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|
// |reftest| async
// Copyright (C) 2020 Rick Waldron. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-promise.any
description: >
Resolved promises ignore rejections through deferred invocation of the
provided resolving function
info: |
Let result be PerformPromiseAny(iteratorRecord, C, promiseCapability).
Runtime Semantics: PerformPromiseAny
...
Let remainingElementsCount be a new Record { [[value]]: 1 }.
...
8.d ...
ii. Set remainingElementsCount.[[value]] to remainingElementsCount.[[value]] − 1.
iii. If remainingElementsCount.[[value]] is 0,
1. Let error be a newly created AggregateError object.
2. Perform ! DefinePropertyOrThrow(error, "errors", Property Descriptor { [[Configurable]]: true, [[Enumerable]]: false, [[Writable]]: true, [[Value]]: errors }).
3. Return ThrowCompletion(error).
...
Promise.any Reject Element Functions
...
Let alreadyCalled be the value of F's [[AlreadyCalled]] internal slot.
If alreadyCalled.[[value]] is true, return undefined.
Set alreadyCalled.[[value]] to true.
...
flags: [async]
features: [Promise.any, arrow-function]
---*/
let callCount = 0;
let fulfiller = {
then(resolve) {
new Promise((resolve) => {
callCount++;
resolve();
})
.then(() => {
callCount++;
resolve();
});
}
};
let rejector = {
then(resolve, reject) {
new Promise((resolve) => {
callCount++;
resolve();
})
.then(() => {
callCount++;
resolve();
reject();
});
}
};
Promise.all([fulfiller, rejector])
.then(() => {
assert.sameValue(callCount, 4, "callCount === 4");
$DONE();
}, () => {
$DONE("The promise should not be rejected.");
});
|
