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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.
/**
* note that prior to the finally ES5 draft SameValue was used for comparisions
* and hence NaNs could be found using lastIndexOf *
*
* @path ch15/15.4/15.4.4/15.4.4.15/15.4.4.15-8-10.js
* @description Array.prototype.lastIndexOf must return correct index (NaN)
*/
function testcase() {
var _NaN = NaN;
var a = new Array("NaN",_NaN,NaN, undefined,0,false,null,{toString:function (){return NaN}},"false");
if (a.lastIndexOf(NaN) === -1) // NaN matches nothing, not even itself
{
return true;
}
}
runTestCase(testcase);
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