test262/test/built-ins/Promise/all/resolve-ignores-late-reject...

39 lines
895 B
JavaScript

// Copyright (C) 2019 Leo Balter, 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.all
info: |
Let result be PerformPromiseAll(iteratorRecord, C, promiseCapability).
Runtime Semantics: PerformPromiseAll
Repeat
...
r. Perform ? Invoke(nextPromise, "then", « resultCapability.[[Resolve]], rejectElement »).
flags: [async]
features: [arrow-function]
---*/
var resolver = {
then(resolve) {
resolve(42);
}
};
var lateRejector = {
then(resolve, reject) {
resolve(33);
reject();
}
};
Promise.all([resolver, lateRejector])
.then(resolution => {
assert.sameValue(resolution[0], 42);
assert.sameValue(resolution[1], 33);
}).then($DONE, $DONE);