blob: 84855dc903a7af22074267761e4252f91696f60d (
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
37
38
39
40
41
42
43
44
|
// |reftest| async
// Copyright (C) 2020 Rick Waldron. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: >
Invocation of the constructor's `resolve` method for iterable with promise values
esid: sec-promise.all
info: |
Let result be PerformPromiseAll(iteratorRecord, C, promiseCapability).
Runtime Semantics: PerformPromiseAll
Repeat
...
Let nextPromise be ? Call(promiseResolve, constructor, « nextValue »).
flags: [async]
features: [class, arrow-function]
---*/
class Custom extends Promise {}
let values = [1, 1, 1];
let cresolveCallCount = 0;
let presolveCallCount = 0;
let boundCustomResolve = Custom.resolve.bind(Custom);
let boundPromiseResolve = Promise.resolve.bind(Promise);
Custom.resolve = function(...args) {
cresolveCallCount += 1;
return boundCustomResolve(...args);
};
Promise.resolve = function(...args) {
presolveCallCount += 1;
return boundPromiseResolve(...args);
};
Promise.all.call(Custom, values)
.then(() => {
assert.sameValue(presolveCallCount, 0, '`Promise.resolve` is never invoked');
assert.sameValue(cresolveCallCount, 3, '`Custom.resolve` invoked once for every iterated promise');
}).then($DONE, $DONE);
|
