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32 lines
670 B
JavaScript
32 lines
670 B
JavaScript
// Copyright (c) 2012 Ecma International. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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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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---*/
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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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assert.sameValue(Object.isFrozen(child), false, 'Object.isFrozen(child)');
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