qt5base-lts/tests/auto/dbus/qdbusthreading/tst_qdbusthreading.cpp
Lars Knoll 6ae7a02104 Remove most compiler warnings about missing overrides
Remove around 1000 compiler warnings about missing overrides
in our auto tests.

This significantly reduce the compiler warning noise in our auto
tests, so that one can actually better see the real problems
inbetween.

Change-Id: Id0c04dba43fcaf55d8cd2b5c6697358857c31bf9
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
2020-09-11 00:20:47 +02:00

594 lines
17 KiB
C++

/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtTest>
#include <QtDBus>
#include <QtCore/QVarLengthArray>
#include <QtCore/QThread>
#include <QtCore/QObject>
#include <QtCore/QSemaphore>
#include <QtCore/QMutex>
#include <QtCore/QWaitCondition>
#include <QtCore/QMap>
class Thread : public QThread
{
Q_OBJECT
static int counter;
public:
Thread(bool automatic = true);
void run() override;
using QThread::exec;
};
int Thread::counter;
class tst_QDBusThreading : public QObject
{
Q_OBJECT
static tst_QDBusThreading *_self;
QAtomicInt threadJoinCount;
QSemaphore threadJoin;
public:
QSemaphore sem1, sem2;
volatile bool success;
QEventLoop *loop;
enum FunctionSpy {
NoMethod = 0,
Adaptor_method,
Object_method
} functionSpy;
QThread *threadSpy;
int signalSpy;
tst_QDBusThreading();
static inline tst_QDBusThreading *self() { return _self; }
void joinThreads();
bool waitForSignal(QObject *obj, const char *signal, int delay = 1);
public Q_SLOTS:
void cleanup();
void signalSpySlot() { ++signalSpy; }
void threadStarted() { threadJoinCount.ref(); }
void threadFinished() { threadJoin.release(); }
void dyingThread_thread();
void lastInstanceInOtherThread_thread();
void concurrentCreation_thread();
void disconnectAnothersConnection_thread();
void accessMainsConnection_thread();
void accessOthersConnection_thread();
void registerObjectInOtherThread_thread();
void registerAdaptorInOtherThread_thread();
void callbackInMainThread_thread();
void callbackInAuxThread_thread();
void callbackInAnotherAuxThread_thread();
private Q_SLOTS:
void dyingThread();
void lastInstanceInOtherThread();
void concurrentCreation();
void disconnectAnothersConnection();
void accessMainsConnection();
void accessOthersConnection();
void registerObjectInOtherThread();
void registerAdaptorInOtherThread();
void callbackInMainThread();
void callbackInAuxThread();
void callbackInAnotherAuxThread();
};
tst_QDBusThreading *tst_QDBusThreading::_self;
class Adaptor : public QDBusAbstractAdaptor
{
Q_OBJECT
Q_CLASSINFO("D-Bus Interface", "local.Adaptor")
public:
Adaptor(QObject *parent)
: QDBusAbstractAdaptor(parent)
{
}
public Q_SLOTS:
void method()
{
tst_QDBusThreading::self()->functionSpy = tst_QDBusThreading::Adaptor_method;
tst_QDBusThreading::self()->threadSpy = QThread::currentThread();
emit signal();
}
Q_SIGNALS:
void signal();
};
class Object : public QObject
{
Q_OBJECT
Q_CLASSINFO("D-Bus Interface", "local.Object")
public:
Object(bool useAdaptor)
{
if (useAdaptor)
new Adaptor(this);
}
~Object()
{
QMetaObject::invokeMethod(QThread::currentThread(), "quit", Qt::QueuedConnection);
}
public Q_SLOTS:
void method()
{
tst_QDBusThreading::self()->functionSpy = tst_QDBusThreading::Object_method;
tst_QDBusThreading::self()->threadSpy = QThread::currentThread();
emit signal();
deleteLater();
}
Q_SIGNALS:
void signal();
};
#if 0
typedef void (*qdbusThreadDebugFunc)(int, int, QDBusConnectionPrivate *);
QDBUS_EXPORT void qdbusDefaultThreadDebug(int, int, QDBusConnectionPrivate *);
extern QDBUS_EXPORT qdbusThreadDebugFunc qdbusThreadDebug;
