test/built-ins/Array/prototype/reduceRight/15.4.4.22-9-c-ii-8.js


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28

// 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
es5id: 15.4.4.22-9-c-ii-8
description: >
    Array.prototype.reduceRight - element changed by callbackfn on
    previous iterations is observed
---*/

var accessed = false;
var obj = {
  0: 11,
  1: 12,
  length: 2
};

function callbackfn(prevVal, curVal, idx, obj) {
  accessed = true;
  if (idx === 1) {
    obj[idx - 1] = 8;
  }
  return curVal > 10;
}

assert.sameValue(Array.prototype.reduceRight.call(obj, callbackfn, 1), false, 'Array.prototype.reduceRight.call(obj, callbackfn, 1)');
assert(accessed, 'accessed !== true');