js/src/tests/test262/ch13/13.2/13.2-17-1.js@6474c204b198 (annotated)
js/src/tests/test262/ch13/13.2/13.2-17-1.js
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | /// Copyright (c) 2012 Ecma International. All rights reserved. |
| michael@0 | 2 | /// Ecma International makes this code available under the terms and conditions set |
| michael@0 | 3 | /// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the |
| michael@0 | 4 | /// "Use Terms"). Any redistribution of this code must retain the above |
| michael@0 | 5 | /// copyright and this notice and otherwise comply with the Use Terms. |
| michael@0 | 6 | /** |
| michael@0 | 7 | * @path ch13/13.2/13.2-17-1.js |
| michael@0 | 8 | * @description Function Object has 'constructor' as its own property, it is not enumerable and does not invoke the setter defined on Function.prototype.constructor (Step 17) |
| michael@0 | 9 | */ |
| michael@0 | 10 | |
| michael@0 | 11 | |
| michael@0 | 12 | function testcase() { |
| michael@0 | 13 | var desc = Object.getOwnPropertyDescriptor(Object.prototype, "constructor"); |
| michael@0 | 14 | try { |
| michael@0 | 15 | var getFunc = function () { |
| michael@0 | 16 | return 100; |
| michael@0 | 17 | }; |
| michael@0 | 18 | |
| michael@0 | 19 | var data = "data"; |
| michael@0 | 20 | var setFunc = function (value) { |
| michael@0 | 21 | data = value; |
| michael@0 | 22 | }; |
| michael@0 | 23 | |
| michael@0 | 24 | Object.defineProperty(Object.prototype, "constructor", { |
| michael@0 | 25 | get: getFunc, |
| michael@0 | 26 | set: setFunc, |
| michael@0 | 27 | configurable: true |
| michael@0 | 28 | }); |
| michael@0 | 29 | |
| michael@0 | 30 | var fun = function () {}; |
| michael@0 | 31 | |
| michael@0 | 32 | var verifyValue = false; |
| michael@0 | 33 | verifyValue = typeof fun.prototype.constructor === "function"; |
| michael@0 | 34 | |
| michael@0 | 35 | var verifyEnumerable = false; |
| michael@0 | 36 | for (var p in fun.prototype) { |
| michael@0 | 37 | if (p === "constructor" && fun.prototype.hasOwnProperty("constructor")) { |
| michael@0 | 38 | verifyEnumerable = true; |
| michael@0 | 39 | } |
| michael@0 | 40 | } |
| michael@0 | 41 | |
| michael@0 | 42 | var verifyWritable = false; |
| michael@0 | 43 | fun.prototype.constructor = 12; |
| michael@0 | 44 | verifyWritable = (fun.prototype.constructor === 12); |
| michael@0 | 45 | |
| michael@0 | 46 | var verifyConfigurable = false; |
| michael@0 | 47 | delete fun.prototype.constructor; |
| michael@0 | 48 | verifyConfigurable = fun.hasOwnProperty("constructor"); |
| michael@0 | 49 | |
| michael@0 | 50 | return verifyValue && verifyWritable && !verifyEnumerable && !verifyConfigurable && data === "data"; |
| michael@0 | 51 | } finally { |
| michael@0 | 52 | Object.defineProperty(Object.prototype, "constructor", desc); |
| michael@0 | 53 | } |
| michael@0 | 54 | } |
| michael@0 | 55 | runTestCase(testcase); |
