106 lines
3.7 KiB
JavaScript
106 lines
3.7 KiB
JavaScript
var assert = require("assert");
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var uglify = require("../../");
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describe("parentheses", function() {
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it("Should add trailing parentheses for new expressions with zero arguments in beautify mode", function() {
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var tests = [
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"new x(1);",
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"new x;",
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"new new x;",
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"new (function(foo){this.foo=foo;})(1);",
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"new (function(foo){this.foo=foo;})();",
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"new (function test(foo){this.foo=foo;})(1);",
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"new (function test(foo){this.foo=foo;})();",
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"new true;",
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"new (0);",
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"new (!0);",
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"new (bar = function(foo) {this.foo=foo;})(123);",
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"new (bar = function(foo) {this.foo=foo;})();"
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];
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var expected = [
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"new x(1);",
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"new x();",
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"new new x()();",
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"new function(foo) {\n this.foo = foo;\n}(1);",
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"new function(foo) {\n this.foo = foo;\n}();",
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"new function test(foo) {\n this.foo = foo;\n}(1);",
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"new function test(foo) {\n this.foo = foo;\n}();",
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"new true();",
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"new 0();",
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"new (!0)();",
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"new (bar = function(foo) {\n this.foo = foo;\n})(123);",
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"new (bar = function(foo) {\n this.foo = foo;\n})();"
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];
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for (var i = 0; i < tests.length; i++) {
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assert.strictEqual(
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uglify.minify(tests[i], {
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output: {beautify: true},
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compress: false,
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mangle: false
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}).code,
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expected[i]
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);
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}
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});
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it("Should not add trailing parentheses for new expressions with zero arguments in non-beautify mode", function() {
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var tests = [
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"new x(1);",
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"new x;",
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"new new x;",
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"new (function(foo){this.foo=foo;})(1);",
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"new (function(foo){this.foo=foo;})();",
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"new (function test(foo){this.foo=foo;})(1);",
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"new (function test(foo){this.foo=foo;})();",
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"new true;",
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"new (0);",
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"new (!0);",
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"new (bar = function(foo) {this.foo=foo;})(123);",
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"new (bar = function(foo) {this.foo=foo;})();"
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];
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var expected = [
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"new x(1);",
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"new x;",
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"new(new x);",
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"new function(foo){this.foo=foo}(1);",
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"new function(foo){this.foo=foo};",
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"new function test(foo){this.foo=foo}(1);",
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"new function test(foo){this.foo=foo};",
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"new true;",
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"new 0;",
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"new(!0);",
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"new(bar=function(foo){this.foo=foo})(123);",
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"new(bar=function(foo){this.foo=foo});"
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];
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for (var i = 0; i < tests.length; i++) {
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assert.strictEqual(
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uglify.minify(tests[i], {
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output: {beautify: false},
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compress: false,
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mangle: false
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}).code,
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expected[i]
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);
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}
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});
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it("Should compress leading parenthesis with reasonable performance", function() {
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this.timeout(30000);
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var code = [
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"({}?0:1)&&x();",
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"(function(){}).name;",
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];
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for (var i = 16; --i >= 0;) {
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[].push.apply(code, code);
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}
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code = code.join("");
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var result = uglify.minify(code, {
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compress: false,
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mangle: false,
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});
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if (result.error) throw result.error;
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// Dismal performance for `assert.strictEqual()` in Node.js 6
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assert.ok(result.code === code);
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});
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});
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