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/*
* Copyright 2014 Daniel Vrátil <dvratil@redhat.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License or (at your option) version 3 or any later version
* accepted by the membership of KDE e.V. (or its successor approved
* by the membership of KDE e.V.), which shall act as a proxy
* defined in Section 14 of version 3 of the license.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "../src/async.h"
#include <QObject>
#include <QString>
#include <QTimer>
#include <QtTest/QTest>
class AsyncTest : public QObject
{
Q_OBJECT
public:
AsyncTest()
{}
~AsyncTest()
{}
private Q_SLOTS:
void testSyncPromises();
void testAsyncPromises();
};
void AsyncTest::testSyncPromises()
{
auto baseJob = Async::start<int>(
[]() -> Async::Future<int> {
auto f = Async::Future<int>(42);
f.setFinished();
return f;
})
.then<QString, int>(
[](int v) -> Async::Future<QString> {
auto f = Async::Future<QString>("Result is " + QString::number(v));
f.setFinished();
return f;
});
auto job = baseJob.then<QString, QString>(
[](const QString &v) -> Async::Future<QString> {
auto f = Async::Future<QString>(v.toUpper());
f.setFinished();
return f;
});
job.exec();
Async::Future<QString> future = job.result();
QCOMPARE(future.value(), QString::fromLatin1("RESULT IS 42"));
}
void AsyncTest::testAsyncPromises()
{
auto job = Async::start<int>(
[]() -> Async::Future<int> {
Async::Future<int> future(-1);
QTimer *timer = new QTimer();
QObject::connect(timer, &QTimer::timeout,
[&]() {
future.setValue(42);
future.setFinished();
timer->deleteLater();
});
timer->setSingleShot(true);
timer->start(200);
return future;
});
job.exec();
Async::Future<int> future = job.result();
QCOMPARE(future.value(), 42);
}
QTEST_MAIN(AsyncTest);
#include "asynctest.moc"
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