/// 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 ch15/15.4/15.4.4/15.4.4.10/15.4.4.10-10-c-ii-1.js * @description Array.prototype.slice will slice a string from start to end when index property (read-only) exists in Array.prototype (Step 10.c.ii) */ function testcase() { var arrObj = [1, 2, 3]; try { Object.defineProperty(Array.prototype, "0", { value: "test", writable: false, configurable: true }); var newArr = arrObj.slice(0, 1); return newArr.hasOwnProperty("0") && newArr[0] === 1 && typeof newArr[1] === "undefined"; } finally { delete Array.prototype[0]; } } runTestCase(testcase);