test/built-ins/Array/prototype/lastIndexOf/15.4.4.15-2-17.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: 15.4.4.15-2-17
description: >
    Array.prototype.lastIndexOf applied to Arguments object which
    implements its own property get method
includes: [runTestCase.js]
---*/

function testcase() {

        var targetObj = function () { };
        var func = function (a, b) {
            arguments[2] = function () { };
            return Array.prototype.lastIndexOf.call(arguments, targetObj) === 1 &&
                Array.prototype.lastIndexOf.call(arguments, arguments[2]) === -1;
        };

        return func(0, targetObj);
    }
runTestCase(testcase);