diff options
Diffstat (limited to 'tests/auto/testlib/selftests/alive/qtestalive.cpp')
-rw-r--r-- | tests/auto/testlib/selftests/alive/qtestalive.cpp | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/tests/auto/testlib/selftests/alive/qtestalive.cpp b/tests/auto/testlib/selftests/alive/qtestalive.cpp new file mode 100644 index 0000000000..dd3d411ce5 --- /dev/null +++ b/tests/auto/testlib/selftests/alive/qtestalive.cpp @@ -0,0 +1,160 @@ +/**************************************************************************** +** +** 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. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** 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. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU General +** Public License version 3.0 as published by the Free Software Foundation +** and appearing in the file LICENSE.GPL included in the packaging of this +** file. Please review the following information to ensure the GNU General +** Public License version 3.0 requirements will be met: +** http://www.gnu.org/copyleft/gpl.html. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + + +#include <qcoreapplication.h> +#include <qcoreevent.h> +#include <qthread.h> + +class QTestAliveEvent: public QEvent +{ +public: + + enum { AliveEventType = QEvent::User + 422 }; + + inline QTestAliveEvent(int aSequenceId) + : QEvent(QEvent::Type(AliveEventType)), seqId(aSequenceId) + {} + inline int sequenceId() const { return seqId; } + +private: + int seqId; +}; + +class QTestAlivePinger: public QObject +{ +public: + QTestAlivePinger(QObject *receiver, QObject *parent = 0); + bool event(QEvent *e); + +protected: + void timerEvent(QTimerEvent *event); + +private: + QObject *rec; + int timerId; + int currentSequenceId; + int lastSequenceId; +}; + +QTestAlivePinger::QTestAlivePinger(QObject *receiver, QObject *parent) + : QObject(parent), rec(receiver), currentSequenceId(0), lastSequenceId(0) +{ + if (!rec) + qFatal("Null receiver object passed to QTestAlivePinger::QTestAlivePinger()"); + timerId = startTimer(850); +} + +bool QTestAlivePinger::event(QEvent *event) +{ + // pong received + if (int(event->type()) == QTestAliveEvent::AliveEventType) { + QTestAliveEvent *e = static_cast<QTestAliveEvent *>(event); + //qDebug("PONG %d received", e->sequenceId()); + // if the events are not delivered in order, we don't care. + if (e->sequenceId() > lastSequenceId) + lastSequenceId = e->sequenceId(); + return true; + } + return QObject::event(event); +} + +void QTestAlivePinger::timerEvent(QTimerEvent *event) +{ + if (event->timerId() != timerId) + return; + + if (lastSequenceId < currentSequenceId - 2) { + qWarning("TEST LAGS %d PINGS behind!", currentSequenceId - lastSequenceId); + } + ++currentSequenceId; + //qDebug("PING %d", currentSequenceId); + QCoreApplication::postEvent(rec, new QTestAliveEvent(currentSequenceId)); +} + +class QTestAlive: public QThread +{ +public: + QTestAlive(QObject *parent = 0); + ~QTestAlive(); + void run(); + + bool event(QEvent *e); + +private: + QTestAlivePinger *pinger; +}; + +QTestAlive::QTestAlive(QObject *parent) + : QThread(parent), pinger(0) +{ +} + +QTestAlive::~QTestAlive() +{ + quit(); + while (isRunning()); +} + +bool QTestAlive::event(QEvent *e) +{ + if (int(e->type()) == QTestAliveEvent::AliveEventType && pinger) { + // ping received, send back the pong + //qDebug("PONG %d", static_cast<QTestAliveEvent *>(e)->sequenceId()); + QCoreApplication::postEvent(pinger, + new QTestAliveEvent(static_cast<QTestAliveEvent *>(e)->sequenceId())); + return true; + } + return QThread::event(e); +} + +void QTestAlive::run() +{ + if (!QCoreApplication::instance()) + qFatal("QTestAlive::run(): Cannot start QTestAlive without a QCoreApplication instance."); + + QTestAlivePinger p(this); + pinger = &p; + exec(); + pinger = 0; +} + + |