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