/// 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 ch15/15.2/15.2.3/15.2.3.6/15.2.3.6-4-586.js * @description ES5 Attributes - Fail to update value of property into of [[Proptotype]] internal property (JSON) */ function testcase() { var data = "data"; try { Object.defineProperty(Object.prototype, "prop", { get: function () { return data; }, enumerable: false, configurable: true }); JSON.prop = "myOwnProperty"; return !JSON.hasOwnProperty("prop") && JSON.prop === "data" && data === "data"; } finally { delete Object.prototype.prop; } } runTestCase(testcase);