tests/auto/qthreadstorage/tst_qthreadstorage.cpp
changeset 0 1918ee327afb
child 4 3b1da2848fc7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/auto/qthreadstorage/tst_qthreadstorage.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,297 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (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 Technology Preview License Agreement accompanying
+** this package.
+**
+** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+
+#include <QtTest/QtTest>
+
+#include <qcoreapplication.h>
+#include <qmutex.h>
+#include <qthread.h>
+#include <qwaitcondition.h>
+#include <qthreadstorage.h>
+
+#ifdef Q_OS_UNIX
+#include <pthread.h>
+#endif
+#ifdef Q_OS_WIN
+#ifndef Q_OS_WINCE
+#include <process.h>
+#endif
+#include <windows.h>
+#endif
+
+//TESTED_CLASS=
+//TESTED_FILES=
+
+class tst_QThreadStorage : public QObject
+{
+    Q_OBJECT
+
+public:
+    tst_QThreadStorage();
+
+private slots:
+    void hasLocalData();
+    void localData();
+    void localData_const();
+    void setLocalData();
+    void autoDelete();
+    void adoptedThreads();
+    void ensureCleanupOrder();
+};
+
+class Pointer
+{
+public:
+    static int count;
+    inline Pointer() { ++count; }
+    inline ~Pointer() { --count; }
+};
+int Pointer::count = 0;
+
+tst_QThreadStorage::tst_QThreadStorage()
+
+{ }
+
+void tst_QThreadStorage::hasLocalData()
+{
+    QThreadStorage<Pointer *> pointers;
+    QVERIFY(!pointers.hasLocalData());
+    pointers.setLocalData(new Pointer);
+    QVERIFY(pointers.hasLocalData());
+    pointers.setLocalData(0);
+    QVERIFY(!pointers.hasLocalData());
+}
+
+void tst_QThreadStorage::localData()
+{
+    QThreadStorage<Pointer*> pointers;
+    Pointer *p = new Pointer;
+    QVERIFY(!pointers.hasLocalData());
+    pointers.setLocalData(p);
+    QVERIFY(pointers.hasLocalData());
+    QCOMPARE(pointers.localData(), p);
+    pointers.setLocalData(0);
+    QCOMPARE(pointers.localData(), (Pointer *)0);
+    QVERIFY(!pointers.hasLocalData());
+}
+
+void tst_QThreadStorage::localData_const()
+{
+    QThreadStorage<Pointer *> pointers;
+    const QThreadStorage<Pointer *> &const_pointers = pointers;
+    Pointer *p = new Pointer;
+    QVERIFY(!pointers.hasLocalData());
+    pointers.setLocalData(p);
+    QVERIFY(pointers.hasLocalData());
+    QCOMPARE(const_pointers.localData(), p);
+    pointers.setLocalData(0);
+    QCOMPARE(const_pointers.localData(), (Pointer *)0);
+    QVERIFY(!pointers.hasLocalData());
+}
+
+void tst_QThreadStorage::setLocalData()
+{
+    QThreadStorage<Pointer *> pointers;
+    QVERIFY(!pointers.hasLocalData());
+    pointers.setLocalData(new Pointer);
+    QVERIFY(pointers.hasLocalData());
+    pointers.setLocalData(0);
+    QVERIFY(!pointers.hasLocalData());
+}
+
+class Thread : public QThread
+{
+public:
+    QThreadStorage<Pointer *> &pointers;
+
+    QMutex mutex;
+    QWaitCondition cond;
+
+    Thread(QThreadStorage<Pointer *> &p)
+        : pointers(p)
+    { }
+
+    void run()
+    {
+        pointers.setLocalData(new Pointer);
+
+        QMutexLocker locker(&mutex);
+        cond.wakeOne();
+        cond.wait(&mutex);
+    }
+};
+
+void tst_QThreadStorage::autoDelete()
+{
+    QThreadStorage<Pointer *> pointers;
+    QVERIFY(!pointers.hasLocalData());
+
+    Thread thread(pointers);
+    int c = Pointer::count;
+    {
