test/built-ins/Array/prototype/reduceRight/15.4.4.22-2-15.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: 15.4.4.22-2-15
description: >
    Array.prototype.reduceRight - 'length' is property of the global
    object
includes:
    - runTestCase.js
    - fnGlobalObject.js
---*/

function testcase() {

        var accessed = false;

        function callbackfn(prevVal, curVal, idx, obj) {
            accessed = true;
            return obj.length === fnGlobalObject().length;
        }

        try {
            var oldLen = fnGlobalObject().length;
            fnGlobalObject()[0] = 12;
            fnGlobalObject()[1] = 11;
            fnGlobalObject()[2] = 9;
            fnGlobalObject().length = 2;
            return Array.prototype.reduceRight.call(fnGlobalObject(), callbackfn, 111) && accessed;
        } finally {
            delete fnGlobalObject()[0];
            delete fnGlobalObject()[1];
            delete fnGlobalObject()[2];
            fnGlobalObject().length = oldLen;
        }
    }
runTestCase(testcase);