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/// 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 ch15/15.4/15.4.4/15.4.4.15/15.4.4.15-8-9.js
* @description Array.prototype.lastIndexOf must return correct index (Sparse Array)
*/
function testcase() {
var a = new Array(0,1);
a[4294967294] = 2; // 2^32-2 - is max array element index
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
// stop searching near the end in case implementation actually tries to test all missing elements!!
a[4294967200] = 3;
a[4294967201] = 4;
a[4294967202] = 5;
return (a.lastIndexOf(2) === 4294967294 &&
a.lastIndexOf(3) === 4294967200 &&
a.lastIndexOf(4) === 4294967201 &&
a.lastIndexOf(5) === 4294967202) ;
}
runTestCase(testcase);
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