File indexing completed on 2023-09-24 04:04:59

0001 /* This file is part of the KDE libraries
0002    Copyright (C) 2006 David Faure <faure@kde.org>
0003 
0004    This library is free software; you can redistribute it and/or
0005    modify it under the terms of the GNU Library General Public
0006    License version 2 as published by the Free Software Foundation.
0007 
0008    This library is distributed in the hope that it will be useful,
0009    but WITHOUT ANY WARRANTY; without even the implied warranty of
0010    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
0011    Library General Public License for more details.
0012 
0013    You should have received a copy of the GNU Library General Public License
0014    along with this library; see the file COPYING.LIB.  If not, write to
0015    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
0016    Boston, MA 02110-1301, USA.
0017 */
0018 
0019 #include "qtest_kde.h"
0020 
0021 #include <QTimer>
0022 
0023 // A signal spy which exits the event loop when the signal is called,
0024 // and remembers that the signal was emitted.
0025 class KDESignalSpy : public QObject
0026 {
0027     Q_OBJECT
0028 public:
0029     KDESignalSpy(QObject *obj, const char *signal, int timeout)
0030         : QObject(nullptr), m_obj(obj), m_emitted(false)
0031     {
0032         connect(obj, signal, this, SLOT(slotSignalEmitted()));
0033         if (timeout > 0) {
0034             QObject::connect(&m_timer, SIGNAL(timeout()), &m_loop, SLOT(quit()));
0035             m_timer.setSingleShot(true);
0036             m_timer.start(timeout);
0037         }
0038         m_loop.exec();
0039     }
0040     bool signalEmitted() const
0041     {
0042         return m_emitted;
0043     }
0044 
0045 private Q_SLOTS:
0046     void slotSignalEmitted()
0047     {
0048         m_emitted = true;
0049         disconnect(m_obj, nullptr, this, nullptr);
0050         m_timer.stop();
0051         m_loop.quit();
0052     }
0053 private:
0054     QObject *m_obj;
0055     bool m_emitted;
0056     QEventLoop m_loop;
0057     QTimer m_timer;
0058 };
0059 
0060 // Unit test for this code: tests/kglobaltest.cpp
0061 
0062 bool QTest::kWaitForSignal(QObject *obj, const char *signal, int timeout)
0063 {
0064     KDESignalSpy spy(obj, signal, timeout);
0065     return spy.signalEmitted();
0066 }
0067 
0068 #include "qtest_kde.moc"