| // Copyright (c) 2012 Ecma International. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| |
| /*--- |
| es5id: 15.2.3.7-6-a-238 |
| description: > |
| Object.defineProperties - TypeError is thrown if 'O' is an Array, |
| 'P' is an array index named property that already exists on 'O' is |
| data property with [[Configurable]], [[Writable]] false, 'desc' |
| is data descriptor, [[Value]] field of 'desc' and the [[Value]] |
| attribute value of 'P' are two strings with different values |
| (15.4.5.1 step 4.c) |
| includes: [propertyHelper.js] |
| ---*/ |
| |
| var arr = []; |
| |
| Object.defineProperty(arr, "1", { |
| value: "abcd" |
| }); |
| |
| try { |
| Object.defineProperties(arr, { |
| "1": { |
| value: "efgh" |
| } |
| }); |
| throw new Test262Error("Expected an exception."); |
| } catch (e) { |
| verifyEqualTo(arr, "1", "abcd"); |
| |
| verifyNotWritable(arr, "1"); |
| |
| verifyNotEnumerable(arr, "1"); |
| |
| verifyNotConfigurable(arr, "1"); |
| |
| if (!(e instanceof TypeError)) { |
| throw new Test262Error("Expected TypeError, got " + e); |
| } |
| |
| } |