| // Copyright (c) 2012 Ecma International. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| |
| /*--- |
| es5id: 15.2.3.6-4-192 |
| description: > |
| Object.defineProperty - 'O' is an Array, 'name' is an array index |
| named property, 'name' is own data property that overrides an |
| inherited data property, test TypeError is thrown on updating the |
| [[Configurable]] attribute from false to true (15.4.5.1 step 4.c) |
| ---*/ |
| |
| var arrObj = []; |
| |
| assert.throws(TypeError, function() { |
| Object.defineProperty(Array.prototype, "0", { |
| value: 11, |
| configurable: true |
| }); |
| |
| Object.defineProperty(arrObj, "0", { |
| value: 12, |
| configurable: false |
| }); |
| |
| Object.defineProperty(arrObj, "0", { |
| configurable: true |
| }); |
| }); |
| assert.sameValue(Array.prototype[0], 11, 'Array.prototype[0]'); |
| assert.sameValue(arrObj[0], 12, 'arrObj[0]'); |