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50 lines
1.3 KiB
JavaScript
50 lines
1.3 KiB
JavaScript
// Copyright (C) 2019 Leo Balter. 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.allsettled
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description: Resolution ticks are set in a predictable sequence
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info: |
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Runtime Semantics: PerformPromiseAllSettled ( iteratorRecord, constructor, resultCapability )
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4. 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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1. Let valuesArray be CreateArrayFromList(values).
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2. Perform ? Call(resultCapability.[[Resolve]], undefined, « valuesArray »).
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...
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flags: [async]
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includes: [promiseHelper.js]
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features: [Promise.allSettled]
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---*/
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var sequence = [];
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var p1 = new Promise(function(_, reject) {
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reject('foo');
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});
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var p2 = new Promise(function(_, reject) {
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reject('bar');
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});
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sequence.push(1);
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p1.catch(function() {
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sequence.push(3);
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checkSequence(sequence, 'Expected to be called first.');
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}).catch($DONE);
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Promise.allSettled([p1, p2]).then(function() {
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sequence.push(5);
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checkSequence(sequence, 'Expected to be called third.');
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}).then($DONE, $DONE);
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p2.catch(function() {
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sequence.push(4);
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checkSequence(sequence, 'Expected to be called second.');
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}).catch($DONE);
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sequence.push(2);
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