/****************************************************************************
**
** Copyright (C) 2010 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.
**
**
**
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** $QT_END_LICENSE$
**
****************************************************************************/
#define QT3_SUPPORT
#include <QtTest/QtTest>
#include <qcoreapplication.h>
#include <qpointer.h>
#include <qtimer.h>
#include <qregexp.h>
#include <qmetaobject.h>
#include <qvariant.h>
#include <QTcpServer>
#include <QTcpSocket>
#include <QThread>
#include <QMutex>
#include <QWaitCondition>
#include <QProcess>
#include "qobject.h"
#ifdef QT_BUILD_INTERNAL
#include <private/qobject_p.h>
#endif
#include <math.h>
//TESTED_CLASS=
//TESTED_FILES=
class tst_QObject : public QObject
{
Q_OBJECT
public:
tst_QObject();
virtual ~tst_QObject();
public slots:
void initTestCase();
void cleanupTestCase();
void init();
void cleanup();
private slots:
void disconnect();
void connectByName();
void connectSignalsToSignalsWithDefaultArguments();
void receivers();
void normalize();
void qobject_castTemplate();
void findChildren();
void connectDisconnectNotify_data();
void connectDisconnectNotify();
void emitInDefinedOrder();
void customTypes();
void streamCustomTypes();
void metamethod();
void namespaces();
void threadSignalEmissionCrash();
void thread();
void thread0();
void moveToThread();
void sender();
void declareInterface();
void qpointerResetBeforeDestroyedSignal();
void testUserData();
void childDeletesItsSibling();
void dynamicProperties();
void floatProperty();
void qrealProperty();
void property();
void recursiveSignalEmission();
void blockingQueuedConnection();
void compatibilityChildInsertedEvents();
void installEventFilter();
void deleteSelfInSlot();
void disconnectSelfInSlotAndDeleteAfterEmit();
void dumpObjectInfo();
void connectToSender();
void qobjectConstCast();
void uniqConnection();
void interfaceIid();
void deleteQObjectWhenDeletingEvent();
void overloads();
void isSignalConnected();
void qMetaObjectConnect();
void qMetaObjectDisconnectOne();
protected:
};
tst_QObject::tst_QObject()
{
}
tst_QObject::~tst_QObject()
{
}
void tst_QObject::initTestCase()
{
}
void tst_QObject::cleanupTestCase()
{
}
void tst_QObject::init()
{
}
void tst_QObject::cleanup()
{
}
class SenderObject : public QObject
{
Q_OBJECT
public:
SenderObject() : recursionCount(0) {}
void emitSignal1AfterRecursion()
{
if (recursionCount++ < 100)
emitSignal1AfterRecursion();
else
emitSignal1();
}
void emitSignal1() { emit signal1(); }
void emitSignal2() { emit signal2(); }
void emitSignal3() { emit signal3(); }
void emitSignal4() { emit signal4(); }
signals:
void signal1();
void signal2();
void signal3();
void signal4();
QT_MOC_COMPAT void signal5();
public slots:
void aPublicSlot(){}
public:
Q_INVOKABLE void invoke1(){}
Q_SCRIPTABLE void sinvoke1(){}
protected:
Q_INVOKABLE QT_MOC_COMPAT void invoke2(){}
Q_INVOKABLE QT_MOC_COMPAT void invoke2(int){}
Q_SCRIPTABLE QT_MOC_COMPAT void sinvoke2(){}
private:
Q_INVOKABLE void invoke3(int hinz = 0, int kunz = 0){Q_UNUSED(hinz) Q_UNUSED(kunz)}
Q_SCRIPTABLE void sinvoke3(){}
int recursionCount;
};
class ReceiverObject : public QObject
{
Q_OBJECT
public:
ReceiverObject() : sequence_slot1( 0 ),
sequence_slot2( 0 ),
sequence_slot3( 0 ),
sequence_slot4( 0 ) {}
void reset() {
sequence_slot4 = 0;
sequence_slot3 = 0;
sequence_slot2 = 0;
sequence_slot1 = 0;
count_slot1 = 0;
count_slot2 = 0;
count_slot3 = 0;
count_slot4 = 0;
}
int sequence_slot1;
int sequence_slot2;
int sequence_slot3;
int sequence_slot4;
int count_slot1;
int count_slot2;
int count_slot3;
int count_slot4;
bool called(int slot) {
switch (slot) {
case 1: return sequence_slot1;
case 2: return sequence_slot2;
case 3: return sequence_slot3;
case 4: return sequence_slot4;
default: return false;
}
}
static int sequence;
public slots:
void slot1() { sequence_slot1 = ++sequence; count_slot1++; }
void slot2() { sequence_slot2 = ++sequence; count_slot2++; }
void slot3() { sequence_slot3 = ++sequence; count_slot3++; }
void slot4() { sequence_slot4 = ++sequence; count_slot4++; }
};
int ReceiverObject::sequence = 0;
void tst_QObject::disconnect()
{
SenderObject *s = new SenderObject;
ReceiverObject *r1 = new ReceiverObject;
ReceiverObject *r2 = new ReceiverObject;
connect( s, SIGNAL( signal1() ), r1, SLOT( slot1() ) );
connect( s, SIGNAL( signal2() ), r1, SLOT( slot2() ) );
connect( s, SIGNAL( signal3() ), r1, SLOT( slot3() ) );
