10a79f783b
(cherry picked from commit 7f5797a784e237672f291055020ef4bbb6199893) Conflicts: tests/auto/qaccessibility/tst_qaccessibility.cpp tests/auto/qscriptengineagent/tst_qscriptengineagent.cpp tests/auto/qsortfilterproxymodel/tst_qsortfilterproxymodel.cpp tests/auto/qsvgrenderer/tst_qsvgrenderer.cpp Change-Id: I8bab7ee83f6e32bba2574aad82b288fb05b503eb Reviewed-on: http://codereview.qt.nokia.com/1253 Reviewed-by: Casper van Donderen <casper.vandonderen@nokia.com>
237 lines
5.4 KiB
C++
237 lines
5.4 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the test suite of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** GNU Lesser General Public License Usage
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** This file may be used under the terms of the GNU Lesser General Public
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** License version 2.1 as published by the Free Software Foundation and
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** appearing in the file LICENSE.LGPL included in the packaging of this
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** file. Please review the following information to ensure the GNU Lesser
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** General Public License version 2.1 requirements will be met:
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU General
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** Public License version 3.0 as published by the Free Software Foundation
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** and appearing in the file LICENSE.GPL included in the packaging of this
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** file. Please review the following information to ensure the GNU General
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** Public License version 3.0 requirements will be met:
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** http://www.gnu.org/copyleft/gpl.html.
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**
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** Other Usage
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** Alternatively, this file may be used in accordance with the terms and
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** conditions contained in a signed written agreement between you and Nokia.
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <QtTest/QtTest>
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#include <QCoreApplication>
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#include <QMutexLocker>
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#include <QSemaphore>
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#include <QThread>
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//TESTED_CLASS=
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//TESTED_FILES=
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class tst_QMutexLockerThread : public QThread
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{
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public:
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QMutex mutex;
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QSemaphore semaphore, testSemaphore;
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void waitForTest()
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{
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semaphore.release();
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testSemaphore.acquire();
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}
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tst_QMutexLockerThread()
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: mutex(QMutex::Recursive)
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{
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}
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};
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class tst_QMutexLocker : public QObject
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{
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Q_OBJECT
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public:
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tst_QMutexLocker();
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~tst_QMutexLocker();
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tst_QMutexLockerThread *thread;
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void waitForThread()
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{
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thread->semaphore.acquire();
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}
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void releaseThread()
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{
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thread->testSemaphore.release();
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}
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private slots:
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void scopeTest();
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void unlockAndRelockTest();
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void lockerStateTest();
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};
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tst_QMutexLocker::tst_QMutexLocker()
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{
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}
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tst_QMutexLocker::~tst_QMutexLocker()
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{
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}
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void tst_QMutexLocker::scopeTest()
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{
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class ScopeTestThread : public tst_QMutexLockerThread
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{
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public:
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void run()
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{
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waitForTest();
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{
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QMutexLocker locker(&mutex);
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waitForTest();
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}
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waitForTest();
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}
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};
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thread = new ScopeTestThread;
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thread->start();
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waitForThread();
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// mutex should be unlocked before entering the scope that creates the QMutexLocker
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QVERIFY(thread->mutex.tryLock());
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thread->mutex.unlock();
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releaseThread();
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waitForThread();
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// mutex should be locked by the QMutexLocker
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QVERIFY(!thread->mutex.tryLock());
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releaseThread();
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waitForThread();
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// mutex should be unlocked when the QMutexLocker goes out of scope
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QVERIFY(thread->mutex.tryLock());
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thread->mutex.unlock();
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releaseThread();
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QVERIFY(thread->wait());
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delete thread;
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thread = 0;
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}
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void tst_QMutexLocker::unlockAndRelockTest()
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{
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class UnlockAndRelockThread : public tst_QMutexLockerThread
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{
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public:
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void run()
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{
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QMutexLocker locker(&mutex);
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waitForTest();
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locker.unlock();
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waitForTest();
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locker.relock();
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waitForTest();
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}
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};
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thread = new UnlockAndRelockThread;
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thread->start();
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waitForThread();
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// mutex should be locked by the QMutexLocker
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QVERIFY(!thread->mutex.tryLock());
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releaseThread();
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waitForThread();
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// mutex has been explicitly unlocked via QMutexLocker
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QVERIFY(thread->mutex.tryLock());
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thread->mutex.unlock();
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releaseThread();
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waitForThread();
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// mutex has been explicitly relocked via QMutexLocker
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QVERIFY(!thread->mutex.tryLock());
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releaseThread();
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QVERIFY(thread->wait());
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delete thread;
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thread = 0;
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}
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void tst_QMutexLocker::lockerStateTest()
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{
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class LockerStateThread : public tst_QMutexLockerThread
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{
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public:
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void run()
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{
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{
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QMutexLocker locker(&mutex);
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locker.relock();
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locker.unlock();
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waitForTest();
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}
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waitForTest();
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}
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};
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thread = new LockerStateThread;
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thread->start();
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waitForThread();
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// even though we relock() after creating the QMutexLocker, it shouldn't lock the mutex more than once
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QVERIFY(thread->mutex.tryLock());
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thread->mutex.unlock();
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releaseThread();
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waitForThread();
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// if we call QMutexLocker::unlock(), its destructor should do nothing
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QVERIFY(thread->mutex.tryLock());
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thread->mutex.unlock();
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releaseThread();
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QVERIFY(thread->wait());
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delete thread;
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thread = 0;
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}
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QTEST_MAIN(tst_QMutexLocker)
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#include "tst_qmutexlocker.moc"
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