summaryrefslogtreecommitdiffstats
path: root/tests/auto/qreadlocker
diff options
context:
space:
mode:
Diffstat (limited to 'tests/auto/qreadlocker')
-rw-r--r--tests/auto/qreadlocker/.gitignore1
-rw-r--r--tests/auto/qreadlocker/qreadlocker.pro5
-rw-r--r--tests/auto/qreadlocker/tst_qreadlocker.cpp235
3 files changed, 241 insertions, 0 deletions
diff --git a/tests/auto/qreadlocker/.gitignore b/tests/auto/qreadlocker/.gitignore
new file mode 100644
index 0000000..2539362
--- /dev/null
+++ b/tests/auto/qreadlocker/.gitignore
@@ -0,0 +1 @@
+tst_qreadlocker
diff --git a/tests/auto/qreadlocker/qreadlocker.pro b/tests/auto/qreadlocker/qreadlocker.pro
new file mode 100644
index 0000000..33b0987
--- /dev/null
+++ b/tests/auto/qreadlocker/qreadlocker.pro
@@ -0,0 +1,5 @@
+load(qttest_p4)
+SOURCES += tst_qreadlocker.cpp
+QT = core
+
+
diff --git a/tests/auto/qreadlocker/tst_qreadlocker.cpp b/tests/auto/qreadlocker/tst_qreadlocker.cpp
new file mode 100644
index 0000000..c650ff5
--- /dev/null
+++ b/tests/auto/qreadlocker/tst_qreadlocker.cpp
@@ -0,0 +1,235 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the test suite 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.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+
+#include <QtTest/QtTest>
+
+#include <QCoreApplication>
+#include <QReadLocker>
+#include <QSemaphore>
+#include <QThread>
+
+//TESTED_CLASS=
+//TESTED_FILES=
+
+class tst_QReadLockerThread : public QThread
+{
+public:
+ QReadWriteLock lock;
+ QSemaphore semaphore, testSemaphore;
+
+ void waitForTest()
+ {
+ semaphore.release();
+ testSemaphore.acquire();
+ }
+};
+
+class tst_QReadLocker : public QObject
+{
+ Q_OBJECT
+
+public:
+ tst_QReadLocker();
+ ~tst_QReadLocker();
+
+ tst_QReadLockerThread *thread;
+
+ void waitForThread()
+ {
+ thread->semaphore.acquire();
+ }
+ void releaseThread()
+ {
+ thread->testSemaphore.release();
+ }
+
+private slots:
+ void scopeTest();
+ void unlockAndRelockTest();
+ void lockerStateTest();
+};
+
+tst_QReadLocker::tst_QReadLocker()
+{
+}
+
+tst_QReadLocker::~tst_QReadLocker()
+{
+}
+
+void tst_QReadLocker::scopeTest()
+{
+ class ScopeTestThread : public tst_QReadLockerThread
+ {
+ public:
+ void run()
+ {
+ waitForTest();
+
+ {
+ QReadLocker locker(&lock);
+ waitForTest();
+ }
+
+ waitForTest();
+ }
+ };
+
+ thread = new ScopeTestThread;
+ thread->start();
+
+ waitForThread();
+ // lock should be unlocked before entering the scope that creates the QReadLocker
+ QVERIFY(thread->lock.tryLockForWrite());
+ thread->lock.unlock();
+ releaseThread();
+
+ waitForThread();
+ // lock should be locked by the QReadLocker
+ QVERIFY(!thread->lock.tryLockForWrite());
+ releaseThread();
+
+ waitForThread();
+ // lock should be unlocked when the QReadLocker goes out of scope
+ QVERIFY(thread->lock.tryLockForWrite());
+ thread->lock.unlock();
+ releaseThread();
+
+ QVERIFY(thread->wait());
+
+ delete thread;
+ thread = 0;
+}
+
+
+void tst_QReadLocker::unlockAndRelockTest()
+{
+ class UnlockAndRelockThread : public tst_QReadLockerThread
+ {
+ public:
+ void run()
+ {
+ QReadLocker locker(&lock);
+
+ waitForTest();
+
+ locker.unlock();
+
+ waitForTest();
+
+ locker.relock();
+
+ waitForTest();
+ }
+ };
+
+ thread = new UnlockAndRelockThread;
+ thread->start();
+
+ waitForThread();
+ // lock should be locked by the QReadLocker
+ QVERIFY(!thread->lock.tryLockForWrite());
+ releaseThread();
+
+ waitForThread();
+ // lock has been explicitly unlocked via QReadLocker
+ QVERIFY(thread->lock.tryLockForWrite());
+ thread->lock.unlock();
+ releaseThread();
+
+ waitForThread();
+ // lock has been explicity relocked via QReadLocker
+ QVERIFY(!thread->lock.tryLockForWrite());
+ releaseThread();
+
+ QVERIFY(thread->wait());
+
+ delete thread;
+ thread = 0;
+}
+
+void tst_QReadLocker::lockerStateTest()
+{
+#if QT_VERSION < 0x040200
+ QSKIP("QReadLocker doesn't keep state in Qt < 4.2", SkipAll);
+#else
+ class LockerStateThread : public tst_QReadLockerThread
+ {
+ public:
+ void run()
+ {
+ {
+ QReadLocker locker(&lock);
+ locker.relock();
+ locker.unlock();
+
+ waitForTest();
+ }
+
+ waitForTest();
+ }
+ };
+
+ thread = new LockerStateThread;
+ thread->start();
+
+ waitForThread();
+ // even though we relock() after creating the QReadLocker, it shouldn't lock the lock more than once
+ QVERIFY(thread->lock.tryLockForWrite());
+ thread->lock.unlock();
+ releaseThread();
+
+ waitForThread();
+ // if we call QReadLocker::unlock(), its destructor should do nothing
+ QVERIFY(thread->lock.tryLockForWrite());
+ thread->lock.unlock();
+ releaseThread();
+
+ QVERIFY(thread->wait());
+
+ delete thread;
+ thread = 0;
+#endif
+}
+
+QTEST_MAIN(tst_QReadLocker)
+#include "tst_qreadlocker.moc"
generated by cgit v0.12 at 2024-11-18 15:39:23 (GMT)