connect( s, SIGNAL( signal4() ), r1, SLOT( slot4() ) );
s->emitSignal1();
s->emitSignal2();
s->emitSignal3();
s->emitSignal4();
QCOMPARE( r1->called(1), TRUE );
QCOMPARE( r1->called(2), TRUE );
QCOMPARE( r1->called(3), TRUE );
QCOMPARE( r1->called(4), TRUE );
r1->reset();
// usual disconnect with all parameters given
bool ret = QObject::disconnect( s, SIGNAL( signal1() ), r1, SLOT( slot1() ) );
s->emitSignal1();
QCOMPARE( r1->called(1), FALSE );
r1->reset();
QCOMPARE( ret, TRUE );
ret = QObject::disconnect( s, SIGNAL( signal1() ), r1, SLOT( slot1() ) );
QCOMPARE( ret, FALSE );
// disconnect all signals from s from all slots from r1
QObject::disconnect( s, 0, r1, 0 );
s->emitSignal2();
s->emitSignal3();
s->emitSignal4();
QCOMPARE( r1->called(2), FALSE );
QCOMPARE( r1->called(3), FALSE );
QCOMPARE( r1->called(4), FALSE );
r1->reset();
connect( s, SIGNAL( signal1() ), r1, SLOT( slot1() ) );
connect( s, SIGNAL( signal1() ), r1, SLOT( slot2() ) );
connect( s, SIGNAL( signal1() ), r1, SLOT( slot3() ) );
connect( s, SIGNAL( signal2() ), r1, SLOT( slot4() ) );
// disconnect s's signal1() from all slots of r1
QObject::disconnect( s, SIGNAL( signal1() ), r1, 0 );
s->emitSignal1();
s->emitSignal2();
QCOMPARE( r1->called(1), FALSE );
QCOMPARE( r1->called(2), FALSE );
QCOMPARE( r1->called(3), FALSE );
QCOMPARE( r1->called(4), TRUE );
r1->reset();
// make sure all is disconnected again
QObject::disconnect( s, 0, r1, 0 );
connect( s, SIGNAL( signal1() ), r1, SLOT( slot1() ) );
connect( s, SIGNAL( signal1() ), r2, SLOT( slot1() ) );
connect( s, SIGNAL( signal2() ), r1, SLOT( slot2() ) );
connect( s, SIGNAL( signal2() ), r2, SLOT( slot2() ) );
connect( s, SIGNAL( signal3() ), r1, SLOT( slot3() ) );
connect( s, SIGNAL( signal3() ), r2, SLOT( slot3() ) );
// disconnect signal1() from all receivers
QObject::disconnect( s, SIGNAL( signal1() ), 0, 0 );
s->emitSignal1();
s->emitSignal2();
s->emitSignal3();
QCOMPARE( r1->called(1), FALSE );
QCOMPARE( r2->called(1), FALSE );
QCOMPARE( r1->called(2), TRUE );
QCOMPARE( r2->called(2), TRUE );
QCOMPARE( r1->called(2), TRUE );
QCOMPARE( r2->called(2), TRUE );
r1->reset();
r2->reset();
// disconnect all signals of s from all receivers
QObject::disconnect( s, 0, 0, 0 );
QCOMPARE( r1->called(2), FALSE );
QCOMPARE( r2->called(2), FALSE );
QCOMPARE( r1->called(2), FALSE );
QCOMPARE( r2->called(2), FALSE );
delete r2;
delete r1;
delete s;
}
class AutoConnectSender : public QObject
{
Q_OBJECT
public:
AutoConnectSender(QObject *parent)
: QObject(parent)
{}
void emitSignalNoParams() { emit signalNoParams(); }
void emitSignalWithParams(int i) { emit signalWithParams(i); }
void emitSignalWithParams(int i, QString string) { emit signalWithParams(i, string); }
void emitSignalManyParams(int i1, int i2, int i3, QString string, bool onoff) { emit signalManyParams(i1, i2, i3, string, onoff); }
void emitSignalManyParams2(int i1, int i2, int i3, QString string, bool onoff) { emit signalManyParams2(i1, i2, i3, string, onoff); }
void emitSignalLoopBack() { emit signalLoopBack(); }
signals:
void signalNoParams();
void signalWithParams(int i);
void signalWithParams(int i, QString string);
void signalManyParams(int i1, int i2, int i3, QString string, bool onoff);
void signalManyParams(int i1, int i2, int i3, QString string, bool onoff, bool);
void signalManyParams2(int i1, int i2, int i3, QString string, bool onoff);
void signalLoopBack();
};
class AutoConnectReceiver : public QObject
{
Q_OBJECT
public:
AutoConnectReceiver()
{
reset();
connect(this, SIGNAL(on_Sender_signalLoopBack()), this, SLOT(slotLoopBack()));
}
void reset() {
called_slot8 = 0;
called_slot7 = 0;
called_slot6 = 0;
called_slot5 = 0;
called_slot4 = 0;
called_slot3 = 0;
called_slot2 = 0;
called_slot1 = 0;
}
int called_slot1;
int called_slot2;
int called_slot3;
int called_slot4;
int called_slot5;
int called_slot6;
int called_slot7;
int called_slot8;
bool called(int slot) {
switch (slot) {
case 1: return called_slot1;
case 2: return called_slot2;
case 3: return called_slot3;
case 4: return called_slot4;
case 5: return called_slot5;
case 6: return called_slot6;
case 7: return called_slot7;
case 8: return called_slot8;
default: return false;
}
}
public slots:
void on_Sender_signalNoParams() { ++called_slot1; }
void on_Sender_signalWithParams(int i = 0) { ++called_slot2; }
void on_Sender_signalWithParams(int i, QString string) { ++called_slot3; }
void on_Sender_signalManyParams() { ++called_slot4; }
void on_Sender_signalManyParams(int i1, int i2, int i3, QString string, bool onoff) { ++called_slot5; }
