js/src/tests/test262/built-ins/Array/prototype/reduceRight/15.4.4.22-9-2.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.reduceright
description: >
    Array.prototype.reduceRight considers new value of elements in
    array after it is called
---*/

function callbackfn(prevVal, curVal, idx, obj)
{
  arr[3] = -2;
  arr[0] = -1;
  return prevVal + curVal;
}

var arr = [1, 2, 3, 4, 5];

assert.sameValue(arr.reduceRight(callbackfn), 13, 'arr.reduceRight(callbackfn)');

reportCompare(0, 0);