test/built-ins/Array/prototype/reduceRight/15.4.4.22-1-12.js


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21

// 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: 15.4.4.22-1-12
description: Array.prototype.reduceRight applied to RegExp object
---*/

var obj = new RegExp();
obj.length = 1;
obj[0] = 1;
var accessed = false;

function callbackfn(prevVal, curVal, idx, o) {
  accessed = true;
  return o instanceof RegExp;
}

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