blob: 6640930c46943ecb87cef53d2c32bcae7d7c46b4 (
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
45
46
47
|
// |reftest| async
// Copyright (C) 2020 Rick Waldron, 2020 Rick Waldron. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: >
Resolved promises ignore rejections through deferred invocation of the
provided resolving function
esid: sec-promise.race
info: |
Let result be PerformPromiseRace(iteratorRecord, C, promiseCapability, promiseResolve).
PerformPromiseRace
Repeat
...
Perform ? Invoke(nextPromise, "then", « resultCapability.[[Resolve]], resultCapability.[[Reject]] »).
flags: [async]
features: [arrow-function]
includes: [promiseHelper.js]
---*/
let sequence = [1];
let lateRejector = {
then(resolve, reject) {
return new Promise((resolve) => {
sequence.push(3);
resolve();
sequence.push(4);
}).then(() => {
sequence.push(5);
resolve(9);
sequence.push(6);
reject();
sequence.push(7);
});
}
};
sequence.push(2);
Promise.race([lateRejector])
.then(resolution => {
assert.sameValue(resolution, 9);
assert.sameValue(sequence.length, 7);
checkSequence(sequence);
}).then($DONE, $DONE);
|