| // Copyright (c) 2012 Ecma International. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| |
| /*--- |
| es5id: 15.2.3.6-4-194 |
| description: > |
| Object.defineProperty - 'O' is an Array, 'name' is an array index |
| named property, 'name' is own accessor property, test TypeError is |
| thrown on updating the configurable attribute from false to true |
| (15.4.5.1 step 4.c) |
| includes: [propertyHelper.js] |
| ---*/ |
| |
| var arrObj = []; |
| var getFunc = function() { |
| return 11; |
| }; |
| |
| Object.defineProperty(arrObj, "0", { |
| get: getFunc, |
| configurable: false |
| }); |
| |
| try { |
| Object.defineProperty(arrObj, "0", { |
| configurable: true |
| }); |
| $ERROR("Expected an exception."); |
| } catch (e) { |
| verifyEqualTo(arrObj, "0", getFunc()); |
| |
| verifyNotEnumerable(arrObj, "0"); |
| |
| verifyNotConfigurable(arrObj, "0"); |
| |
| if (!(e instanceof TypeError)) { |
| $ERROR("Expected TypeError, got " + e.name); |
| } |
| |
| } |