The Tor Browser / file comparison
comparison: js/src/tests/test262/ch11/11.4/11.4.1/11.4.1-4.a-10.js
js/src/tests/test262/ch11/11.4/11.4.1/11.4.1-4.a-10.js
- branch
- TOR_BUG_3246
- changeset 6
- 8bccb770b82d
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| -1:000000000000 | 0:ba5f0d46e742 |
|---|---|
| 1 /// Copyright (c) 2012 Ecma International. All rights reserved. | |
| 2 /// Ecma International makes this code available under the terms and conditions set | |
| 3 /// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the | |
| 4 /// "Use Terms"). Any redistribution of this code must retain the above | |
| 5 /// copyright and this notice and otherwise comply with the Use Terms. | |
| 6 /** | |
| 7 * This test is actually testing the [[Delete]] internal method (8.12.8). Since the | |
| 8 * language provides no way to directly exercise [[Delete]], the tests are placed here. | |
| 9 * | |
| 10 * @path ch11/11.4/11.4.1/11.4.1-4.a-10.js | |
| 11 * @description delete operator returns true for property (stringify) defined on built-in object (JSON) | |
| 12 */ | |
| 13 | |
| 14 | |
| 15 function testcase() { | |
| 16 try { | |
| 17 var o = JSON.stringify; | |
| 18 var desc; | |
| 19 try { | |
| 20 desc = Object.getOwnPropertyDescriptor(JSON, 'stringify') | |
| 21 } | |
| 22 catch (e) { | |
| 23 }; | |
| 24 var d = delete JSON.stringify; | |
| 25 if (d === true && JSON.stringify === undefined) { | |
| 26 return true; | |
| 27 } | |
| 28 } finally { | |
| 29 if (desc) Object.defineProperty(JSON, 'stringify', desc) | |
| 30 else JSON.stringify = o /* this branch messes up the attributes */; | |
| 31 } | |
| 32 } | |
| 33 runTestCase(testcase); |