void on_Sender_signalManyParams(int i1, int i2, int i3, QString string, bool onoff, bool dummy) { ++called_slot6; }
void on_Sender_signalManyParams2(int i1, int i2, int i3, QString string, bool onoff) { ++called_slot7; }
void slotLoopBack() { ++called_slot8; }
protected slots:
void o() { Q_ASSERT(0); }
void on() { Q_ASSERT(0); }
signals:
void on_Sender_signalLoopBack();
};
void tst_QObject::connectByName()
{
AutoConnectReceiver receiver;
AutoConnectSender sender(&receiver);
sender.setObjectName("Sender");
QMetaObject::connectSlotsByName(&receiver);
sender.emitSignalNoParams();
QCOMPARE(receiver.called(1), true);
QCOMPARE(receiver.called(2), false);
QCOMPARE(receiver.called(3), false);
QCOMPARE(receiver.called(4), false);
QCOMPARE(receiver.called(5), false);
QCOMPARE(receiver.called(6), false);
QCOMPARE(receiver.called(7), false);
QCOMPARE(receiver.called(8), false);
receiver.reset();
sender.emitSignalWithParams(0);
QCOMPARE(receiver.called(1), false);
QCOMPARE(receiver.called(2), true);
QCOMPARE(receiver.called(3), false);
QCOMPARE(receiver.called(4), false);
QCOMPARE(receiver.called(5), false);
QCOMPARE(receiver.called(6), false);
QCOMPARE(receiver.called(7), false);
QCOMPARE(receiver.called(8), false);
receiver.reset();
sender.emitSignalWithParams(0, "string");
QCOMPARE(receiver.called(1), false);
QCOMPARE(receiver.called(2), false);
QCOMPARE(receiver.called(3), true);
QCOMPARE(receiver.called(4), false);
QCOMPARE(receiver.called(5), false);
QCOMPARE(receiver.called(6), false);
QCOMPARE(receiver.called(7), false);
QCOMPARE(receiver.called(8), false);
receiver.reset();
sender.emitSignalManyParams(1, 2, 3, "string", true);
QCOMPARE(receiver.called(1), false);
QCOMPARE(receiver.called(2), false);
QCOMPARE(receiver.called(3), false);
QCOMPARE(receiver.called(4), true);
QCOMPARE(receiver.called(5), true);
QCOMPARE(receiver.called(6), false);
QCOMPARE(receiver.called(7), false);
QCOMPARE(receiver.called(8), false);
receiver.reset();
sender.emitSignalManyParams2(1, 2, 3, "string", true);
QCOMPARE(receiver.called(1), false);
QCOMPARE(receiver.called(2), false);
QCOMPARE(receiver.called(3), false);
QCOMPARE(receiver.called(4), false);
QCOMPARE(receiver.called(5), false);
QCOMPARE(receiver.called(6), false);
QCOMPARE(receiver.called(7), true);
QCOMPARE(receiver.called(8), false);
receiver.reset();
sender.emitSignalLoopBack();
QCOMPARE(receiver.called(1), false);
QCOMPARE(receiver.called(2), false);
QCOMPARE(receiver.called(3), false);
QCOMPARE(receiver.called(4), false);
QCOMPARE(receiver.called(5), false);
QCOMPARE(receiver.called(6), false);
QCOMPARE(receiver.called(7), false);
QCOMPARE(receiver.called(8), true);
receiver.reset();
}
void tst_QObject::qobject_castTemplate()
{
QObject *o = 0;
QVERIFY( !::qobject_cast<QObject*>(o) );
o = new SenderObject;
QVERIFY( ::qobject_cast<SenderObject*>(o) );
QVERIFY( ::qobject_cast<QObject*>(o) );
QVERIFY( !::qobject_cast<ReceiverObject*>(o) );
delete o;
}
void tst_QObject::findChildren()
{
QObject o;
QObject o1(&o);
QObject o2(&o);
QObject o11(&o1);
QObject o12(&o1);
QObject o111(&o11);
QObject unnamed(&o);
QTimer t1(&o);
QTimer t121(&o12);
QTimer emptyname(&o);
o.setObjectName("o");
o1.setObjectName("o1");
o2.setObjectName("o2");
o11.setObjectName("o11");
o12.setObjectName("o12");
o111.setObjectName("o111");
t1.setObjectName("t1");
t121.setObjectName("t121");
emptyname.setObjectName("");
QObject *op = 0;
op = qFindChild<QObject*>(&o, "o1");
QCOMPARE(op, &o1);
op = qFindChild<QObject*>(&o, "o2");
QCOMPARE(op, &o2);
op = qFindChild<QObject*>(&o, "o11");
QCOMPARE(op, &o11);
op = qFindChild<QObject*>(&o, "o12");
QCOMPARE(op, &o12);
op = qFindChild<QObject*>(&o, "o111");
QCOMPARE(op, &o111);
op = qFindChild<QObject*>(&o, "t1");
QCOMPARE(op, static_cast<QObject *>(&t1));
op = qFindChild<QObject*>(&o, "t121");
QCOMPARE(op, static_cast<QObject *>(&t121));
op = qFindChild<QTimer*>(&o, "t1");
QCOMPARE(op, static_cast<QObject *>(&t1));
op = qFindChild<QTimer*>(&o, "t121");
QCOMPARE(op, static_cast<QObject *>(&t121));
op = qFindChild<QTimer*>(&o, "o12");
QCOMPARE(op, static_cast<QObject *>(0));
op = qFindChild<QObject*>(&o, "o");
QCOMPARE(op, static_cast<QObject *>(0));
op = qFindChild<QObject*>(&o, "harry");
QCOMPARE(op, static_cast<QObject *>(0));
op = qFindChild<QObject*>(&o, "o1");
QCOMPARE(op, &o1);
QList<QObject*> l;
QList<QTimer*> tl;
l = qFindChildren<QObject*>(&o, "o1");
QCOMPARE(l.size(), 1);
QCOMPARE(l.at(0), &o1);
l = qFindChildren<QObject*>(&o, "o2");
