JS_Parse_Error
+            return e instanceof UglifyJS.JS_Parse_Error
                 && e.message === "Legacy octal literals are not allowed in strict mode";
         };
         for (var i = 0; i < inputs.length; i++) {

test/mocha/operator.js

@@ -1,5 +1,5 @@
-var UglifyJS = require("../node");
 var assert = require("assert");
+var UglifyJS = require("../..");
 
 describe("operator", function() {
     it("Should handle mixing of ++/+/--/- correctly", function() {

test/mocha/parentheses.js

@@ -1,5 +1,5 @@
 var assert = require("assert");
-var uglify = require("../../");
+var UglifyJS = require("../..");
 
 describe("parentheses", function() {
     it("Should add trailing parentheses for new expressions with zero arguments in beautify mode", function() {
@@ -33,7 +33,7 @@ describe("parentheses", function() {
         ];
         for (var i = 0; i < tests.length; i++) {
             assert.strictEqual(
-                uglify.minify(tests[i], {
+                UglifyJS.minify(tests[i], {
                     output: {beautify: true},
                     compress: false,
                     mangle: false
@@ -74,7 +74,7 @@ describe("parentheses", function() {
         ];
         for (var i = 0; i < tests.length; i++) {
             assert.strictEqual(
-                uglify.minify(tests[i], {
+                UglifyJS.minify(tests[i], {
                     output: {beautify: false},
                     compress: false,
                     mangle: false
@@ -94,7 +94,7 @@ describe("parentheses", function() {
             code = code.concat(code);
         }
         code = code.join("");
-        var result = uglify.minify(code, {
+        var result = UglifyJS.minify(code, {
             compress: false,
             mangle: false,
         });

test/mocha/sourcemaps.js

@@ -1,19 +1,52 @@
 var assert = require("assert");
 var readFileSync = require("fs").readFileSync;
-var Uglify = require("../../");
+var SourceMapConsumer = require("source-map").SourceMapConsumer;
+var UglifyJS = require("../..");
 
 function read(path) {
     return readFileSync(path, "utf8");
 }
 
 function source_map(code) {
-    return JSON.parse(Uglify.minify(code, {
+    return JSON.parse(UglifyJS.minify(code, {
         compress: false,
         mangle: false,
         sourceMap: true,
     }).map);
 }
 
+function get_map() {
+    return {
+        "version": 3,
+        "sources": ["index.js"],
+        "names": [],
+        "mappings": ";;AAAA,IAAI,MAAM,SAAN,GAAM;AAAA,SAAK,SAAS,CAAd;AAAA,CAAV;AACA,QAAQ,GAAR,CAAY,IAAI,KAAJ,CAAZ",
+        "file": "bundle.js",
+        "sourcesContent": ["let foo = x => \"foo \" + x;\nconsole.log(foo(\"bar\"));"]
+    };
+}
+
+function prepare_map(sourceMap) {
+    var code = [
+        '"use strict";',
+        "",
+        "var foo = function foo(x) {",
+        '  return "foo " + x;',
+        "};",
+        'console.log(foo("bar"));',
+        "",
+        "//# sourceMappingURL=bundle.js.map",
+    ].join("\n");
+    var result = UglifyJS.minify(code, {
+        sourceMap: {
+            content: sourceMap,
+            includeSources: true,
+        }
+    });
+    if (result.error) throw result.error;
+    return new SourceMapConsumer(result.map);
+}
+
 describe("sourcemaps", function() {
     it("Should give correct version", function() {
         var map = source_map("var x = 1 + 1;");
@@ -36,7 +69,7 @@ describe("sourcemaps", function() {
     });
 
     it("Should mark array/object literals", function() {
-        var result = Uglify.minify([
+        var result = UglifyJS.minify([
             "var obj = {};",
             "obj.wat([]);",
         ].join("\n"), {
@@ -50,7 +83,7 @@ describe("sourcemaps", function() {
 
     it("Should give correct sourceRoot", function() {
         var code = "console.log(42);";
-        var result = Uglify.minify(code, {
+        var result = UglifyJS.minify(code, {
             sourceMap: {
                 root: "//foo.bar/",
             },
@@ -61,8 +94,8 @@ describe("sourcemaps", function() {
     });
 
