JSTests/test262/test/built-ins/Array/prototype/reduce/15.4.4.21-9-c-ii-3.js

// 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 takes 4 arguments
---*/

var bCalled = false;

function callbackfn(prevVal, curVal, idx, obj)
{
  bCalled = true;
  if (prevVal === true && arguments.length === 4)
    return true;
  else
    return false;
}
var arr = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9];

assert.sameValue(arr.reduce(callbackfn, true), true, 'arr.reduce(callbackfn,true)');
assert.sameValue(bCalled, true, 'bCalled');