QCOMPARE(l.size(), 1);
QCOMPARE(l.at(0), &o2);
l = qFindChildren<QObject*>(&o, "o11");
QCOMPARE(l.size(), 1);
QCOMPARE(l.at(0), &o11);
l = qFindChildren<QObject*>(&o, "o12");
QCOMPARE(l.size(), 1);
QCOMPARE(l.at(0), &o12);
l = qFindChildren<QObject*>(&o, "o111");
QCOMPARE(l.size(), 1);
QCOMPARE(l.at(0), &o111);
l = qFindChildren<QObject*>(&o, "t1");
QCOMPARE(l.size(), 1);
QCOMPARE(l.at(0), static_cast<QObject *>(&t1));
l = qFindChildren<QObject*>(&o, "t121");
QCOMPARE(l.size(), 1);
QCOMPARE(l.at(0), static_cast<QObject *>(&t121));
tl = qFindChildren<QTimer*>(&o, "t1");
QCOMPARE(tl.size(), 1);
QCOMPARE(tl.at(0), &t1);
tl = qFindChildren<QTimer*>(&o, "t121");
QCOMPARE(tl.size(), 1);
QCOMPARE(tl.at(0), &t121);
l = qFindChildren<QObject*>(&o, "o");
QCOMPARE(l.size(), 0);
l = qFindChildren<QObject*>(&o, "harry");
QCOMPARE(l.size(), 0);
tl = qFindChildren<QTimer*>(&o, "o12");
QCOMPARE(tl.size(), 0);
l = qFindChildren<QObject*>(&o, "o1");
QCOMPARE(l.size(), 1);
QCOMPARE(l.at(0), &o1);
l = qFindChildren<QObject*>(&o, QRegExp("o.*"));
QCOMPARE(l.size(), 5);
QVERIFY(l.contains(&o1));
QVERIFY(l.contains(&o2));
QVERIFY(l.contains(&o11));
QVERIFY(l.contains(&o12));
QVERIFY(l.contains(&o111));
l = qFindChildren<QObject*>(&o, QRegExp("t.*"));
QCOMPARE(l.size(), 2);
QVERIFY(l.contains(&t1));
QVERIFY(l.contains(&t121));
tl = qFindChildren<QTimer*>(&o, QRegExp(".*"));
QCOMPARE(tl.size(), 3);
QVERIFY(tl.contains(&t1));
QVERIFY(tl.contains(&t121));
tl = qFindChildren<QTimer*>(&o, QRegExp("o.*"));
QCOMPARE(tl.size(), 0);
l = qFindChildren<QObject*>(&o, QRegExp("harry"));
QCOMPARE(l.size(), 0);
// empty and null string check
op = qFindChild<QObject*>(&o);
QCOMPARE(op, &o1);
op = qFindChild<QObject*>(&o, "");
QCOMPARE(op, &unnamed);
op = qFindChild<QObject*>(&o, "unnamed");
QCOMPARE(op, static_cast<QObject *>(0));
l = qFindChildren<QObject*>(&o);
QCOMPARE(l.size(), 9);
l = qFindChildren<QObject*>(&o, "");
QCOMPARE(l.size(), 2);
l = qFindChildren<QObject*>(&o, "unnamed");
QCOMPARE(l.size(), 0);
#ifndef QT_NO_MEMBER_TEMPLATES
tl = o.findChildren<QTimer *>("t1");
QCOMPARE(tl.size(), 1);
QCOMPARE(tl.at(0), &t1);
#endif
}
class NotifyObject : public SenderObject, public ReceiverObject
{
public:
NotifyObject() : SenderObject(), ReceiverObject()
{}
QString org_signal;
QString nw_signal;
protected:
void connectNotify( const char *signal )
{
org_signal = signal;
nw_signal = QMetaObject::normalizedSignature(signal);
};
void disconnectNotify( const char *signal )
{
org_signal = signal;
nw_signal = QMetaObject::normalizedSignature(signal);
};
};
void tst_QObject::connectDisconnectNotify_data()
{
QTest::addColumn<QString>("a_signal");
QTest::addColumn<QString>("a_slot");
QTest::newRow("combo1") << SIGNAL( signal1() ) << SLOT( slot1() );
QTest::newRow("combo2") << SIGNAL( signal2(void) ) << SLOT( slot2( ) );
QTest::newRow("combo3") << SIGNAL( signal3( ) ) << SLOT( slot3(void) );
QTest::newRow("combo4") << SIGNAL( signal4( void ) )<< SLOT( slot4( void ) );
}
void tst_QObject::connectDisconnectNotify()
{
NotifyObject *s = new NotifyObject;
NotifyObject *r = new NotifyObject;
QFETCH(QString, a_signal);
QFETCH(QString, a_slot);
// Test connectNotify
connect( (SenderObject*)s, a_signal.toLatin1(), (ReceiverObject*)r, a_slot.toLatin1() );
QCOMPARE( s->org_signal, s->nw_signal );
QCOMPARE( s->org_signal.toLatin1(), QMetaObject::normalizedSignature(a_signal.toLatin1().constData()) );
// Test disconnectNotify
QObject::disconnect( (SenderObject*)s, a_signal.toLatin1(), (ReceiverObject*)r, a_slot.toLatin1() );
QCOMPARE( s->org_signal, s->nw_signal );
QCOMPARE( s->org_signal.toLatin1(), QMetaObject::normalizedSignature(a_signal.toLatin1().constData()) );
// Reconnect
connect( (SenderObject*)s, a_signal.toLatin1(), (ReceiverObject*)r, a_slot.toLatin1() );
// Test disconnectNotify for a complete disconnect
((SenderObject*)s)->disconnect((ReceiverObject*)r);
delete s;
delete r;
}
class SequenceObject : public ReceiverObject
{
Q_OBJECT
public:
QObject *next;
SequenceObject() : next(0) { }
public slots:
void slot1_disconnectThis()
{
slot1();
disconnect(sender(), SIGNAL(signal1()), this, SLOT(slot1_disconnectThis()));
}
void slot2_reconnectThis()
{
slot2();
const QObject *s = sender();
disconnect(s, SIGNAL(signal1()), this, SLOT(slot2_reconnectThis()));
connect(s, SIGNAL(signal1()), this, SLOT(slot2_reconnectThis()));
}
void slot1_disconnectNext()
{
slot1();
disconnect(sender(), SIGNAL(signal1()), next, SLOT(slot1()));
}
void slot2_reconnectNext()
{
slot2();
