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
48
49
50
51
52
53
54
55
|
// |reftest| async
// Copyright (C) 2020 Rick Waldron. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-promise.any
description: Resolution ticks are set in a predictable sequence with extra then calls
info: |
Runtime Semantics: PerformPromiseAny ( iteratorRecord, constructor, resultCapability )
Let remainingElementsCount be a new Record { [[Value]]: 1 }.
...
Set remainingElementsCount.[[Value]] to remainingElementsCount.[[Value]] - 1.
If remainingElementsCount.[[Value]] is 0, then
Let error be a newly created AggregateError object.
Perform ! DefinePropertyOrThrow(error, "errors",
Property Descriptor {
[[Configurable]]: true,
[[Enumerable]]: false,
[[Writable]]: true,
[[Value]]: errors
}).
Return ? Call(promiseCapability.[[Reject]], undefined, « error »).
...
flags: [async]
includes: [promiseHelper.js]
features: [Promise.any]
---*/
let sequence = [];
let p1 = new Promise(resolve => {
resolve({});
});
sequence.push(1);
Promise.any([p1]).then((resolved) => {
sequence.push(4);
assert.sameValue(sequence.length, 4);
checkSequence(sequence, 'Expected Promise.any().then to queue second');
}).catch($DONE);
p1.then(() => {
sequence.push(3);
assert.sameValue(sequence.length, 3);
checkSequence(sequence, 'Expected p1.then to queue first');
}).then(() => {
sequence.push(5);
assert.sameValue(sequence.length, 5);
checkSequence(sequence, 'Expected final then to queue last');
}).then($DONE, $DONE);
sequence.push(2);
|
