js/src/tests/test262/built-ins/Array/prototype/lastIndexOf/15.4.4.15-5-6.js


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// Copyright (c) 2012 Ecma International.  All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
esid: sec-array.prototype.lastindexof
description: Array.prototype.lastIndexOf when 'fromIndex' isn't passed
---*/

var arr = [0, 1, 2, 3, 4];
//'fromIndex' will be set as 4 if not passed by default

assert.sameValue(arr.lastIndexOf(0), arr.lastIndexOf(0, 4), 'arr.lastIndexOf(0)');
assert.sameValue(arr.lastIndexOf(2), arr.lastIndexOf(2, 4), 'arr.lastIndexOf(2)');
assert.sameValue(arr.lastIndexOf(4), arr.lastIndexOf(4, 4), 'arr.lastIndexOf(4)');

reportCompare(0, 0);