Long live Qt 4.5!

1 files changed, 151 insertions, 0 deletions

diff --git a/tests/auto/qobjectrace/tst_qobjectrace.cpp b/tests/auto/qobjectrace/tst_qobjectrace.cpp
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+++ b/tests/auto/qobjectrace/tst_qobjectrace.cpp
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+/****************************************************************************
+**
+** 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 <QtCore>
+#include <QtTest/QtTest>
+
+enum { OneMinute = 60 * 1000, TwoMinutes = OneMinute * 2 };
+
+class tst_QObjectRace: public QObject
+{
+    Q_OBJECT
+private slots:
+    void moveToThreadRace();
+};
+
+class RaceObject : public QObject
+{
+    Q_OBJECT
+    QList<QThread *> threads;
+    int count;
+
+public:
+    RaceObject()
+        : count(0)
+    { }
+
+    void addThread(QThread *thread)
+    { threads.append(thread); }
+
+public slots:
+    void theSlot()
+    {
+        enum { step = 1000 };
+        if ((++count % step) == 0) {
+            QThread *nextThread = threads.at((count / step) % threads.size());
+            moveToThread(nextThread);
+        }
+    }
+};
+
+class RaceThread : public QThread
+{
+    Q_OBJECT
+    RaceObject *object;
+    QTime stopWatch;
+
+public:
+    RaceThread()
+        : object(0)
+    { }
+
+    void setObject(RaceObject *o)
+    {
+        object = o;
+        object->addThread(this);
+    }
+
+    void start() {
+        stopWatch.start();
+        QThread::start();
+    }
+
+    void run() {
+        QTimer zeroTimer;
+        connect(&zeroTimer, SIGNAL(timeout()), object, SLOT(theSlot()));
+        connect(&zeroTimer, SIGNAL(timeout()), this, SLOT(checkStopWatch()), Qt::DirectConnection);
+        zeroTimer.start(0);
+        (void) exec();
+    }
+
+signals:
+    void theSignal();
+
+private slots:
+    void checkStopWatch()
+    {
+#ifndef Q_OS_WINCE
+        if (stopWatch.elapsed() >= OneMinute)
+#else
+        if (stopWatch.elapsed() >= OneMinute / 2)
+#endif
+            quit();
+    }
+};
+
+void tst_QObjectRace::moveToThreadRace()
+{
+    RaceObject *object = new RaceObject;
+
+    enum { ThreadCount = 10 };
+    RaceThread *threads[ThreadCount];
+    for (int i = 0; i < ThreadCount; ++i) {
+        threads[i] = new RaceThread;
+        threads[i]->setObject(object);
+    }
+
+    object->moveToThread(threads[0]);
+
+    for (int i = 0; i < ThreadCount; ++i)
+        threads[i]->start();
+    QVERIFY(threads[0]->wait(TwoMinutes));
+    // the other threads should finish pretty quickly now
+    for (int i = 1; i < ThreadCount; ++i)
+        QVERIFY(threads[i]->wait(30000));
+
+    for (int i = 0; i < ThreadCount; ++i)
+        delete threads[i];
+    delete object;
+}
+
+QTEST_MAIN(tst_QObjectRace)
+#include "tst_qobjectrace.moc"