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Branched from the monolithic repo, Qt master branch, at commit
896db169ea224deb96c59ce8af800d019de63f12

1 files changed, 613 insertions, 0 deletions

diff --git a/tests/auto/qdbusthreading/tst_qdbusthreading.cpp b/tests/auto/qdbusthreading/tst_qdbusthreading.cpp
new file mode 100644
index 0000000000..bfb806b33a
--- /dev/null
+++ b/tests/auto/qdbusthreading/tst_qdbusthreading.cpp
@@ -0,0 +1,613 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+#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();
+
+    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 initTestCase();
+    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);
+    threadJoinCount = 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::initTestCase()
+{
+}
+
+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);
+
+    QTest::qWait(100);
+    QCOMPARE(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);
+
+    QTest::qWait(100);
+    QCOMPARE(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();
+    Q_ASSERT(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"