mirror of https://github.com/tc39/test262.git
36 lines
1.3 KiB
JavaScript
36 lines
1.3 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: 15.2.3.6-4-373
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description: >
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ES5 Attributes - success to update [[Configurable]] attribute of
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data property ([[Writable]] is false, [[Enumerable]] is false,
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[[Configurable]] is true) to different value
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includes: [runTestCase.js]
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---*/
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function testcase() {
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var obj = {};
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Object.defineProperty(obj, "prop", {
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value: 2010,
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writable: false,
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enumerable: false,
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configurable: true
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});
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var propertyDefineCorrect = obj.hasOwnProperty("prop");
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var desc1 = Object.getOwnPropertyDescriptor(obj, "prop");
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Object.defineProperty(obj, "prop", {
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configurable: false
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});
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var desc2 = Object.getOwnPropertyDescriptor(obj, "prop");
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return propertyDefineCorrect && desc1.configurable === true && obj.prop === 2010 && desc2.configurable === false;
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}
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runTestCase(testcase);
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