static void threadDebug(int action, int condition, QDBusConnectionPrivate *p)
{
qdbusDefaultThreadDebug(action, condition, p);
}
#endif
Thread::Thread(bool automatic)
{
setObjectName(QString::fromLatin1("Aux thread %1").arg(++counter));
connect(this, SIGNAL(started()), tst_QDBusThreading::self(), SLOT(threadStarted()));
connect(this, SIGNAL(finished()), tst_QDBusThreading::self(), SLOT(threadFinished()),
Qt::DirectConnection);
connect(this, SIGNAL(finished()), this, SLOT(deleteLater()), Qt::DirectConnection);
if (automatic)
start();
}
void Thread::run()
{
QVarLengthArray<char, 56> name;
name.append(QTest::currentTestFunction(), qstrlen(QTest::currentTestFunction()));
name.append("_thread", sizeof "_thread");
QMetaObject::invokeMethod(tst_QDBusThreading::self(), name.constData(), Qt::DirectConnection);
}
static const char myConnectionName[] = "connection";
tst_QDBusThreading::tst_QDBusThreading()
: loop(0), functionSpy(NoMethod), threadSpy(0)
{
_self = this;
QCoreApplication::instance()->thread()->setObjectName("Main thread");
}
void tst_QDBusThreading::joinThreads()
{
threadJoin.acquire(threadJoinCount.loadRelaxed());
threadJoinCount.storeRelaxed(0);
}
bool tst_QDBusThreading::waitForSignal(QObject *obj, const char *signal, int delay)
{
QObject::connect(obj, signal, &QTestEventLoop::instance(), SLOT(exitLoop()));
QPointer<QObject> safe = obj;
QTestEventLoop::instance().enterLoop(delay);
if (!safe.isNull())
QObject::disconnect(safe, signal, &QTestEventLoop::instance(), SLOT(exitLoop()));
return QTestEventLoop::instance().timeout();
}
void tst_QDBusThreading::cleanup()
{
joinThreads();
if (sem1.available())
sem1.acquire(sem1.available());
if (sem2.available())
sem2.acquire(sem2.available());
if (QDBusConnection(myConnectionName).isConnected())
QDBusConnection::disconnectFromBus(myConnectionName);
delete loop;
loop = 0;
QTest::qWait(500);
}
void tst_QDBusThreading::dyingThread_thread()
{
QDBusConnection::connectToBus(QDBusConnection::SessionBus, myConnectionName);
}
void tst_QDBusThreading::dyingThread()
{
Thread *th = new Thread(false);
QTestEventLoop::instance().connect(th, SIGNAL(destroyed(QObject*)), SLOT(exitLoop()));
th->start();
QTestEventLoop::instance().enterLoop(10);
QVERIFY(!QTestEventLoop::instance().timeout());
QDBusConnection con(myConnectionName);
QDBusConnection::disconnectFromBus(myConnectionName);
QVERIFY(con.isConnected());
QDBusReply<QStringList> reply = con.interface()->registeredServiceNames();
QVERIFY(reply.isValid());
QVERIFY(!reply.value().isEmpty());
QVERIFY(reply.value().contains(con.baseService()));
con.interface()->callWithCallback("ListNames", QVariantList(),
&QTestEventLoop::instance(), SLOT(exitLoop()));
QTestEventLoop::instance().enterLoop(1);
QVERIFY(!QTestEventLoop::instance().timeout());
}
void tst_QDBusThreading::lastInstanceInOtherThread_thread()
{
QDBusConnection con(myConnectionName);
QVERIFY(con.isConnected());
QDBusConnection::disconnectFromBus(myConnectionName);
// con is being destroyed in the wrong thread
}
void tst_QDBusThreading::lastInstanceInOtherThread()
{
Thread *th = new Thread(false);
// create the connection:
QDBusConnection::connectToBus(QDBusConnection::SessionBus, myConnectionName);
th->start();
th->wait();
}
void tst_QDBusThreading::concurrentCreation_thread()
{
sem1.acquire();
QDBusConnection con = QDBusConnection::connectToBus(QDBusConnection::SessionBus,
myConnectionName);
sem2.release();
}
void tst_QDBusThreading::concurrentCreation()
{
Thread *th = new Thread;
{
sem1.release();
QDBusConnection con = QDBusConnection::connectToBus(QDBusConnection::SessionBus,
myConnectionName);
QVERIFY(con.isConnected());
