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
48
49
50
51
52
53
|
// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: Rejecting from a rejected promise
es6id: 25.4.5.3
info: |
[...]
7. Return PerformPromiseThen(promise, onFulfilled, onRejected,
resultCapability).
25.4.5.3.1 PerformPromiseThen
[...]
9. Else if the value of promise's [[PromiseState]] internal slot is
"rejected",
a. Let reason be the value of promise's [[PromiseResult]] internal slot.
b. Perform EnqueueJob("PromiseJobs", PromiseReactionJob,
«rejectReaction, reason»).
25.4.2.1 PromiseReactionJob
[...]
7. If handlerResult is an abrupt completion, then
a. Let status be Call(promiseCapability.[[Reject]], undefined,
«handlerResult.[[value]]»).
[...]
25.4.1.3.1 Promise Reject Functions
[...]
6. Return RejectPromise(promise, reason).
flags: [async]
---*/
var thenable = new Promise(function(resolve) {
resolve();
});
var p1 = new Promise(function(_, reject) {
reject();
});
var p2;
p2 = p1.then(function() {}, function() {
throw thenable;
});
p2.then(function() {
$DONE('The promise should not be fulfilled.');
}, function(x) {
if (x !== thenable) {
$DONE('The promise should be rejected with the resolution value of the provided promise.');
return;
}
$DONE();
});
|