     describe("inSourceMap", function() {
-        it("Should read the given string filename correctly when sourceMapIncludeSources is enabled (#1236)", function() {
-            var result = Uglify.minify(read("./test/input/issue-1236/simple.js"), {
+        it("Should read the given string filename correctly when sourceMapIncludeSources is enabled", function() {
+            var result = UglifyJS.minify(read("./test/input/issue-1236/simple.js"), {
                 sourceMap: {
                     content: read("./test/input/issue-1236/simple.js.map"),
                     filename: "simple.min.js",
@@ -76,7 +109,7 @@ describe("sourcemaps", function() {
             assert.equal(map.sourcesContent[0], 'let foo = x => "foo " + x;\nconsole.log(foo("bar"));');
         });
         it("Should process inline source map", function() {
-            var result = Uglify.minify(read("./test/input/issue-520/input.js"), {
+            var result = UglifyJS.minify(read("./test/input/issue-520/input.js"), {
                 compress: { toplevel: true },
                 sourceMap: {
                     content: "inline",
@@ -88,13 +121,13 @@ describe("sourcemaps", function() {
             assert.strictEqual(result.code + "\n", readFileSync("test/input/issue-520/output.js", "utf8"));
         });
         it("Should warn for missing inline source map", function() {
-            var warn_function = Uglify.AST_Node.warn_function;
+            var warn_function = UglifyJS.AST_Node.warn_function;
             var warnings = [];
-            Uglify.AST_Node.warn_function = function(txt) {
+            UglifyJS.AST_Node.warn_function = function(txt) {
                 warnings.push(txt);
             };
             try {
-                var result = Uglify.minify(read("./test/input/issue-1323/sample.js"), {
+                var result = UglifyJS.minify(read("./test/input/issue-1323/sample.js"), {
                     mangle: false,
                     sourceMap: {
                         content: "inline"
@@ -104,17 +137,17 @@ describe("sourcemaps", function() {
                 assert.strictEqual(warnings.length, 1);
                 assert.strictEqual(warnings[0], "inline source map not found: 0");
             } finally {
-                Uglify.AST_Node.warn_function = warn_function;
+                UglifyJS.AST_Node.warn_function = warn_function;
             }
         });
         it("Should handle multiple input and inline source map", function() {
-            var warn_function = Uglify.AST_Node.warn_function;
+            var warn_function = UglifyJS.AST_Node.warn_function;
             var warnings = [];
-            Uglify.AST_Node.warn_function = function(txt) {
+            UglifyJS.AST_Node.warn_function = function(txt) {
                 warnings.push(txt);
             };
             try {
-                var result = Uglify.minify([
+                var result = UglifyJS.minify([
                     read("./test/input/issue-520/input.js"),
                     read("./test/input/issue-1323/sample.js"),
                 ], {
@@ -131,11 +164,11 @@ describe("sourcemaps", function() {
                 assert.strictEqual(warnings.length, 1);
                 assert.strictEqual(warnings[0], "inline source map not found: 1");
             } finally {
-                Uglify.AST_Node.warn_function = warn_function;
+                UglifyJS.AST_Node.warn_function = warn_function;
             }
         });
         it("Should drop source contents for includeSources=false", function() {
-            var result = Uglify.minify(read("./test/input/issue-520/input.js"), {
+            var result = UglifyJS.minify(read("./test/input/issue-520/input.js"), {
                 compress: false,
                 mangle: false,
                 sourceMap: {
@@ -146,7 +179,7 @@ describe("sourcemaps", function() {
             if (result.error) throw result.error;
             var map = JSON.parse(result.map);
             assert.strictEqual(map.sourcesContent.length, 1);
-            result = Uglify.minify(result.code, {
+            result = UglifyJS.minify(result.code, {
                 compress: false,
                 mangle: false,
                 sourceMap: {
@@ -161,7 +194,7 @@ describe("sourcemaps", function() {
 
