test/suite/ch15/15.4/15.4.4/15.4.4.21/15.4.4.21-8-b-iii-1-3.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.
/**
 * @path ch15/15.4/15.4.4/15.4.4.21/15.4.4.21-8-b-iii-1-3.js
 * @description Array.prototype.reduce - element to be retrieved is own data property that overrides an inherited data property on an Array-like object
 */


function testcase() {

        var testResult = false;
        function callbackfn(prevVal, curVal, idx, obj) {
            if (idx === 1) {
                testResult = (prevVal === "9");
            }
        }

        var proto = { 0: 0, 1: 1, 2: 2, length: 3 };
        var Con = function () { };
        Con.prototype = proto;

        var child = new Con();
        child[0] = "9";
        child[1] = "1";
        child.length = 3;

        Array.prototype.reduce.call(child, callbackfn);
        return testResult;

    }
runTestCase(testcase);