test/built-ins/Array/prototype/lastIndexOf/15.4.4.15-5-1.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.

/*---
es5id: 15.4.4.15-5-1
description: Array.prototype.lastIndexOf when fromIndex is string
---*/

  var a = new Array(0,1,1);

assert.sameValue(a.lastIndexOf(1,"1"), 1, '"1" resolves to 1');
assert.sameValue(a.lastIndexOf(1,"one"), -1, 'NaN string resolves to 01');