blob: 79b7ea8619918edaee7bb0e93c47042cf19eb46c (
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
35
36
|
// |reftest| shell-option(--enable-iterator-helpers) skip-if(!this.hasOwnProperty('Iterator')||!xulRuntime.shell) -- iterator-helpers is not enabled unconditionally, requires shell-options
// Copyright (C) 2023 Michael Ficarra. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-iteratorprototype.filter
description: >
Iterator.prototype.filter predicate this value is undefined
info: |
%Iterator.prototype%.filter ( predicate )
3.b.iv. Let selected be Completion(Call(predicate, undefined, « value, 𝔽(counter) »)).
features: [iterator-helpers]
flags: []
---*/
function* g() {
yield 0;
}
let iter = g();
let expectedThis = function () {
return this;
}.call(undefined);
let assertionCount = 0;
iter = iter.filter(function (v, count) {
assert.sameValue(this, expectedThis);
++assertionCount;
return true;
});
iter.next();
assert.sameValue(assertionCount, 1);
reportCompare(0, 0);
|