// 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: 15.2.3.6-3-76 description: > Object.defineProperty - 'configurable' property in 'Attributes' is an inherited data property (8.10.5 step 4.a) includes: [propertyHelper.js] ---*/ var obj = { }; var proto = { configurable: false }; var ConstructFun = function () { }; ConstructFun.prototype = proto; var child = new ConstructFun(); Object.defineProperty(obj, "property", child); var beforeDeleted = obj.hasOwnProperty("property"); delete obj.property; var afterDeleted = obj.hasOwnProperty("property"); return beforeDeleted && afterDeleted && typeof (obj.property) === "undefined"; }