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/*
Copyright (C) 2010 George Kiagiadakis <kiagiadakis.george@gmail.com>
This library is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published
by the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "qgsttest.h"
#include <QGlib/Connect>
#include <QGst/Bus>
#include <QGst/Structure>
#include <QGst/Message>
class BusTest : public QGstTest
{
Q_OBJECT
private:
void messageClosure(const QGst::MessagePtr &);
private Q_SLOTS:
void watchTest();
void watchTestWithWatchRemoval();
private:
QEventLoop m_eventLoop;
int m_messagesReceived;
};
class MessagePushThread : public QThread
{
public:
QGst::BusPtr bus;
private:
virtual void run();
};
void MessagePushThread::run()
{
for (int i=0; i<10; ++i) {
QGst::Structure s("test");
s.setValue("sequence", i);
QGst::MessagePtr msg = QGst::ApplicationMessage::create(bus, s);
QVERIFY(!msg.isNull());
bus->post(msg);
if (i > 5) {
msleep(10); //add some delay for some messages
}
}
}
void BusTest::messageClosure(const QGst::MessagePtr & msg)
{
//we should receive this signal from the main thread
QCOMPARE(QThread::currentThread(), QCoreApplication::instance()->thread());
//check if the message is the same we sent from the other thread
QVERIFY(!msg.isNull());
QCOMPARE(msg->type(), QGst::MessageApplication);
const QGst::StructurePtr s = msg->internalStructure();
QCOMPARE(s->name(), QString("test"));
QCOMPARE(s->value("sequence").get<int>(), m_messagesReceived);
if (++m_messagesReceived == 10) {
m_eventLoop.exit(1);
}
}
void BusTest::watchTest()
{
MessagePushThread thread;
thread.bus = QGst::Bus::create();
m_messagesReceived = 0;
thread.bus->addSignalWatch();
QGlib::connect(thread.bus, "message", this, &BusTest::messageClosure);
thread.start();
//kill the event loop after 5 seconds
QTimer::singleShot(5000, &m_eventLoop, SLOT(quit()));
int code = m_eventLoop.exec();
QCOMPARE(code, 1); //we get 1 if we quit from messageClosure and 0 if we quit from the timer
QCOMPARE(m_messagesReceived, 10);
thread.wait(); //allow the thread to cleanup properly
}
//This is the same as watchTest(), but we remove the signal watch in the end.
//This tests the case where the watch is removed before the bus is destroyed.
void BusTest::watchTestWithWatchRemoval()
{
MessagePushThread thread;
thread.bus = QGst::Bus::create();
m_messagesReceived = 0;
thread.bus->addSignalWatch();
QGlib::connect(thread.bus, "message", this, &BusTest::messageClosure);
thread.start();
//kill the event loop after 5 seconds
QTimer::singleShot(5000, &m_eventLoop, SLOT(quit()));
int code = m_eventLoop.exec();
QCOMPARE(code, 1); //we get 1 if we quit from messageClosure and 0 if we quit from the timer
QCOMPARE(m_messagesReceived, 10);
thread.wait(); //allow the thread to cleanup properly
thread.bus->removeSignalWatch();
}
QTEST_MAIN(BusTest)
#include "moc_qgsttest.cpp"
#include "bustest.moc"
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