blob: 0911c7b02e3904c8767df0b8ec8708345a9f340f (
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
|
// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-array.prototype.includes
description: Returns false if length is 0
info: |
22.1.3.11 Array.prototype.includes ( searchElement [ , fromIndex ] )
...
2. Let len be ? ToLength(? Get(O, "length")).
3. If len is 0, return false.
...
features: [Array.prototype.includes]
---*/
var calls = 0;
var fromIndex = {
valueOf: function() {
calls++;
}
};
var sample = [];
assert.sameValue(sample.includes(0), false, "returns false");
assert.sameValue(sample.includes(), false, "returns false - no arg");
assert.sameValue(sample.includes(0, fromIndex), false, "using fromIndex");
assert.sameValue(calls, 0, "length is checked before ToInteger(fromIndex)");
reportCompare(0, 0);
|