// Copyright (c) 2012 Ecma International.  All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
es5id: 15.4.4.21-9-c-i-30
description: >
    Array.prototype.reduce - element changed by getter on previous
    iterations is observed on an Array
---*/

        var testResult = false;
        var initialValue = 0;
        function callbackfn(prevVal, curVal, idx, obj) {
            if (idx === 1) {
                testResult = (curVal === 1);
            }
        }

        var arr = [, , 2];
        var preIterVisible = false;

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

        Object.defineProperty(arr, "1", {
            get: function () {
                if (preIterVisible) {
                    return 1;
                } else {
                    return 100;
                }
            },
            configurable: true
        });

        arr.reduce(callbackfn, initialValue);

assert(testResult, 'testResult !== true');

reportCompare(0, 0);
