test/built-ins/Array/prototype/lastIndexOf/15.4.4.15-5-15.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: 15.4.4.15-5-15
description: >
    Array.prototype.lastIndexOf - value of 'fromIndex' is a string
    containing a negative number
includes: [runTestCase.js]
---*/

function testcase() {

        return [0, "-2", 2].lastIndexOf("-2", "-2") === 1 &&
            [0, 2, "-2"].lastIndexOf("-2", "-2") === -1;
    }
runTestCase(testcase);