mirror of https://github.com/tc39/test262.git
39 lines
1.1 KiB
JavaScript
39 lines
1.1 KiB
JavaScript
// 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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es5id: 15.2.3.12-2-a-2
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description: >
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Object.isFrozen - 'P' is own data property that overrides an
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inherited data property
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includes: [runTestCase.js]
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---*/
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function testcase() {
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var proto = {};
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Object.defineProperty(proto, "foo", {
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value: 9,
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writable: false,
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configurable: false
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});
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var Con = function () { };
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Con.prototype = proto;
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var child = new Con();
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Object.defineProperty(child, "foo", {
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value: 12,
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writable: true,
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configurable: false
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});
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Object.preventExtensions(child);
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return !Object.isFrozen(child);
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}
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runTestCase(testcase);
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