resolved-sequence.js (1489B)
1 // |reftest| async 2 // Copyright (C) 2019 Leo Balter. All rights reserved. 3 // This code is governed by the BSD license found in the LICENSE file. 4 5 /*--- 6 esid: sec-promise.allsettled 7 description: Resolution ticks are set in a predictable sequence 8 info: | 9 Runtime Semantics: PerformPromiseAllSettled ( iteratorRecord, constructor, resultCapability ) 10 11 4. Let remainingElementsCount be a new Record { [[Value]]: 1 }. 12 ... 13 6.d ... 14 ii. Set remainingElementsCount.[[value]] to remainingElementsCount.[[value]] − 1. 15 iii. If remainingElementsCount.[[value]] is 0, then 16 1. Let valuesArray be CreateArrayFromList(values). 17 2. Perform ? Call(resultCapability.[[Resolve]], undefined, « valuesArray »). 18 ... 19 flags: [async] 20 includes: [promiseHelper.js] 21 features: [Promise.allSettled] 22 ---*/ 23 24 var sequence = []; 25 26 var p1 = new Promise(function(resolve) { 27 resolve(1); 28 }); 29 var p2 = new Promise(function(resolve) { 30 resolve(2); 31 }); 32 33 sequence.push(1); 34 35 p1.then(function() { 36 sequence.push(3); 37 assert.sameValue(sequence.length, 3); 38 checkSequence(sequence, 'Expected to be called first.'); 39 }).catch($DONE); 40 41 Promise.allSettled([p1, p2]).then(function() { 42 sequence.push(5); 43 assert.sameValue(sequence.length, 5); 44 checkSequence(sequence, 'Expected to be called third.'); 45 }).then($DONE, $DONE); 46 47 p2.then(function() { 48 sequence.push(4); 49 assert.sameValue(sequence.length, 4); 50 checkSequence(sequence, 'Expected to be called second.'); 51 }).catch($DONE); 52 53 sequence.push(2);