// 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: 15.2.3.6-3-104 description: > Object.defineProperty - 'configurable' property in 'Attributes' is +0 (8.10.5 step 4.b) includes: [propertyHelper.js] ---*/ var obj = {}; Object.defineProperty(obj, "property", { configurable: +0 }); var beforeDeleted = obj.hasOwnProperty("property"); delete obj.property; var afterDeleted = obj.hasOwnProperty("property") && typeof (obj.property) === "undefined"; return beforeDeleted === true && afterDeleted === true; }