// 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-ii-19
description: >
    Array.prototype.reduce - value of 'accumulator' used for first
    iteration is the value of least index property which is not
    undefined when 'initialValue' is not present on an Array
---*/

        var called = 0;
        var result = false;
        function callbackfn(prevVal, curVal, idx, obj) {
            called++;
            if (idx === 1) {
                result = (prevVal === 11) && curVal === 9;
            }
        }

        [11, 9].reduce(callbackfn);

assert(result, 'result !== true');
assert.sameValue(called, 1, 'called');
