Source code

Revision control

Copy as Markdown

Other Tools

// |reftest| async
// 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);