/// Copyright (c) 2012 Ecma International.  All rights reserved. 
/**
 * @path ch15/15.4/15.4.4/15.4.4.22/15.4.4.22-8-b-iii-1-20.js
 * @description Array.prototype.reduceRight - element to be retrieved is own accessor property without a get function that overrides an inherited accessor property on an Array
 */


function testcase() {

        var testResult = false;
        function callbackfn(prevVal, curVal, idx, obj) {
            if (idx === 1) {
                testResult = (typeof prevVal === "undefined");
            }
        }

        try {
            Array.prototype[2] = 2;
            var arr = [0, 1];
            Object.defineProperty(arr, "2", {
                set: function () { },
                configurable: true
            });

            arr.reduceRight(callbackfn);
            return testResult;

        } finally {
            delete Array.prototype[2];
        }
    }
runTestCase(testcase);
