/// 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 ch15/15.2/15.2.3/15.2.3.4/15.2.3.4-4-40.js * @description Object.getOwnPropertyNames - inherited data property of String object 'O' is not pushed into the returned array */ function testcase() { try { var str = new String("abc"); String.prototype.protoProperty = "protoString"; var result = Object.getOwnPropertyNames(str); for (var p in result) { if (result[p] === "protoProperty") { return false; } } return true; } finally { delete String.prototype.protoProperty; } } runTestCase(testcase);