+        QMutexLocker locker(&thread.mutex);
+        thread.start();
+        thread.cond.wait(&thread.mutex);
+        // QCOMPARE(Pointer::count, c + 1);
+        thread.cond.wakeOne();
+    }
+    thread.wait();
+    QCOMPARE(Pointer::count, c);
+}
+
+bool threadStorageOk;
+void testAdoptedThreadStorageWin(void *p)
+{
+    QThreadStorage<Pointer *>  *pointers = reinterpret_cast<QThreadStorage<Pointer *> *>(p);
+    if (pointers->hasLocalData()) {
+        threadStorageOk = false;
+        return;
+    }
+
+    Pointer *pointer = new Pointer();
+    pointers->setLocalData(pointer);
+
+    if (pointers->hasLocalData() == false) {
+        threadStorageOk = false;
+        return;
+    }
+
+    if (pointers->localData() != pointer) {
+        threadStorageOk = false;
+        return;
+    }
+    QObject::connect(QThread::currentThread(), SIGNAL(finished()), &QTestEventLoop::instance(), SLOT(exitLoop()));
+}
+void *testAdoptedThreadStorageUnix(void *pointers)
+{
+    testAdoptedThreadStorageWin(pointers);
+    return 0;
+}
+void tst_QThreadStorage::adoptedThreads()
+{
+    QTestEventLoop::instance(); // Make sure the instance is created in this thread.
+    QThreadStorage<Pointer *> pointers;
+    int c = Pointer::count;
+    threadStorageOk = true;
+    {
+#ifdef Q_OS_UNIX
+        pthread_t thread;
+        const int state = pthread_create(&thread, 0, testAdoptedThreadStorageUnix, &pointers);
+        QCOMPARE(state, 0);
+        pthread_join(thread, 0);
+#elif defined Q_OS_WIN
+        HANDLE thread;
+#if defined(Q_OS_WINCE)
+        thread = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)testAdoptedThreadStorageWin, &pointers, 0, NULL);
+#else
+        thread = (HANDLE)_beginthread(testAdoptedThreadStorageWin, 0, &pointers);
+#endif
+        QVERIFY(thread);
+        WaitForSingleObject(thread, INFINITE);
+#endif
+    }
+    QVERIFY(threadStorageOk);
+
+    QTestEventLoop::instance().enterLoop(2);
+    QVERIFY(!QTestEventLoop::instance().timeout());
+
+    QCOMPARE(Pointer::count, c);
+}
+
+QBasicAtomicInt cleanupOrder = Q_BASIC_ATOMIC_INITIALIZER(0);
+
+class First
+{
+public:
+    ~First()
+    {
+        order = cleanupOrder.fetchAndAddRelaxed(1);
+    }
+    static int order;
+};
+int First::order = -1;
+
+class Second
+{
+public:
+    ~Second()
+    {
+        order = cleanupOrder.fetchAndAddRelaxed(1);
+    }
+    static int order;
+};
+int Second::order = -1;
+
+void tst_QThreadStorage::ensureCleanupOrder()
+{
+    class Thread : public QThread
+    {
+    public:
+        QThreadStorage<First *> &first;
+        QThreadStorage<Second *> &second;
+
+        Thread(QThreadStorage<First *> &first,
+               QThreadStorage<Second *> &second)
+            : first(first), second(second)
+        { }
+
+        void run()
+        {
+            // set in reverse order, but shouldn't matter, the data
+            // will be deleted in the order the thread storage objects
+            // were created
+            second.setLocalData(new Second);
+            first.setLocalData(new First);
+        }
+    };
+
+    QThreadStorage<Second *> second;
+    QThreadStorage<First *> first;
+    Thread thread(first, second);
+    thread.start();
+    thread.wait();
+
+    QVERIFY(First::order < Second::order);
+}
+
+QTEST_MAIN(tst_QThreadStorage)
+#include "tst_qthreadstorage.moc"