// 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. /*--- es5id: 15.2.3.6-4-584 description: ES5 Attributes - Failed to add property into object (Date instance) includes: [runTestCase.js] ---*/ function testcase() { var data = "data"; try { Object.defineProperty(Date.prototype, "prop", { get: function () { return data; }, set: function (value) { data = value; }, enumerable: true, configurable: true }); var dateObj = new Date(); dateObj.prop = "myOwnProperty"; return !dateObj.hasOwnProperty("prop") && dateObj.prop === "myOwnProperty" && data === "myOwnProperty"; } finally { delete Date.prototype.prop; } } runTestCase(testcase);