/// 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. /** * @path ch15/15.2/15.2.3/15.2.3.6/15.2.3.6-4-490.js * @description ES5 Attributes - fail to update [[Set]] attribute of accessor property ([[Get]] is undefined, [[Set]] is a Function, [[Enumerable]] is false, [[Configurable]] is false) to different value */ function testcase() { var obj = {}; var verifySetFunc = "data"; var setFunc = function (value) { verifySetFunc = value; }; Object.defineProperty(obj, "prop", { get: undefined, set: setFunc, enumerable: false, configurable: false }); var desc1 = Object.getOwnPropertyDescriptor(obj, "prop"); try { Object.defineProperty(obj, "prop", { set: undefined }); return false; } catch (e) { var desc2 = Object.getOwnPropertyDescriptor(obj, "prop"); return desc1.set === setFunc && desc2.set === setFunc && e instanceof TypeError; } } runTestCase(testcase);