// Copyright (c) 2012 Ecma International. All rights reserved. // Ecma International makes this code available under the terms and conditions set // forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the // "Use Terms"). Any redistribution of this code must retain the above // copyright and this notice and otherwise comply with the Use Terms. /*--- description: > ES5 Attributes - success to update [[Enumerable]] attribute of data property ([[Writable]] is true, [[Enumerable]] is false, [[Configurable]] is true) to different value includes: [runTestCase.js] ---*/ function testcase() { var obj = {}; Object.defineProperty(obj, "prop", { value: 2010, writable: true, enumerable: false, configurable: true }); var propertyDefineCorrect = obj.hasOwnProperty("prop"); var desc1 = Object.getOwnPropertyDescriptor(obj, "prop"); Object.defineProperty(obj, "prop", { enumerable: true }); var desc2 = Object.getOwnPropertyDescriptor(obj, "prop"); return propertyDefineCorrect && desc1.enumerable === false && obj.prop === 2010 && desc2.enumerable === true; } runTestCase(testcase);