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// |reftest| async
// 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 resolved Promise instance whose `then` method has been
overridden from within the executor function
es6id: 25.4.3.1
info: |
[...]
8. Let resolvingFunctions be CreateResolvingFunctions(promise).
9. Let completion be Call(executor, undefined,
«resolvingFunctions.[[Resolve]], resolvingFunctions.[[Reject]]»).
25.4.1.3.2 Promise Resolve Functions
[...]
8. Let then be Get(resolution, "then").
9. If then is an abrupt completion, then
[...]
10. Let thenAction be then.[[value]].
11. If IsCallable(thenAction) is false, then
[...]
12. Perform EnqueueJob ("PromiseJobs", PromiseResolveThenableJob,
«promise, resolution, thenAction»)
flags: [async]
---*/
var returnValue = null;
var value = {};
var lateCallCount = 0;
var thenable = new Promise(function(resolve) {
resolve();
});
thenable.then = function(resolve) {
resolve(value);
};
var promise = new Promise(function(resolve) {
returnValue = resolve(thenable);
});
assert.sameValue(returnValue, undefined, '"resolve" return value');
thenable.then = function() {
lateCallCount += 1;
};
promise.then(function(val) {
if (val !== value) {
$DONE('The promise should be fulfilled with the provided value.');
return;
}
if (lateCallCount > 0) {
$DONE('The `then` method should be executed synchronously.');
}
$DONE();
}, function() {
$DONE('The promise should not be rejected.');
});
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