/// 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 ch15/15.2/15.2.3/15.2.3.6/15.2.3.6-4-342.js * @description ES5 Attributes - property ([[Writable]] is true, [[Enumerable]] is false, [[Configurable]] is true) is deletable */ function testcase() { var obj = {}; Object.defineProperty(obj, "prop", { value: 2010, writable: true, enumerable: false, configurable: true }); var beforeDelete = obj.hasOwnProperty("prop"); delete obj.prop; var afterDelete = obj.hasOwnProperty("prop"); return beforeDelete && !afterDelete; } runTestCase(testcase);