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comparison: js/src/tests/test262/ch11/11.4/11.4.1/11.4.4-4.a-3-s.js
js/src/tests/test262/ch11/11.4/11.4.1/11.4.4-4.a-3-s.js
- branch
- TOR_BUG_3246
- changeset 6
- 8bccb770b82d
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| -1:000000000000 | 0:9c5254f5ed48 |
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| 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 ch11/11.4/11.4.1/11.4.4-4.a-3-s.js | |
| 11 * @description delete operator throws TypeError when deleting a non-configurable data property in strict mode | |
| 12 * @onlyStrict | |
| 13 */ | |
| 14 | |
| 15 | |
| 16 function testcase() { | |
| 17 'use strict'; | |
| 18 | |
| 19 var o = {}; | |
| 20 var desc = { value : 1 }; // all other attributes default to false | |
| 21 Object.defineProperty(o, "foo", desc); | |
| 22 | |
| 23 // Now, deleting o.foo should throw TypeError because [[Configurable]] on foo is false. | |
| 24 try { | |
| 25 delete o.foo; | |
| 26 return false; | |
| 27 } | |
| 28 catch (e) { | |
| 29 return (e instanceof TypeError); | |
| 30 } | |
| 31 } | |
| 32 runTestCase(testcase); |
