js/src/tests/test262/built-ins/Array/prototype/reduce/15.4.4.21-9-c-ii-1.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 - callbackfn called with correct parameters
    (initialvalue not passed)
---*/

function callbackfn(prevVal, curVal, idx, obj)
{
  if (idx > 0 && obj[idx] === curVal && obj[idx - 1] === prevVal)
    return curVal;
  else
    return false;
}

var arr = [0, 1, true, null, new Object(), "five"];

assert.sameValue(arr.reduce(callbackfn), "five", 'arr.reduce(callbackfn)');

reportCompare(0, 0);