test262/test/built-ins/Promise/reject-via-fn-deferred.js

41 lines
1.0 KiB
JavaScript

// 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 through deferred invocation of the provided resolving function
es6id: 25.4.3.1
info: |
[...]
9. Let completion be Call(executor, undefined,
«resolvingFunctions.[[Resolve]], resolvingFunctions.[[Reject]]»).
10. If completion is an abrupt completion, then
[...]
11. Return promise.
25.4.1.3.1 Promise Reject Functions
[...]
6. Return RejectPromise(promise, reason).
flags: [async]
---*/
var thenable = new Promise(function() {});
var returnValue = null;
var reject;
var p = new Promise(function(_, _reject) {
reject = _reject;
});
p.then(function() {
$DONE('The promise should not be fulfilled.');
}, function(x) {
if (x !== thenable) {
$DONE('The promise should be rejected with the resolution value.');
return;
}
$DONE();
});
returnValue = reject(thenable);
assert.sameValue(returnValue, undefined, '"reject" function return value');