js/src/tests/test262/built-ins/Array/prototype/map/15.4.4.19-3-10.js


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22

// 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.map
description: Array.prototype.map - value of 'length' is a number (value is NaN)
---*/

function callbackfn(val, idx, obj) {
  return val < 10;
}

var obj = {
  0: 9,
  length: NaN
};

var newArr = Array.prototype.map.call(obj, callbackfn);

assert.sameValue(newArr.length, 0, 'newArr.length');

reportCompare(0, 0);