|
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 * Refer 11.1.5; |
|
8 * The production |
|
9 * PropertyNameAndValueList : PropertyNameAndValueList , PropertyAssignment |
|
10 * 5.Call the [[DefineOwnProperty]] internal method of obj with arguments propId.name, propId.descriptor, and false. |
|
11 * |
|
12 * @path ch11/11.1/11.1.5/11.1.5_4-5-1.js |
|
13 * @description Object initialization using PropertyNameAndValueList (PropertyNameAndValueList , PropertyAssignment) when property (read-only) exists in Object.prototype (Step 5) |
|
14 */ |
|
15 |
|
16 |
|
17 function testcase() { |
|
18 try { |
|
19 Object.defineProperty(Object.prototype, "prop2", { |
|
20 value: 100, |
|
21 writable: false, |
|
22 configurable: true |
|
23 }); |
|
24 |
|
25 var obj = { prop1: 101, prop2: 12 }; |
|
26 |
|
27 return obj.hasOwnProperty("prop2"); |
|
28 } finally { |
|
29 delete Object.prototype.prop2; |
|
30 } |
|
31 } |
|
32 runTestCase(testcase); |