     describe("sourceMapInline", function() {
         it("Should append source map to output js when sourceMapInline is enabled", function() {
-            var result = Uglify.minify('var a = function(foo) { return foo; };', {
+            var result = UglifyJS.minify('var a = function(foo) { return foo; };', {
                 sourceMap: {
                     url: "inline"
                 }
@@ -172,13 +205,13 @@ describe("sourcemaps", function() {
                 "//# sourceMappingURL=data:application/json;charset=utf-8;base64,eyJ2ZXJzaW9uIjozLCJzb3VyY2VzIjpbIjAiXSwibmFtZXMiOlsiYSIsImZvbyJdLCJtYXBwaW5ncyI6IkFBQUEsSUFBSUEsRUFBSSxTQUFTQyxHQUFPLE9BQU9BIn0=");
         });
         it("Should not append source map to output js when sourceMapInline is not enabled", function() {
-            var result = Uglify.minify('var a = function(foo) { return foo; };');
+            var result = UglifyJS.minify('var a = function(foo) { return foo; };');
             if (result.error) throw result.error;
             var code = result.code;
             assert.strictEqual(code, "var a=function(n){return n};");
         });
         it("Should work with max_line_len", function() {
-            var result = Uglify.minify(read("./test/input/issue-505/input.js"), {
+            var result = UglifyJS.minify(read("./test/input/issue-505/input.js"), {
                 output: {
                     max_line_len: 20
                 },
@@ -194,7 +227,7 @@ describe("sourcemaps", function() {
                 "var tëst = '→unicøde←';",
                 "alert(tëst);",
             ].join("\n");
-            var result = Uglify.minify(code, {
+            var result = UglifyJS.minify(code, {
                 sourceMap: {
                     includeSources: true,
                     url: "inline",
@@ -208,7 +241,7 @@ describe("sourcemaps", function() {
             map = JSON.parse(new Buffer(encoded, "base64").toString());
             assert.strictEqual(map.sourcesContent.length, 1);
             assert.strictEqual(map.sourcesContent[0], code);
-            result = Uglify.minify(result.code, {
+            result = UglifyJS.minify(result.code, {
                 sourceMap: {
                     content: "inline",
                     includeSources: true,
@@ -221,4 +254,37 @@ describe("sourcemaps", function() {
             assert.strictEqual(map.names[1], "alert");
         });
     });
+
+    describe("input sourcemaps", function() {
+        it("Should copy over original sourcesContent", function() {
+            var orig = get_map();
+            var map = prepare_map(orig);
+            assert.equal(map.sourceContentFor("index.js"), orig.sourcesContent[0]);
+        });
+
+        it("Should copy sourcesContent if sources are relative", function() {
+            var relativeMap = get_map();
+            relativeMap.sources = ['./index.js'];
+            var map = prepare_map(relativeMap);
+            assert.notEqual(map.sourcesContent, null);
+            assert.equal(map.sourcesContent.length, 1);
+            assert.equal(map.sourceContentFor("index.js"), relativeMap.sourcesContent[0]);
+        });
+
+        it("Should not have invalid mappings from inputSourceMap", function() {
+            var map = prepare_map(get_map());
+            // The original source has only 2 lines, check that mappings don't have more lines
+            var msg = "Mapping should not have higher line number than the original file had";
+            map.eachMapping(function(mapping) {
+                assert.ok(mapping.originalLine <= 2, msg);
+            });
+            map.allGeneratedPositionsFor({
+                source: "index.js",
+                line: 1,
+                column: 1
+            }).forEach(function(pos) {
+                assert.ok(pos.line <= 2, msg);
+            });
+        });
+    });
 });

test/mocha/spidermonkey.js

@@ -1,6 +1,6 @@
 var assert = require("assert");
 var exec = require("child_process").exec;
-var uglify = require("../node");
+var UglifyJS = require("../..");
 
 describe("spidermonkey export/import sanity test", function() {
     it("should produce a functional build when using --self with spidermonkey", function(done) {
@@ -25,9 +25,9 @@ describe("spidermonkey export/import sanity test", function() {
 
     it("should not add unnecessary escape slashes to regexps", function() {
         var input = "/[\\\\/]/;";
-        var ast = uglify.parse(input).to_mozilla_ast();
+        var ast = UglifyJS.parse(input).to_mozilla_ast();
         assert.equal(
-            uglify.AST_Node.from_mozilla_ast(ast).print_to_string(),
+            UglifyJS.AST_Node.from_mozilla_ast(ast).print_to_string(),
             input
         );
     });
@@ -99,10 +99,10 @@ describe("spidermonkey export/import sanity test", function() {
         var counter_directives;
         var counter_strings;
 
-        var checkWalker = new uglify.TreeWalker(function(node, descend) {
-            if (node instanceof uglify.AST_String) {
+        var checkWalker = new UglifyJS.TreeWalker(function(node, descend) {
+            if (node instanceof UglifyJS.AST_String) {
                 counter_strings++;
-            } else if (node instanceof uglify.AST_Directive) {
+            } else if (node instanceof UglifyJS.AST_Directive) {
                 counter_directives++;
             }
         });
@@ -111,9 +111,9 @@ describe("spidermonkey export/import sanity test", function() {
             counter_directives = 0;
             counter_strings = 0;
 
