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/**
 * @path ch15/15.4/15.4.4/15.4.4.21/15.4.4.21-9-b-5.js
 * @description Array.prototype.reduce - properties added into own object in step 8 are visited on an Array
 */


function testcase() {

        var testResult = false;

        function callbackfn(accum, val, idx, obj) {
            if (idx === 1 && val === 1) {
                testResult = true;
            }
        }

        var arr = [0, , 2];

        Object.defineProperty(arr, "0", {
            get: function () {
                Object.defineProperty(arr, "1", {
                    get: function () {
                        return 1;
                    },
                    configurable: true
                });
                return 0;
            },
            configurable: true
        });

        arr.reduce(callbackfn);
        return testResult;
    }
runTestCase(testcase);