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qtest_kde.cpp
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1/* This file is part of the KDE libraries
2 Copyright (C) 2006 David Faure <faure@kde.org>
3
4 This library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Library General Public
6 License version 2 as published by the Free Software Foundation.
7
8 This library is distributed in the hope that it will be useful,
9 but WITHOUT ANY WARRANTY; without even the implied warranty of
10 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 Library General Public License for more details.
12
13 You should have received a copy of the GNU Library General Public License
14 along with this library; see the file COPYING.LIB. If not, write to
15 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
16 Boston, MA 02110-1301, USA.
17*/
18
19#include "qtest_kde.h"
20
21// A signal spy which exits the event loop when the signal is called,
22// and remembers that the signal was emitted.
23class KDESignalSpy : public QObject
24{
25 Q_OBJECT
26public:
27 KDESignalSpy(QObject *obj, const char *signal, int timeout)
28 : QObject(0), m_obj(obj), m_emitted(false)
29 {
30 connect(obj, signal, this, SLOT(slotSignalEmitted()));
31 if (timeout > 0) {
32 QObject::connect(&m_timer, SIGNAL(timeout()), &m_loop, SLOT(quit()));
33 m_timer.setSingleShot(true);
34 m_timer.start(timeout);
35 }
36 m_loop.exec();
37 }
38 bool signalEmitted() const { return m_emitted; }
39
40private Q_SLOTS:
41 void slotSignalEmitted()
42 {
43 m_emitted = true;
44 disconnect(m_obj, 0, this, 0);
45 m_timer.stop();
46 m_loop.quit();
47 }
48private:
49 QObject* m_obj;
50 bool m_emitted;
51 QEventLoop m_loop;
52 QTimer m_timer;
53};
54
55// Unit test for this code: tests/kglobaltest.cpp
56
57bool QTest::kWaitForSignal(QObject *obj, const char *signal, int timeout )
58{
59 KDESignalSpy spy(obj, signal, timeout);
60 return spy.signalEmitted();
61}
62
63#include "qtest_kde.moc"
QObject
timeout
int timeout
Definition: kkernel_mac.cpp:46
QTest::kWaitForSignal
bool kWaitForSignal(QObject *obj, const char *signal, int timeout=0)
Starts an event loop that runs until the given signal is received.
Definition: qtest_kde.cpp:57
qtest_kde.h
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