js/src/tests/test262/ch11/11.1/11.1.5/11.1.5_4-5-1.js

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TOR_BUG_3246
changeset 6
8bccb770b82d
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-1:000000000000 0:91a353674c2a
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);

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