mirror of https://github.com/tc39/test262.git
40 lines
1.2 KiB
JavaScript
40 lines
1.2 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: 15.2.3.6-4-24
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description: >
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Object.defineProperty - 'name' is own data property that overrides
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an inherited data property (8.12.9 step 1)
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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: 12,
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configurable: true
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});
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var ConstructFun = function () { };
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ConstructFun.prototype = proto;
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var obj = new ConstructFun();
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Object.defineProperty(obj, "foo", {
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value: 11,
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configurable: false
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});
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try {
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Object.defineProperty(obj, "foo", {
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configurable: true
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});
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return false;
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} catch (e) {
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return e instanceof TypeError && obj.foo === 11;
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}
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}
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runTestCase(testcase);
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