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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 an object with a "poisoned" `then` property 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
[...]
8. Let then be Get(resolution, "then").
9. If then is an abrupt completion, then
a. Return RejectPromise(promise, then.[[value]]).
flags: [async]
---*/
var value = {};
var poisonedThen = Object.defineProperty({}, 'then', {
get: function() {
throw value;
}
});
var p1 = new Promise(function(_, reject) { reject(); });
var p2;
p2 = p1.then(function() {}, function() {
return poisonedThen;
});
p2.then(function(x) {
$DONE('The promise should not be fulfilled.');
}, function(x) {
if (x !== value) {
$DONE('The promise should be rejected with the thrown exception.');
return;
}
$DONE();
});
|
