| // Copyright (C) 2020 Rick Waldron, 2020 Rick Waldron. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| |
| /*--- |
| description: > |
| Resolved promises ignore rejections through immediate invocation of the |
| provided resolving function |
| esid: sec-promise.race |
| info: | |
| Let result be PerformPromiseRace(iteratorRecord, C, promiseCapability, promiseResolve). |
| |
| PerformPromiseRace |
| |
| Repeat |
| ... |
| Perform ? Invoke(nextPromise, "then", « resultCapability.[[Resolve]], resultCapability.[[Reject]] »). |
| |
| flags: [async] |
| features: [arrow-function] |
| ---*/ |
| |
| let resolver = { |
| then(resolve) { |
| resolve(42); |
| } |
| }; |
| let lateRejector = { |
| then(resolve, reject) { |
| resolve(33); |
| reject(); |
| } |
| }; |
| |
| Promise.race([resolver, lateRejector]) |
| .then(resolution => { |
| assert.sameValue(resolution, 42); |
| }).then($DONE, $DONE); |