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/*
Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies)
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
// Functions and macros that really need to be in QTestLib
#include <QEventLoop>
#include <QSignalSpy>
#include <QTimer>
#if !defined(TESTS_SOURCE_DIR)
#define TESTS_SOURCE_DIR ""
#endif
/**
* Starts an event loop that runs until the given signal is received.
* Optionally the event loop
* can return earlier on a timeout.
*
* \return \p true if the requested signal was received
* \p false on timeout
*/
static bool waitForSignal(QObject* obj, const char* signal, int timeout = 10000)
{
QEventLoop loop;
QObject::connect(obj, signal, &loop, SLOT(quit()));
QTimer timer;
QSignalSpy timeoutSpy(&timer, SIGNAL(timeout()));
if (timeout > 0) {
QObject::connect(&timer, SIGNAL(timeout()), &loop, SLOT(quit()));
timer.setSingleShot(true);
timer.start(timeout);
}
loop.exec();
return timeoutSpy.isEmpty();
}
// Will try to wait for the condition while allowing event processing
#define QTRY_VERIFY(__expr) \
do { \
const int __step = 50; \
const int __timeout = 5000; \
if (!(__expr)) { \
QTest::qWait(0); \
} \
for (int __i = 0; __i < __timeout && !(__expr); __i+=__step) { \
QTest::qWait(__step); \
} \
QVERIFY(__expr); \
} while(0)
// Will try to wait for the condition while allowing event processing
#define QTRY_COMPARE(__expr, __expected) \
do { \
const int __step = 50; \
const int __timeout = 5000; \
if ((__expr) != (__expected)) { \
QTest::qWait(0); \
} \
for (int __i = 0; __i < __timeout && ((__expr) != (__expected)); __i+=__step) { \
QTest::qWait(__step); \
} \
QCOMPARE(__expr, __expected); \
} while(0)
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