sem2.acquire();
}
waitForSignal(th, SIGNAL(finished()));
QDBusConnection::disconnectFromBus(myConnectionName);
QVERIFY(!QDBusConnection(myConnectionName).isConnected());
}
void tst_QDBusThreading::disconnectAnothersConnection_thread()
{
QDBusConnection con = QDBusConnection::connectToBus(QDBusConnection::SessionBus,
myConnectionName);
sem2.release();
}
void tst_QDBusThreading::disconnectAnothersConnection()
{
new Thread;
sem2.acquire();
QVERIFY(QDBusConnection(myConnectionName).isConnected());
QDBusConnection::disconnectFromBus(myConnectionName);
}
void tst_QDBusThreading::accessMainsConnection_thread()
{
sem1.acquire();
QDBusConnection con = QDBusConnection::sessionBus();
con.interface()->registeredServiceNames();
sem2.release();
}
void tst_QDBusThreading::accessMainsConnection()
{
QVERIFY(QDBusConnection::sessionBus().isConnected());
new Thread;
sem1.release();
sem2.acquire();
};
void tst_QDBusThreading::accessOthersConnection_thread()
{
QDBusConnection::connectToBus(QDBusConnection::SessionBus, myConnectionName);
sem2.release();
// wait for main thread to be done
sem1.acquire();
QDBusConnection::disconnectFromBus(myConnectionName);
sem2.release();
}
void tst_QDBusThreading::accessOthersConnection()
{
new Thread;
// wait for the connection to be created
sem2.acquire();
{
QDBusConnection con(myConnectionName);
QVERIFY(con.isConnected());
QVERIFY(con.baseService() != QDBusConnection::sessionBus().baseService());
QDBusReply<QStringList> reply = con.interface()->registeredServiceNames();
if (!reply.isValid())
qDebug() << reply.error().name() << reply.error().message();
QVERIFY(reply.isValid());
QVERIFY(!reply.value().isEmpty());
QVERIFY(reply.value().contains(con.baseService()));
QVERIFY(reply.value().contains(QDBusConnection::sessionBus().baseService()));
}
// tell it to destroy:
sem1.release();
sem2.acquire();
QDBusConnection con(myConnectionName);
QVERIFY(!con.isConnected());
}
void tst_QDBusThreading::registerObjectInOtherThread_thread()
{
{
Object *obj = new Object(false);
QDBusConnection::sessionBus().registerObject("/", obj, QDBusConnection::ExportAllSlots | QDBusConnection::ExportAllSignals);
sem2.release();
static_cast<Thread *>(QThread::currentThread())->exec();
}
sem2.release();
}
void tst_QDBusThreading::registerObjectInOtherThread()
{
QVERIFY(QDBusConnection::sessionBus().isConnected());
QThread *th = new Thread;
sem2.acquire();
signalSpy = 0;
QDBusInterface iface(QDBusConnection::sessionBus().baseService(), "/", "local.Object");
QVERIFY(iface.isValid());
connect(&iface, SIGNAL(signal()), SLOT(signalSpySlot()));
QTest::qWait(100);
QCOMPARE(signalSpy, 0);
functionSpy = NoMethod;
threadSpy = 0;
QDBusReply<void> reply = iface.call("method");
QVERIFY(reply.isValid());
QCOMPARE(functionSpy, Object_method);
QCOMPARE(threadSpy, th);
QTRY_COMPARE(signalSpy, 1);
sem2.acquire(); // the object is gone
functionSpy = NoMethod;
threadSpy = 0;
reply = iface.call("method");
QVERIFY(!reply.isValid());
QCOMPARE(functionSpy, NoMethod);
QCOMPARE(threadSpy, (QThread*)0);
}
void tst_QDBusThreading::registerAdaptorInOtherThread_thread()
{
{
Object *obj = new Object(true);
QDBusConnection::sessionBus().registerObject("/", obj, QDBusConnection::ExportAdaptors |
QDBusConnection::ExportAllSlots | QDBusConnection::ExportAllSignals);
sem2.release();
static_cast<Thread *>(QThread::currentThread())->exec();
}
sem2.release();
}
void tst_QDBusThreading::registerAdaptorInOtherThread()
{
QVERIFY(QDBusConnection::sessionBus().isConnected());
QThread *th = new Thread;
sem2.acquire();
QDBusInterface object(QDBusConnection::sessionBus().baseService(), "/", "local.Object");
