/// 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 ch15/15.2/15.2.3/15.2.3.4/15.2.3.4-4-b-6.js * @description Object.getOwnPropertyNames - elements of the returned array are configurable */ function testcase() { var obj = { "a": "a" }; var result = Object.getOwnPropertyNames(obj); var beforeDeleted = (result.hasOwnProperty("0")); delete result[0]; var afterDeleted = (result.hasOwnProperty("0")); return beforeDeleted && !afterDeleted; } runTestCase(testcase);