// modify the connection list in 'this'
disconnect(sender(), SIGNAL(signal1()), next, SLOT(slot2()));
connect(sender(), SIGNAL(signal1()), next, SLOT(slot2()));
// modify the sender list in 'this'
connect(next, SIGNAL(destroyed()), this, SLOT(deleteLater()));
connect(QCoreApplication::instance(), SIGNAL(aboutToQuit()), this, SLOT(deleteLater()));
disconnect(next, SIGNAL(destroyed()), this, SLOT(deleteLater()));
disconnect(QCoreApplication::instance(), SIGNAL(aboutToQuit()), this, SLOT(deleteLater()));
}
void slot1_deleteNext()
{
slot1();
delete next;
}
void slot2_deleteSender()
{
slot2();
delete sender();
}
};
void tst_QObject::emitInDefinedOrder()
{
SenderObject sender;
ReceiverObject receiver1, receiver2, receiver3, receiver4;
connect(&sender, SIGNAL(signal1()), &receiver1, SLOT(slot1()));
connect(&sender, SIGNAL(signal1()), &receiver2, SLOT(slot1()));
connect(&sender, SIGNAL(signal1()), &receiver3, SLOT(slot1()));
connect(&sender, SIGNAL(signal1()), &receiver4, SLOT(slot1()));
connect(&sender, SIGNAL(signal1()), &receiver1, SLOT(slot2()));
connect(&sender, SIGNAL(signal1()), &receiver2, SLOT(slot2()));
connect(&sender, SIGNAL(signal1()), &receiver3, SLOT(slot2()));
connect(&sender, SIGNAL(signal1()), &receiver4, SLOT(slot2()));
int sequence;
ReceiverObject::sequence = sequence = 0;
sender.emitSignal1();
QCOMPARE(receiver1.sequence_slot1, ++sequence);
QCOMPARE(receiver2.sequence_slot1, ++sequence);
QCOMPARE(receiver3.sequence_slot1, ++sequence);
QCOMPARE(receiver4.sequence_slot1, ++sequence);
QCOMPARE(receiver1.sequence_slot2, ++sequence);
QCOMPARE(receiver2.sequence_slot2, ++sequence);
QCOMPARE(receiver3.sequence_slot2, ++sequence);
QCOMPARE(receiver4.sequence_slot2, ++sequence);
QObject::disconnect(&sender, SIGNAL(signal1()), &receiver2, SLOT(slot1()));
connect(&sender, SIGNAL(signal1()), &receiver2, SLOT(slot1()));
ReceiverObject::sequence = sequence = 0;
sender.emitSignal1();
QCOMPARE(receiver1.sequence_slot1, ++sequence);
QCOMPARE(receiver3.sequence_slot1, ++sequence);
QCOMPARE(receiver4.sequence_slot1, ++sequence);
QCOMPARE(receiver1.sequence_slot2, ++sequence);
QCOMPARE(receiver2.sequence_slot2, ++sequence);
QCOMPARE(receiver3.sequence_slot2, ++sequence);
QCOMPARE(receiver4.sequence_slot2, ++sequence);
QCOMPARE(receiver2.sequence_slot1, ++sequence);
QObject::disconnect(&sender, SIGNAL(signal1()), &receiver1, SLOT(slot1()));
connect(&sender, SIGNAL(signal1()), &receiver1, SLOT(slot1()));
ReceiverObject::sequence = sequence = 0;
sender.emitSignal1();
QCOMPARE(receiver3.sequence_slot1, ++sequence);
QCOMPARE(receiver4.sequence_slot1, ++sequence);
QCOMPARE(receiver1.sequence_slot2, ++sequence);
QCOMPARE(receiver2.sequence_slot2, ++sequence);
QCOMPARE(receiver3.sequence_slot2, ++sequence);
QCOMPARE(receiver4.sequence_slot2, ++sequence);
QCOMPARE(receiver2.sequence_slot1, ++sequence);
QCOMPARE(receiver1.sequence_slot1, ++sequence);
// ensure emission order even if the connections change during emission
SenderObject *sender2 = new SenderObject;
SequenceObject seq1, seq2, *seq3 = new SequenceObject, seq4;
seq1.next = &seq2;
seq2.next = seq3;
seq3->next = &seq4;
// try 1
connect(sender2, SIGNAL(signal1()), &seq1, SLOT(slot1_disconnectThis()));
connect(sender2, SIGNAL(signal1()), &seq2, SLOT(slot1_disconnectNext()));
connect(sender2, SIGNAL(signal1()), seq3, SLOT(slot1()));
connect(sender2, SIGNAL(signal1()), &seq4, SLOT(slot1()));
connect(sender2, SIGNAL(signal1()), &seq1, SLOT(slot2_reconnectThis()));
connect(sender2, SIGNAL(signal1()), &seq2, SLOT(slot2_reconnectNext()));
connect(sender2, SIGNAL(signal1()), seq3, SLOT(slot2()));
connect(sender2, SIGNAL(signal1()), &seq4, SLOT(slot2()));
SequenceObject::sequence = sequence = 0;
sender2->emitSignal1();
QCOMPARE(seq1.called(1), TRUE);
QCOMPARE(seq2.called(1), TRUE);
QCOMPARE(seq3->called(1), FALSE);
QCOMPARE(seq4.called(1), TRUE);
QCOMPARE(seq1.called(2), TRUE);
QCOMPARE(seq2.called(2), TRUE);
QCOMPARE(seq3->called(2), FALSE);
QCOMPARE(seq4.called(2), TRUE);
QCOMPARE(seq1.sequence_slot1, ++sequence);
QCOMPARE(seq2.sequence_slot1, ++sequence);
QCOMPARE(seq4.sequence_slot1, ++sequence);
QCOMPARE(seq1.sequence_slot2, ++sequence);
QCOMPARE(seq2.sequence_slot2, ++sequence);
QCOMPARE(seq4.sequence_slot2, ++sequence);
QObject::disconnect(sender2, 0, &seq1, 0);
QObject::disconnect(sender2, 0, &seq2, 0);
QObject::disconnect(sender2, 0, seq3, 0);
QObject::disconnect(sender2, 0, &seq4, 0);
seq1.reset();
seq2.reset();
seq3->reset();
seq4.reset();
// try 2
connect(sender2, SIGNAL(signal1()), &seq1, SLOT(slot2_reconnectThis()));
