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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
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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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6.d ...
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ii. Set remainingElementsCount.[[value]] to remainingElementsCount.[[value]] − 1.
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iii. 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 { [[Configurable]]: true, [[Enumerable]]: false, [[Writable]]: true, [[Value]]: errors }).
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Return ThrowCompletion(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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var sequence = [];
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var p1 = new Promise(resolve => {
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resolve(1);
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});
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var p2 = new Promise(resolve => {
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resolve(2);
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});
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sequence.push(1);
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p1.then(function() {
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sequence.push(3);
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assert.sameValue(sequence.length, 3);
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checkSequence(sequence, 'Expected to be called first.');
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}).catch($DONE);
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Promise.any([p1, p2]).then(function() {
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sequence.push(5);
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assert.sameValue(sequence.length, 5);
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checkSequence(sequence, 'Expected to be called third.');
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}).then($DONE, $DONE);
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p2.then(function() {
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sequence.push(4);
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assert.sameValue(sequence.length, 4);
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checkSequence(sequence, 'Expected to be called second.');
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}).catch($DONE);
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sequence.push(2);
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