// Copyright (c) 2012 Ecma International. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- es5id: 15.2.3.6-4-25 description: > Object.defineProperty - 'data' is own data property that overrides an inherited accessor property (8.12.9 step 1) includes: [runTestCase.js] ---*/ function testcase() { var proto = {}; Object.defineProperty(proto, "foo", { get: function () { }, configurable: true }); var ConstructFun = function () { }; ConstructFun.prototype = proto; var obj = new ConstructFun(); Object.defineProperty(obj, "foo", { value: 11, configurable: false }); try { Object.defineProperty(obj, "foo", { configurable: true }); return false; } catch (e) { return e instanceof TypeError && obj.foo === 11; } } runTestCase(testcase);