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Diffstat (limited to 'src/testlib/qtesteventloop.h')
-rw-r--r-- | src/testlib/qtesteventloop.h | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/src/testlib/qtesteventloop.h b/src/testlib/qtesteventloop.h new file mode 100644 index 0000000..2a675d2 --- /dev/null +++ b/src/testlib/qtesteventloop.h @@ -0,0 +1,136 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the QtTest module 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 either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** 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 1.0, 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. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QTESTEVENTLOOP_H +#define QTESTEVENTLOOP_H + +#include <QtTest/qtest_global.h> + +#include <QtCore/qcoreapplication.h> +#include <QtCore/qeventloop.h> +#include <QtCore/qobject.h> +#include <QtCore/qpointer.h> + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +QT_MODULE(Test) + +class Q_TESTLIB_EXPORT QTestEventLoop : public QObject +{ + Q_OBJECT + +public: + inline QTestEventLoop(QObject *aParent = 0) + : QObject(aParent), inLoop(false), _timeout(false), timerId(-1), loop(0) {} + inline void enterLoop(int secs); + + + inline void changeInterval(int secs) + { killTimer(timerId); timerId = startTimer(secs * 1000); } + + inline bool timeout() const + { return _timeout; } + + inline static QTestEventLoop &instance() + { + static QPointer<QTestEventLoop> testLoop; + if (testLoop.isNull()) + testLoop = new QTestEventLoop(QCoreApplication::instance()); + return *static_cast<QTestEventLoop *>(testLoop); + } + +public Q_SLOTS: + inline void exitLoop(); + +protected: + inline void timerEvent(QTimerEvent *e); + +private: + bool inLoop; + bool _timeout; + int timerId; + + QEventLoop *loop; +}; + +inline void QTestEventLoop::enterLoop(int secs) +{ + Q_ASSERT(!loop); + + QEventLoop l; + + inLoop = true; + _timeout = false; + + timerId = startTimer(secs * 1000); + + loop = &l; + l.exec(); + loop = 0; +} + +inline void QTestEventLoop::exitLoop() +{ + if (timerId != -1) + killTimer(timerId); + timerId = -1; + + if (loop) + loop->exit(); + + inLoop = false; +} + +inline void QTestEventLoop::timerEvent(QTimerEvent *e) +{ + if (e->timerId() != timerId) + return; + _timeout = true; + exitLoop(); +} + +QT_END_NAMESPACE + +QT_END_HEADER + +#endif |