test/suite/ch15/15.4/15.4.4/15.4.4.15/15.4.4.15-3-4.js


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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.

/*---
es5id: 15.4.4.15-3-4
description: >
    Array.prototype.lastIndexOf - value of 'length' is a number (value
    is -0)
includes: [runTestCase.js]
---*/

function testcase() {

        var obj = { 0: true, length: -0 };

        return Array.prototype.lastIndexOf.call(obj, true) === -1;
    }
runTestCase(testcase);