1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
// Copyright (C) 2019 Leo Balter. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: >
Error thrown when accesing the instance's `then` method (closing iterator)
esid: sec-promise.allsettled
info: |
6. Let result be PerformPromiseAllSettled(iteratorRecord, C, promiseCapability).
7. If result is an abrupt completion, then
a. If iteratorRecord.[[Done]] is false, set result to IteratorClose(iteratorRecord, result).
b. IfAbruptRejectPromise(result, promiseCapability).
Runtime Semantics: PerformPromiseAllSettled
z. Perform ? Invoke(nextPromise, "then", « resolveElement, rejectElement »).
features: [Promise.allSettled, Symbol.iterator]
---*/
var promise = new Promise(function() {});
var returnCount = 0;
var iter = {};
iter[Symbol.iterator] = function() {
return {
next() {
return {
done: false,
value: promise
};
},
return() {
returnCount += 1;
return {};
}
};
};
Object.defineProperty(promise, 'then', {
get() {
throw new Test262Error();
}
});
Promise.allSettled(iter);
assert.sameValue(returnCount, 1);
reportCompare(0, 0);
|
