summaryrefslogtreecommitdiffstats
path: root/js/src/tests/test262/built-ins/Array/prototype/map/15.4.4.19-8-9.js
blob: 96f92f7287e9e53950cef4761611fdcbfe920a2f (plain)
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
29
30
31
32
33
34
// 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 - modifications to length don't change number
    of iterations on an Array
---*/

var called = 0;

function callbackfn(val, idx, obj) {
  called += 1;
  return val > 10;
}

var arr = [9, , 12];

Object.defineProperty(arr, "1", {
  get: function() {
    arr.length = 2;
    return 8;
  },
  configurable: true
});

var testResult = arr.map(callbackfn);

assert.sameValue(testResult.length, 3, 'testResult.length');
assert.sameValue(called, 2, 'called');
assert.sameValue(typeof testResult[2], "undefined", 'typeof testResult[2]');

reportCompare(0, 0);