QDBusInterface adaptor(QDBusConnection::sessionBus().baseService(), "/", "local.Adaptor");
QVERIFY(object.isValid());
QVERIFY(adaptor.isValid());
signalSpy = 0;
connect(&adaptor, SIGNAL(signal()), SLOT(signalSpySlot()));
QCOMPARE(signalSpy, 0);
functionSpy = NoMethod;
threadSpy = 0;
QDBusReply<void> reply = adaptor.call("method");
QVERIFY(reply.isValid());
QCOMPARE(functionSpy, Adaptor_method);
QCOMPARE(threadSpy, th);
QTRY_COMPARE(signalSpy, 1);
functionSpy = NoMethod;
threadSpy = 0;
reply = object.call("method");
QVERIFY(reply.isValid());
QCOMPARE(functionSpy, Object_method);
QCOMPARE(threadSpy, th);
QTest::qWait(100);
QCOMPARE(signalSpy, 1);
sem2.acquire(); // the object is gone
functionSpy = NoMethod;
threadSpy = 0;
reply = adaptor.call("method");
QVERIFY(!reply.isValid());
QCOMPARE(functionSpy, NoMethod);
QCOMPARE(threadSpy, (QThread*)0);
reply = object.call("method");
QVERIFY(!reply.isValid());
QCOMPARE(functionSpy, NoMethod);
QCOMPARE(threadSpy, (QThread*)0);
}
void tst_QDBusThreading::callbackInMainThread_thread()
{
QDBusConnection::connectToBus(QDBusConnection::SessionBus, myConnectionName);
sem2.release();
static_cast<Thread *>(QThread::currentThread())->exec();
QDBusConnection::disconnectFromBus(myConnectionName);
}
void tst_QDBusThreading::callbackInMainThread()
{
Thread *th = new Thread;
// wait for it to be connected
sem2.acquire();
QDBusConnection con(myConnectionName);
con.interface()->callWithCallback("ListNames", QVariantList(),
&QTestEventLoop::instance(), SLOT(exitLoop()));
QTestEventLoop::instance().enterLoop(10);
QVERIFY(!QTestEventLoop::instance().timeout());
QMetaObject::invokeMethod(th, "quit");
waitForSignal(th, SIGNAL(finished()));
}
void tst_QDBusThreading::callbackInAuxThread_thread()
{
QDBusConnection con(QDBusConnection::sessionBus());
QTestEventLoop ownLoop;
con.interface()->callWithCallback("ListNames", QVariantList(),
&ownLoop, SLOT(exitLoop()));
ownLoop.enterLoop(10);
loop->exit(ownLoop.timeout() ? 1 : 0);
}
void tst_QDBusThreading::callbackInAuxThread()
{
QVERIFY(QDBusConnection::sessionBus().isConnected());
loop = new QEventLoop;
new Thread;
QCOMPARE(loop->exec(), 0);
}
void tst_QDBusThreading::callbackInAnotherAuxThread_thread()
{
sem1.acquire();
if (!loop) {
// first thread
// create the connection and just wait
QDBusConnection con = QDBusConnection::connectToBus(QDBusConnection::SessionBus, myConnectionName);
loop = new QEventLoop;
// tell the main thread we have created the loop and connection
sem2.release();
// wait for the main thread to connect its signal
sem1.acquire();
success = loop->exec() == 0;
sem2.release();
// clean up
QDBusConnection::disconnectFromBus(myConnectionName);
} else {
// second thread
// try waiting for a message
QDBusConnection con(myConnectionName);
QTestEventLoop ownLoop;
con.interface()->callWithCallback("ListNames", QVariantList(),
&ownLoop, SLOT(exitLoop()));
ownLoop.enterLoop(1);
loop->exit(ownLoop.timeout() ? 1 : 0);
}
}
void tst_QDBusThreading::callbackInAnotherAuxThread()
{
// create first thread
success = false;
new Thread;
// wait for the event loop
sem1.release();
sem2.acquire();
QVERIFY(loop);
// create the second thread
new Thread;
sem1.release(2);
// wait for loop thread to finish executing:
sem2.acquire();
QVERIFY(success);
}
// Next tests:
// - unexport an object at the moment the call is being delivered
// - delete an object at the moment the call is being delivered
// - keep a global-static QDBusConnection for a thread-created connection
QTEST_MAIN(tst_QDBusThreading)
#include "tst_qdbusthreading.moc"