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20 lines
862 B
JavaScript
20 lines
862 B
JavaScript
/// Copyright (c) 2012 Ecma International. All rights reserved.
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/// Ecma International makes this code available under the terms and conditions set
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/// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the
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/// "Use Terms"). Any redistribution of this code must retain the above
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/// copyright and this notice and otherwise comply with the Use Terms.
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/**
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* @path ch15/15.4/15.4.4/15.4.4.15/15.4.4.15-5-6.js
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* @description Array.prototype.lastIndexOf when 'fromIndex' isn't passed
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*/
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function testcase() {
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var arr = [0, 1, 2, 3, 4];
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//'fromIndex' will be set as 4 if not passed by default
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return arr.lastIndexOf(0) === arr.lastIndexOf(0, 4) &&
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arr.lastIndexOf(2) === arr.lastIndexOf(2, 4) &&
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arr.lastIndexOf(4) === arr.lastIndexOf(4, 4);
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}
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runTestCase(testcase);
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