connect(sender2, SIGNAL(signal1()), &seq2, SLOT(slot2_reconnectNext()));
connect(sender2, SIGNAL(signal1()), seq3, SLOT(slot2()));
connect(sender2, SIGNAL(signal1()), &seq4, SLOT(slot2()));
connect(sender2, SIGNAL(signal1()), &seq1, SLOT(slot1_disconnectThis()));
connect(sender2, SIGNAL(signal1()), &seq2, SLOT(slot1_disconnectNext()));
connect(sender2, SIGNAL(signal1()), seq3, SLOT(slot1()));
connect(sender2, SIGNAL(signal1()), &seq4, SLOT(slot1()));
SequenceObject::sequence = sequence = 0;
sender2->emitSignal1();
QCOMPARE(seq1.called(2), TRUE);
QCOMPARE(seq2.called(2), TRUE);
QCOMPARE(seq3->called(2), FALSE);
QCOMPARE(seq4.called(2), TRUE);
QCOMPARE(seq1.called(1), TRUE);
QCOMPARE(seq2.called(1), TRUE);
QCOMPARE(seq3->called(1), FALSE);
QCOMPARE(seq4.called(1), TRUE);
QCOMPARE(seq1.sequence_slot2, ++sequence);
QCOMPARE(seq2.sequence_slot2, ++sequence);
QCOMPARE(seq4.sequence_slot2, ++sequence);
QCOMPARE(seq1.sequence_slot1, ++sequence);
QCOMPARE(seq2.sequence_slot1, ++sequence);
QCOMPARE(seq4.sequence_slot1, ++sequence);
QObject::disconnect(sender2, 0, &seq1, 0);
QObject::disconnect(sender2, 0, &seq2, 0);
QObject::disconnect(sender2, 0, seq3, 0);
QObject::disconnect(sender2, 0, &seq4, 0);
seq1.reset();
seq2.reset();
seq3->reset();
seq4.reset();
// try 3
connect(sender2, SIGNAL(signal1()), &seq1, SLOT(slot1()));
connect(sender2, SIGNAL(signal1()), &seq2, SLOT(slot1_disconnectNext()));
connect(sender2, SIGNAL(signal1()), seq3, SLOT(slot1()));
connect(sender2, SIGNAL(signal1()), &seq4, SLOT(slot1()));
connect(sender2, SIGNAL(signal1()), &seq1, SLOT(slot2()));
connect(sender2, SIGNAL(signal1()), &seq2, SLOT(slot2_reconnectNext()));
connect(sender2, SIGNAL(signal1()), seq3, SLOT(slot2()));
connect(sender2, SIGNAL(signal1()), &seq4, SLOT(slot2()));
SequenceObject::sequence = sequence = 0;
sender2->emitSignal1();
QCOMPARE(seq1.called(1), TRUE);
QCOMPARE(seq2.called(1), TRUE);
QCOMPARE(seq3->called(1), FALSE);
QCOMPARE(seq4.called(1), TRUE);
QCOMPARE(seq1.called(2), TRUE);
QCOMPARE(seq2.called(2), TRUE);
QCOMPARE(seq3->called(2), FALSE);
QCOMPARE(seq4.called(2), TRUE);
QCOMPARE(seq1.sequence_slot1, ++sequence);
QCOMPARE(seq2.sequence_slot1, ++sequence);
QCOMPARE(seq4.sequence_slot1, ++sequence);
QCOMPARE(seq1.sequence_slot2, ++sequence);
QCOMPARE(seq2.sequence_slot2, ++sequence);
QCOMPARE(seq4.sequence_slot2, ++sequence);
// ensure emission order even if objects are destroyed during emission
QObject::disconnect(sender2, 0, &seq1, 0);
QObject::disconnect(sender2, 0, &seq2, 0);
QObject::disconnect(sender2, 0, seq3, 0);
QObject::disconnect(sender2, 0, &seq4, 0);
seq1.reset();
seq2.reset();
seq3->reset();
seq4.reset();
connect(sender2, SIGNAL(signal1()), &seq1, SLOT(slot1()));
connect(sender2, SIGNAL(signal1()), &seq2, SLOT(slot1_deleteNext()));
connect(sender2, SIGNAL(signal1()), seq3, SLOT(slot1()));
connect(sender2, SIGNAL(signal1()), &seq4, SLOT(slot1()));
connect(sender2, SIGNAL(signal1()), &seq1, SLOT(slot2()));
connect(sender2, SIGNAL(signal1()), &seq2, SLOT(slot2_deleteSender()));
connect(sender2, SIGNAL(signal1()), seq3, SLOT(slot2()));
connect(sender2, SIGNAL(signal1()), &seq4, SLOT(slot2()));
QPointer<SenderObject> psender = sender2;
QPointer<SequenceObject> pseq3 = seq3;
SequenceObject::sequence = sequence = 0;
sender2->emitSignal1();
QCOMPARE(static_cast<QObject *>(psender), static_cast<QObject *>(0));
QCOMPARE(static_cast<QObject *>(pseq3), static_cast<QObject *>(0));
QCOMPARE(seq1.called(1), TRUE);
QCOMPARE(seq2.called(1), TRUE);
QCOMPARE(seq4.called(1), TRUE);
QCOMPARE(seq1.called(2), TRUE);
QCOMPARE(seq2.called(2), TRUE);
QCOMPARE(seq4.called(2), FALSE);
QCOMPARE(seq1.sequence_slot1, ++sequence);
QCOMPARE(seq2.sequence_slot1, ++sequence);
QCOMPARE(seq4.sequence_slot1, ++sequence);
QCOMPARE(seq1.sequence_slot2, ++sequence);
QCOMPARE(seq2.sequence_slot2, ++sequence);
QPointer<SenderObject> psender3 = new SenderObject;
connect(psender3, SIGNAL(signal1()), psender3, SIGNAL(signal2()));
connect(psender3, SIGNAL(signal2()), &seq1, SLOT(slot2_deleteSender()));
psender3->emitSignal1();
QVERIFY(!psender3);
}
static int instanceCount = 0;
struct CustomType
{
CustomType(int l1 = 0, int l2 = 0, int l3 = 0): i1(l1), i2(l2), i3(l3)
{ ++instanceCount; }
CustomType(const CustomType &other): i1(other.i1), i2(other.i2), i3(other.i3)
{ ++instanceCount; }
~CustomType() { --instanceCount; }
int i1, i2, i3;
int value() { return i1 + i2 + i3; }
};
Q_DECLARE_METATYPE(CustomType*)
