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// |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 of mixed fulfilled and rejected promises
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((_, reject) => {
reject('');
});
let p2 = new Promise(resolve => {
resolve('');
});
let p3 = new Promise((_, reject) => {
reject('');
});
sequence.push(1);
p1.catch(() => {
sequence.push(3);
assert.sameValue(sequence.length, 3);
checkSequence(sequence, 'Expected to be called first.');
}).catch($DONE);
Promise.any([p1, p2, p3]).then(() => {
sequence.push(6);
assert.sameValue(sequence.length, 6);
checkSequence(sequence, 'Expected to be called fourth.');
}).then($DONE, $DONE);
p2.then(() => {
sequence.push(4);
assert.sameValue(sequence.length, 4);
checkSequence(sequence, 'Expected to be called second.');
}).catch($DONE);
sequence.push(2);
p3.catch(() => {
sequence.push(5);
assert.sameValue(sequence.length, 5);
checkSequence(sequence, 'Expected to be called third.');
}).catch($DONE);
|
