mirror of https://github.com/tc39/test262.git
34 lines
1.0 KiB
JavaScript
34 lines
1.0 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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es5id: 15.2.3.9-2-a-2
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description: >
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Object.freeze - '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 = { foo: 0 }; // default [[Configurable]] attribute value of foo: true
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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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child.foo = 10; // default [[Configurable]] attribute value of foo: true
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Object.freeze(child);
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var desc = Object.getOwnPropertyDescriptor(child, "foo");
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delete child.foo;
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return child.foo === 10 && desc.configurable === false && desc.writable === false;
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}
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runTestCase(testcase);
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