js/src/tests/test262/built-ins/Array/prototype/forEach/15.4.4.18-8-4.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

// 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.foreach
description: >
    Array.prototype.forEach doesn't call callbackfn if 'length' is 0
    (subclassed Array, length overridden to 0 (type conversion))
---*/

foo.prototype = new Array(1, 2, 3);

function foo() {}
var f = new foo();
f.length = 0;

var callCnt = 0;

function cb() {
  callCnt++
}
var i = f.forEach(cb);

assert.sameValue(callCnt, 0, 'callCnt');

reportCompare(0, 0);