// 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: 15.2.3.6-4-23 description: > Object.defineProperty - 'name' is existing an inherited data property (8.12.9 step 1) includes: [runTestCase.js] ---*/ function testcase() { var proto = {}; Object.defineProperty(proto, "foo", { value: 11, configurable: false }); var ConstructFun = function () {}; ConstructFun.prototype = proto; var obj = new ConstructFun(); Object.defineProperty(obj, "foo", { configurable: true }); return obj.hasOwnProperty("foo") && (typeof obj.foo) === "undefined"; } runTestCase(testcase);