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// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: Resolving with a reference to the promise itself 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
[...]
8. Let status be Call(promiseCapability.[[Resolve]], undefined,
«handlerResult.[[value]]»).
[...]
25.4.1.3.2 Promise Resolve Functions
[...]
6. If SameValue(resolution, promise) is true, then
a. Let selfResolutionError be a newly created TypeError object.
b. Return RejectPromise(promise, selfResolutionError).
flags: [async]
---*/
var p1 = new Promise(function(_, reject) {
reject();
});
var p2;
p2 = p1.then(function() {}, function() {
return p2;
});
p2.then(function() {
$DONE('The promise should not be fulfilled.');
}, function(reason) {
if (!reason) {
$DONE('The promise should be rejected with a value.');
return;
}
if (reason.constructor !== TypeError) {
$DONE('The promise should be rejected with a TypeError instance.');
return;
}
$DONE();
});
|
