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qt5base-lts/tests/auto/qthreadstorage/tst_qthreadstorage.cpp
Qt by Nokia 38be0d1383 Initial import from the monolithic Qt. 
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Branched from the monolithic repo, Qt master branch, at commit
896db169ea224deb96c59ce8af800d019de63f12
2011-04-27 12:05:43 +02:00

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/****************************************************************************
**
** Copyright (C) 2011 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();
void QTBUG13877_crashOnExit();
void QTBUG14579_leakInDestructor();
void QTBUG14579_resetInDestructor();
void valueBased();
};
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);
}
void tst_QThreadStorage::QTBUG13877_crashOnExit()
{
QProcess process;
#ifdef Q_OS_WIN
# ifdef QT_NO_DEBUG
process.start("release/crashOnExit");
# else
process.start("debug/crashOnExit");
# endif
#else
process.start("./crashOnExit");
#endif
QVERIFY(process.waitForFinished());
QVERIFY(process.exitStatus() != QProcess::CrashExit);
}
// S stands for thread Safe.
class SPointer
{
public:
static QBasicAtomicInt count;
inline SPointer() { count.ref(); }
inline ~SPointer() { count.deref(); }
inline SPointer(const SPointer &other) { count.ref(); }
};
QBasicAtomicInt SPointer::count = Q_BASIC_ATOMIC_INITIALIZER(0);
Q_GLOBAL_STATIC(QThreadStorage<SPointer *>, QTBUG14579_pointers1)
Q_GLOBAL_STATIC(QThreadStorage<SPointer *>, QTBUG14579_pointers2)
class QTBUG14579_class
{
public:
SPointer member;
inline ~QTBUG14579_class() {
QVERIFY(!QTBUG14579_pointers1()->hasLocalData());
QVERIFY(!QTBUG14579_pointers2()->hasLocalData());
QTBUG14579_pointers2()->setLocalData(new SPointer);
QTBUG14579_pointers1()->setLocalData(new SPointer);
QVERIFY(QTBUG14579_pointers1()->hasLocalData());
QVERIFY(QTBUG14579_pointers2()->hasLocalData());
}
};
void tst_QThreadStorage::QTBUG14579_leakInDestructor()
{
class Thread : public QThread
{
public:
QThreadStorage<QTBUG14579_class *> &tls;
Thread(QThreadStorage<QTBUG14579_class *> &t) : tls(t) { }
void run()
{
QVERIFY(!tls.hasLocalData());
tls.setLocalData(new QTBUG14579_class);
QVERIFY(tls.hasLocalData());
}
};
int c = SPointer::count;
QThreadStorage<QTBUG14579_class *> tls;
QVERIFY(!QTBUG14579_pointers1()->hasLocalData());
QThreadStorage<int *> tls2; //add some more tls to make sure ids are not following each other too much
QThreadStorage<int *> tls3;
QVERIFY(!tls2.hasLocalData());
QVERIFY(!tls3.hasLocalData());
QVERIFY(!tls.hasLocalData());
Thread t1(tls);
Thread t2(tls);
Thread t3(tls);
t1.start();
t2.start();
t3.start();
QVERIFY(t1.wait());
QVERIFY(t2.wait());
QVERIFY(t3.wait());
//check all the constructed things have been destructed
QCOMPARE(int(SPointer::count), c);
}
class QTBUG14579_reset {
public:
SPointer member;
~QTBUG14579_reset();
};
Q_GLOBAL_STATIC(QThreadStorage<QTBUG14579_reset *>, QTBUG14579_resetTls)
QTBUG14579_reset::~QTBUG14579_reset() {
//Quite stupid, but WTF::ThreadSpecific<T>::destroy does it.
QTBUG14579_resetTls()->setLocalData(this);
}
void tst_QThreadStorage::QTBUG14579_resetInDestructor()
{
class Thread : public QThread
{
public:
void run()
{
QVERIFY(!QTBUG14579_resetTls()->hasLocalData());
QTBUG14579_resetTls()->setLocalData(new QTBUG14579_reset);
QVERIFY(QTBUG14579_resetTls()->hasLocalData());
}
};
int c = SPointer::count;
Thread t1;
Thread t2;
Thread t3;
t1.start();
t2.start();
t3.start();
QVERIFY(t1.wait());
QVERIFY(t2.wait());
QVERIFY(t3.wait());
//check all the constructed things have been destructed
QCOMPARE(int(SPointer::count), c);
}
void tst_QThreadStorage::valueBased()
{
struct Thread : QThread {
QThreadStorage<SPointer> &tlsSPointer;
QThreadStorage<QString> &tlsString;
QThreadStorage<int> &tlsInt;
int someNumber;
QString someString;
Thread(QThreadStorage<SPointer> &t1, QThreadStorage<QString> &t2, QThreadStorage<int> &t3)
: tlsSPointer(t1), tlsString(t2), tlsInt(t3) { }
void run() {
/*QVERIFY(!tlsSPointer.hasLocalData());
QVERIFY(!tlsString.hasLocalData());
QVERIFY(!tlsInt.hasLocalData());*/
SPointer pointercopy = tlsSPointer.localData();
//Default constructed values
QVERIFY(tlsString.localData().isNull());
QCOMPARE(tlsInt.localData(), 0);
//setting
tlsString.setLocalData(someString);
tlsInt.setLocalData(someNumber);
QCOMPARE(tlsString.localData(), someString);
QCOMPARE(tlsInt.localData(), someNumber);
//changing
tlsSPointer.setLocalData(SPointer());
tlsInt.localData() += 42;
tlsString.localData().append(QLatin1String(" world"));
QCOMPARE(tlsString.localData(), (someString + QLatin1String(" world")));
QCOMPARE(tlsInt.localData(), (someNumber + 42));
// operator=
tlsString.localData() = QString::number(someNumber);
QCOMPARE(tlsString.localData().toInt(), someNumber);
}
};
QThreadStorage<SPointer> tlsSPointer;
QThreadStorage<QString> tlsString;
QThreadStorage<int> tlsInt;
int c = SPointer::count;
Thread t1(tlsSPointer, tlsString, tlsInt);
Thread t2(tlsSPointer, tlsString, tlsInt);
Thread t3(tlsSPointer, tlsString, tlsInt);
t1.someNumber = 42;
t2.someNumber = -128;
t3.someNumber = 78;
t1.someString = "hello";
t2.someString = "trolltech";
t3.someString = "nokia";
t1.start();
t2.start();
t3.start();
QVERIFY(t1.wait());
QVERIFY(t2.wait());
QVERIFY(t3.wait());
QCOMPARE(c, int(SPointer::count));
}
QTEST_MAIN(tst_QThreadStorage)
#include "tst_qthreadstorage.moc"
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