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comparison: js/src/tests/test262/ch10/10.6/10.6-13-a-1.js
js/src/tests/test262/ch10/10.6/10.6-13-a-1.js
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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 * @path ch10/10.6/10.6-13-a-1.js | |
| 8 * @description In non-strict mode, arguments object should have its own 'callee' property defined (Step 13.a) | |
| 9 */ | |
| 10 | |
| 11 | |
| 12 function testcase() { | |
| 13 try { | |
| 14 Object.defineProperty(Object.prototype, "callee", { | |
| 15 value: 1, | |
| 16 writable: false, | |
| 17 configurable: true | |
| 18 }); | |
| 19 | |
| 20 var argObj = (function () { return arguments })(); | |
| 21 | |
| 22 var verifyValue = false; | |
| 23 verifyValue = typeof argObj.callee === "function"; | |
| 24 | |
| 25 var verifyWritable = false; | |
| 26 argObj.callee = 1001; | |
| 27 verifyWritable = (argObj.callee === 1001); | |
| 28 | |
| 29 var verifyEnumerable = false; | |
| 30 for (var p in argObj) { | |
| 31 if (p === "callee" && argObj.hasOwnProperty("callee")) { | |
| 32 verifyEnumerable = true; | |
| 33 } | |
| 34 } | |
| 35 | |
| 36 var verifyConfigurable = false; | |
| 37 delete argObj.callee; | |
| 38 verifyConfigurable = argObj.hasOwnProperty("callee"); | |
| 39 | |
| 40 return verifyValue && verifyWritable && !verifyEnumerable && !verifyConfigurable; | |
| 41 } finally { | |
| 42 delete Object.prototype.callee; | |
| 43 } | |
| 44 } | |
| 45 runTestCase(testcase); |
