js/src/tests/test262/built-ins/Array/prototype/reduce/15.4.4.21-9-c-ii-18.js


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

/*---
esid: sec-array.prototype.reduce
description: >
    Array.prototype.reduce - value of 'accumulator' used for first
    iteration is the value of 'initialValue' when it is present on an
    Array-like object
---*/

var result = false;

function callbackfn(prevVal, curVal, idx, obj) {
  if (idx === 0) {
    result = (arguments[0] === 1);
  }
}

var obj = {
  0: 11,
  1: 9,
  length: 2
};

Array.prototype.reduce.call(obj, callbackfn, 1);

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

reportCompare(0, 0);