mirror of https://github.com/tc39/test262.git
36 lines
1.2 KiB
JavaScript
36 lines
1.2 KiB
JavaScript
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// Copyright (c) 2012 Ecma International. All rights reserved.
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// Ecma International makes this code available under the terms and conditions set
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// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the
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// "Use Terms"). Any redistribution of this code must retain the above
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// copyright and this notice and otherwise comply with the Use Terms.
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/*---
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info: >
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Refer 11.1.5;
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The production
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PropertyNameAndValueList : PropertyAssignment
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3.Call the [[DefineOwnProperty]] internal method of obj with arguments propId.name, propId.descriptor, and false.
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es5id: 11.1.5_3-3-1
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description: >
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Object initialization using PropertyNameAndValueList
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(PropertyAssignment) when property (read-only) exists in
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Object.prototype (step 3)
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includes: [runTestCase.js]
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---*/
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function testcase() {
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try {
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Object.defineProperty(Object.prototype, "prop", {
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value: 100,
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writable: false,
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configurable: true
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});
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var obj = { prop: 12 };
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return obj.hasOwnProperty("prop") && obj.prop === 12;
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} finally {
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delete Object.prototype.prop;
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}
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}
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runTestCase(testcase);
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