/// 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 ch15/15.4/15.4.4/15.4.4.14/15.4.4.14-9-9.js * @description Array.prototype.indexOf must return correct index (Sparse Array) */ function testcase() { var a = new Array(0,1); a[4294967294] = 2; // 2^32-2 - is max array element a[4294967295] = 3; // 2^32-1 added as non-array element property a[4294967296] = 4; // 2^32 added as non-array element property a[4294967297] = 5; // 2^32+1 added as non-array element property // start searching near the end so in case implementation actually tries to test all missing elements!! return (a.indexOf(2,4294967290 ) === 4294967294 && a.indexOf(3,4294967290) === -1 && a.indexOf(4,4294967290) === -1 && a.indexOf(5,4294967290) === -1 ) ; } runTestCase(testcase);