resolved-then-catch-finally.js (3183B)
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: > 8 Resolution is a collection of all the settled values (all fulfilled) 9 info: | 10 Runtime Semantics: PerformPromiseAllSettled 11 12 6. Repeat, 13 ... 14 j. Let steps be the algorithm steps defined in Promise.allSettled Resolve Element Functions. 15 k. Let resolveElement be ! CreateBuiltinFunction(steps, « [[AlreadyCalled]], [[Index]], [[Values]], [[Capability]], [[RemainingElements]] »). 16 ... 17 r. Let rejectSteps be the algorithm steps defined in Promise.allSettled Reject Element Functions. 18 s. Let rejectElement be ! CreateBuiltinFunction(rejectSteps, « [[AlreadyCalled]], [[Index]], [[Values]], [[Capability]], [[RemainingElements]] »). 19 ... 20 z. Perform ? Invoke(nextPromise, "then", « resolveElement, rejectElement »). 21 22 Promise.allSettled Resolve Element Functions 23 24 9. Let obj be ! ObjectCreate(%ObjectPrototype%). 25 10. Perform ! CreateDataProperty(obj, "status", "fulfilled"). 26 11. Perform ! CreateDataProperty(obj, "value", x). 27 12. Set values[index] to be obj. 28 13. Set remainingElementsCount.[[Value]] to remainingElementsCount.[[Value]] - 1. 29 14. If remainingElementsCount.[[Value]] is 0, then 30 a. Let valuesArray be ! CreateArrayFromList(values). 31 b. Return ? Call(promiseCapability.[[Resolve]], undefined, « valuesArray »). 32 33 Promise.allSettled Reject Element Functions 34 35 9. Let obj be ! ObjectCreate(%ObjectPrototype%). 36 10. Perform ! CreateDataProperty(obj, "status", "rejected"). 37 11. Perform ! CreateDataProperty(obj, "reason", x). 38 12. Set values[index] to be obj. 39 13. Set remainingElementsCount.[[Value]] to remainingElementsCount.[[Value]] - 1. 40 14. If remainingElementsCount.[[Value]] is 0, then 41 a. Let valuesArray be CreateArrayFromList(values). 42 b. Return ? Call(promiseCapability.[[Resolve]], undefined, « valuesArray »). 43 flags: [async] 44 includes: [promiseHelper.js] 45 features: [Promise.allSettled] 46 ---*/ 47 48 var p0 = Promise.resolve(2).then(v => v + 1); 49 var p1 = Promise.reject(21).catch(v => v * 2); 50 var p2 = Promise.resolve('nope').then(() => { throw 'foo' }); 51 var p3 = Promise.reject('yes').then(() => { throw 'nope'; }); 52 var p4 = Promise.resolve('here').finally(() => 'nope'); 53 var p5 = Promise.reject('here too').finally(() => 'nope'); 54 var p6 = Promise.resolve('nope').finally(() => { throw 'finally'; }); 55 var p7 = Promise.reject('nope').finally(() => { throw 'finally after rejected'; }); 56 var p8 = Promise.reject(1).then(() => 'nope', () => 0); 57 58 Promise.allSettled([p0, p1, p2, p3, p4, p5, p6, p7, p8]).then(function(settled) { 59 checkSettledPromises(settled, [ 60 { status: 'fulfilled', value: 3 }, 61 { status: 'fulfilled', value: 42 }, 62 { status: 'rejected', reason: 'foo' }, 63 { status: 'rejected', reason: 'yes' }, 64 { status: 'fulfilled', value: 'here' }, 65 { status: 'rejected', reason: 'here too' }, 66 { status: 'rejected', reason: 'finally' }, 67 { status: 'rejected', reason: 'finally after rejected' }, 68 { status: 'fulfilled', value: 0 }, 69 ], 'settled'); 70 }).then($DONE, $DONE);