-            var ast = uglify.parse(tests[i].input);
+            var ast = UglifyJS.parse(tests[i].input);
             var moz_ast = ast.to_mozilla_ast();
-            var from_moz_ast = uglify.AST_Node.from_mozilla_ast(moz_ast);
+            var from_moz_ast = UglifyJS.AST_Node.from_mozilla_ast(moz_ast);
 
             from_moz_ast.walk(checkWalker);
 

test/mocha/string-literal.js

@@ -1,5 +1,5 @@
-var UglifyJS = require("../node");
 var assert = require("assert");
+var UglifyJS = require("../node");
 
 describe("String literals", function() {
     it("Should throw syntax error if a string literal contains a newline", function() {
@@ -18,8 +18,8 @@ describe("String literals", function() {
         };
 
         var error = function(e) {
-            return e instanceof UglifyJS.JS_Parse_Error &&
-                e.message === "Unterminated string constant";
+            return e instanceof UglifyJS.JS_Parse_Error
+                && e.message === "Unterminated string constant";
         };
 
         for (var input in inputs) {
@@ -48,8 +48,8 @@ describe("String literals", function() {
         };
 
         var error = function(e) {
-            return e instanceof UglifyJS.JS_Parse_Error &&
-                e.message === "Legacy octal escape sequences are not allowed in strict mode";
+            return e instanceof UglifyJS.JS_Parse_Error
+                && e.message === "Legacy octal escape sequences are not allowed in strict mode";
         }
 
         for (var input in inputs) {

test/mocha/tokens.js

@@ -1,32 +1,26 @@
-var UglifyJS = require("../node");
 var assert = require("assert");
+var UglifyJS = require("../..");
 
-describe("Accessor tokens", function() {
-    it("Should fill the token information for accessors (issue #1492)", function() {
+describe("tokens", function() {
+    it("Should give correct positions for accessors", function() {
         // location               0         1         2         3         4
         //                        01234567890123456789012345678901234567890123456789
         var ast = UglifyJS.parse("var obj = { get latest() { return undefined; } }");
-
         // test all AST_ObjectProperty tokens are set as expected
-        var checkedAST_ObjectProperty = false;
-        var checkWalker = new UglifyJS.TreeWalker(function(node, descend) {
+        var found = false;
+        ast.walk(new UglifyJS.TreeWalker(function(node) {
             if (node instanceof UglifyJS.AST_ObjectProperty) {
-                checkedAST_ObjectProperty = true;
-
+                found = true;
                 assert.equal(node.start.pos, 12);
                 assert.equal(node.end.endpos, 46);
-
                 assert(node.key instanceof UglifyJS.AST_SymbolAccessor);
                 assert.equal(node.key.start.pos, 16);
                 assert.equal(node.key.end.endpos, 22);
-
                 assert(node.value instanceof UglifyJS.AST_Accessor);
                 assert.equal(node.value.start.pos, 22);
                 assert.equal(node.value.end.endpos, 46);
-
             }
-        });
-        ast.walk(checkWalker);
-        assert(checkedAST_ObjectProperty, "AST_ObjectProperty not found");
+        }));
+        assert(found, "AST_ObjectProperty not found");
     });
-});
+});

test/mocha/with.js

@@ -1,20 +1,20 @@
 var assert = require("assert");
-var uglify = require("../node");
+var UglifyJS = require("../node");
 
 describe("With", function() {
     it("Should throw syntaxError when using with statement in strict mode", function() {
         var code = '"use strict";\nthrow NotEarlyError;\nwith ({}) { }';
         var test = function() {
-            uglify.parse(code);
+            UglifyJS.parse(code);
         }
         var error = function(e) {
-            return e instanceof uglify.JS_Parse_Error &&
-                e.message === "Strict mode may not include a with statement";
+            return e instanceof UglifyJS.JS_Parse_Error
+                && e.message === "Strict mode may not include a with statement";
         }
         assert.throws(test, error);
     });
     it("Should set uses_with for scopes involving With statements", function() {
-        var ast = uglify.parse("with(e) {f(1, 2)}");
+        var ast = UglifyJS.parse("with(e) {f(1, 2)}");
         ast.figure_out_scope();
         assert.equal(ast.uses_with, true);
         assert.equal(ast.body[0].expression.scope.uses_with, true);