resolved-sequence.js (1572B)
1 // |reftest| async 2 // Copyright (C) 2020 Rick Waldron. All rights reserved. 3 // This code is governed by the BSD license found in the LICENSE file. 4 5 /*--- 6 esid: sec-promise.any 7 description: Resolution ticks are set in a predictable sequence 8 info: | 9 Runtime Semantics: PerformPromiseAny ( iteratorRecord, constructor, resultCapability ) 10 11 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 Let error be a newly created AggregateError object. 17 Perform ! DefinePropertyOrThrow(error, "errors", 18 Property Descriptor { [[Configurable]]: true, [[Enumerable]]: false, [[Writable]]: true, [[Value]]: errors }). 19 Return ThrowCompletion(error). 20 ... 21 flags: [async] 22 includes: [promiseHelper.js] 23 features: [Promise.any] 24 ---*/ 25 26 var sequence = []; 27 28 var p1 = new Promise(resolve => { 29 resolve(1); 30 }); 31 var p2 = new Promise(resolve => { 32 resolve(2); 33 }); 34 35 sequence.push(1); 36 37 p1.then(function() { 38 sequence.push(3); 39 assert.sameValue(sequence.length, 3); 40 checkSequence(sequence, 'Expected to be called first.'); 41 }).catch($DONE); 42 43 Promise.any([p1, p2]).then(function() { 44 sequence.push(5); 45 assert.sameValue(sequence.length, 5); 46 checkSequence(sequence, 'Expected to be called third.'); 47 }).then($DONE, $DONE); 48 49 p2.then(function() { 50 sequence.push(4); 51 assert.sameValue(sequence.length, 4); 52 checkSequence(sequence, 'Expected to be called second.'); 53 }).catch($DONE); 54 55 sequence.push(2);