blob: c922025e33e500514eff76e2b6d79171f71f2c8b (
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
|
// Copyright (C) 2021 Microsoft. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-array.prototype.findlast
description: >
Predicate is only called if this.length is > 0.
info: |
Array.prototype.findLast ( predicate[ , thisArg ] )
...
4. Let k be len - 1.
5. Repeat, while k ≥ 0,
...
c. Let testResult be ! ToBoolean(? Call(predicate, thisArg, « kValue, 𝔽(k), O »)).
...
6. Return undefined.
features: [array-find-from-last]
---*/
var called = false;
var predicate = function() {
called = true;
return true;
};
var result = [].findLast(predicate);
assert.sameValue(called, false, '[].findLast(predicate) does not call predicate');
assert.sameValue(result, undefined, '[].findLast(predicate) returned undefined');
reportCompare(0, 0);
|