class QCustomTypeChecker: public QObject
{
Q_OBJECT
public:
QCustomTypeChecker(QObject *parent = 0): QObject(parent) {}
void doEmit(CustomType ct)
{ emit signal1(ct); }
public slots:
void slot1(CustomType ct);
signals:
void signal1(CustomType ct);
public:
CustomType received;
};
void QCustomTypeChecker::slot1(CustomType ct)
{ received = ct; }
void tst_QObject::customTypes()
{
CustomType t0;
CustomType t1(1, 2, 3);
CustomType t2(2, 3, 4);
{
QCustomTypeChecker checker;
QCOMPARE(instanceCount, 4);
connect(&checker, SIGNAL(signal1(CustomType)), &checker, SLOT(slot1(CustomType)),
Qt::DirectConnection);
QCOMPARE(checker.received.value(), 0);
checker.doEmit(t1);
QCOMPARE(checker.received.value(), t1.value());
checker.received = t0;
int idx = qRegisterMetaType<CustomType>("CustomType");
QCOMPARE(QMetaType::type("CustomType"), idx);
checker.disconnect();
connect(&checker, SIGNAL(signal1(CustomType)), &checker, SLOT(slot1(CustomType)),
Qt::QueuedConnection);
QCOMPARE(instanceCount, 4);
checker.doEmit(t2);
QCOMPARE(instanceCount, 5);
QCOMPARE(checker.received.value(), t0.value());
QCoreApplication::processEvents();
QCOMPARE(checker.received.value(), t2.value());
QCOMPARE(instanceCount, 4);
QVERIFY(QMetaType::isRegistered(idx));
QCOMPARE(qRegisterMetaType<CustomType>("CustomType"), idx);
QCOMPARE(QMetaType::type("CustomType"), idx);
QVERIFY(QMetaType::isRegistered(idx));
}
QCOMPARE(instanceCount, 3);
}
QDataStream &operator<<(QDataStream &stream, const CustomType &ct)
{
stream << ct.i1 << ct.i2 << ct.i3;
return stream;
}
QDataStream &operator>>(QDataStream &stream, CustomType &ct)
{
stream >> ct.i1;
stream >> ct.i2;
stream >> ct.i3;
return stream;
}
void tst_QObject::streamCustomTypes()
{
QByteArray ba;
int idx = qRegisterMetaType<CustomType>("CustomType");
qRegisterMetaTypeStreamOperators<CustomType>("CustomType");
{
CustomType t1(1, 2, 3);
QCOMPARE(instanceCount, 1);
QDataStream stream(&ba, (QIODevice::OpenMode)QIODevice::WriteOnly);
QMetaType::save(stream, idx, &t1);
}
QCOMPARE(instanceCount, 0);
{
CustomType t2;
QCOMPARE(instanceCount, 1);
QDataStream stream(&ba, (QIODevice::OpenMode)QIODevice::ReadOnly);
QMetaType::load(stream, idx, &t2);
QCOMPARE(instanceCount, 1);
QCOMPARE(t2.i1, 1);
QCOMPARE(t2.i2, 2);
QCOMPARE(t2.i3, 3);
}
QCOMPARE(instanceCount, 0);
}
class PropertyObject : public QObject
{
Q_OBJECT
Q_ENUMS(Alpha Priority)
Q_PROPERTY(Alpha alpha READ alpha WRITE setAlpha)
Q_PROPERTY(Priority priority READ priority WRITE setPriority)
Q_PROPERTY(int number READ number WRITE setNumber)
Q_PROPERTY(QString string READ string WRITE setString)
Q_PROPERTY(QVariant variant READ variant WRITE setVariant)
Q_PROPERTY(CustomType* custom READ custom WRITE setCustom)
Q_PROPERTY(float myFloat READ myFloat WRITE setMyFloat)
Q_PROPERTY(qreal myQReal READ myQReal WRITE setMyQReal)
public:
enum Alpha {
Alpha0,
Alpha1,
Alpha2
};
enum Priority { High, Low, VeryHigh, VeryLow };
PropertyObject()
: m_alpha(Alpha0), m_priority(High), m_number(0), m_custom(0), m_float(42)
{}
Alpha alpha() const { return m_alpha; }
void setAlpha(Alpha alpha) { m_alpha = alpha; }
Priority priority() const { return m_priority; }
void setPriority(Priority priority) { m_priority = priority; }
int number() const { return m_number; }
void setNumber(int number) { m_number = number; }
QString string() const { return m_string; }
void setString(const QString &string) { m_string = string; }
QVariant variant() const { return m_variant; }
void setVariant(const QVariant &variant) { m_variant = variant; }
CustomType *custom() const { return m_custom; }
void setCustom(CustomType *custom) { m_custom = custom; }
void setMyFloat(float value) { m_float = value; }
inline float myFloat() const { return m_float; }
void setMyQReal(qreal value) { m_qreal = value; }
qreal myQReal() const { return m_qreal; }
private:
Alpha m_alpha;
Priority m_priority;
int m_number;
QString m_string;
QVariant m_variant;
CustomType *m_custom;
float m_float;
qreal m_qreal;
};
Q_DECLARE_METATYPE(PropertyObject::Priority)
void tst_QObject::threadSignalEmissionCrash()
{
#if defined(Q_OS_WINCE) || defined(Q_OS_SYMBIAN)
int loopCount = 100;
#else
int loopCount = 1000;
#endif
for (int i = 0; i < loopCount; ++i) {
QTcpSocket socket;
socket.connectToHost("localhost", 80);
}
}
class TestThread : public QThread
{
Q_OBJECT
public:
inline void run()
{
*object = new QObject;
*child = new QObject(*object);
mutex.lock();
cond.wakeOne();
cond.wait(&mutex);
mutex.unlock();
}
QObject **object, **child;
QMutex mutex;
QWaitCondition cond;
};
