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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
info: |
Runtime Semantics: PerformPromiseAny ( iteratorRecord, constructor, resultCapability )
Let remainingElementsCount be a new Record { [[Value]]: 1 }.
...
6.d ...
ii. Set remainingElementsCount.[[value]] to remainingElementsCount.[[value]] − 1.
iii. 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 ThrowCompletion(error).
...
flags: [async]
includes: [promiseHelper.js]
features: [Promise.any]
---*/
var sequence = [];
var p1 = new Promise(resolve => {
resolve(1);
});
var p2 = new Promise(resolve => {
resolve(2);
});
sequence.push(1);
p1.then(function() {
sequence.push(3);
assert.sameValue(sequence.length, 3);
checkSequence(sequence, 'Expected to be called first.');
}).catch($DONE);
Promise.any([p1, p2]).then(function() {
sequence.push(5);
assert.sameValue(sequence.length, 5);
checkSequence(sequence, 'Expected to be called third.');
}).then($DONE, $DONE);
p2.then(function() {
sequence.push(4);
assert.sameValue(sequence.length, 4);
checkSequence(sequence, 'Expected to be called second.');
}).catch($DONE);
sequence.push(2);
|