void tst_QObject::thread()
{
QThread *currentThread = QThread::currentThread();
// the current thread is the same as the QApplication
// thread... see tst_QApplication::thread()
{
QObject object;
// thread affinity for objects with no parent should be the
// current thread
QVERIFY(object.thread() != 0);
QCOMPARE(object.thread(), currentThread);
// children inherit their parent's thread
QObject child(&object);
QCOMPARE(child.thread(), object.thread());
}
QObject *object = 0;
QObject *child = 0;
{
TestThread thr;
QVERIFY(thr.thread() != 0);
QCOMPARE(thr.thread(), currentThread);
thr.object = &object;
thr.child = &child;
thr.mutex.lock();
thr.start();
thr.cond.wait(&thr.mutex);
// thread affinity for an object with no parent should be the
// thread in which the object was created
QCOMPARE(object->thread(), (QThread *)&thr);
// children inherit their parent's thread
QCOMPARE(child->thread(), object->thread());
thr.cond.wakeOne();
thr.mutex.unlock();
thr.wait();
// even though the thread is no longer running, the affinity
// should not change
QCOMPARE(object->thread(), (QThread *)&thr);
QCOMPARE(child->thread(), object->thread());
}
// the thread has been destroyed, thread affinity should
// automatically reset to no thread
QCOMPARE(object->thread(), (QThread *)0);
QCOMPARE(child->thread(), object->thread());
delete object;
}
class MoveToThreadObject : public QObject
{
Q_OBJECT
public:
QThread *timerEventThread;
QThread *customEventThread;
QThread *slotThread;
MoveToThreadObject(QObject *parent = 0)
: QObject(parent), timerEventThread(0), customEventThread(0), slotThread(0)
{ }
void customEvent(QEvent *)
{
Q_ASSERT(customEventThread == 0);
customEventThread = QThread::currentThread();
emit theSignal();
}
void timerEvent(QTimerEvent *)
{
Q_ASSERT(timerEventThread == 0);
timerEventThread = QThread::currentThread();
emit theSignal();
}
public slots:
void theSlot()
{
Q_ASSERT(slotThread == 0);
slotThread = QThread::currentThread();
emit theSignal();
}
signals:
void theSignal();
};
class MoveToThreadThread : public QThread
{
public:
~MoveToThreadThread()
{
if (isRunning()) {
terminate();
wait();
}
}
void start()
{
QEventLoop eventLoop;
connect(this, SIGNAL(started()), &eventLoop, SLOT(quit()), Qt::QueuedConnection);
QThread::start();
// wait for thread to start
(void) eventLoop.exec();
}
void run()
{ (void) exec(); }
};
void tst_QObject::thread0()
{
QObject *object = new QObject;
object->moveToThread(0);
QObject *child = new QObject(object);
QCOMPARE(child->parent(), object);
QCOMPARE(child->thread(), (QThread *)0);
#if 0
// We don't support moving children into a parent that has no thread
// affinity (yet?).
QObject *child2 = new QObject;
child2->moveToThread(0);
child2->setParent(object);
QCOMPARE(child2->parent(), object);
QCOMPARE(child2->thread(), (QThread *)0);
#endif
delete object;
}
void tst_QObject::moveToThread()
{
QThread *currentThread = QThread::currentThread();
{
QObject *object = new QObject;
QObject *child = new QObject(object);
QCOMPARE(object->thread(), currentThread);
QCOMPARE(child->thread(), currentThread);
object->moveToThread(0);
QCOMPARE(object->thread(), (QThread *)0);
QCOMPARE(child->thread(), (QThread *)0);
object->moveToThread(currentThread);
QCOMPARE(object->thread(), currentThread);
QCOMPARE(child->thread(), currentThread);
object->moveToThread(0);
QCOMPARE(object->thread(), (QThread *)0);
QCOMPARE(child->thread(), (QThread *)0);
// can delete an object with no thread anywhere
delete object;
}
{
MoveToThreadThread thread;
thread.start();
QObject *object = new QObject;
QObject *child = new QObject(object);
QPointer<QObject> opointer = object;
QPointer<QObject> cpointer = object;
QCOMPARE(object->thread(), currentThread);
QCOMPARE(child->thread(), currentThread);
object->moveToThread(&thread);
QCOMPARE(object->thread(), (QThread *)&thread);
QCOMPARE(child->thread(), (QThread *)&thread);
connect(object, SIGNAL(destroyed()), &thread, SLOT(quit()), Qt::DirectConnection);
QMetaObject::invokeMethod(object, "deleteLater", Qt::QueuedConnection);
thread.wait();
QVERIFY(opointer == 0);
QVERIFY(cpointer == 0);
}
{
// make sure posted events are moved with the object
MoveToThreadThread thread;
thread.start();
MoveToThreadObject *object = new MoveToThreadObject;
MoveToThreadObject *child = new MoveToThreadObject(object);
connect(object, SIGNAL(theSignal()), &thread, SLOT(quit()), Qt::DirectConnection);
QCoreApplication::postEvent(child, new QEvent(QEvent::User));
QCoreApplication::postEvent(object, new QEvent(QEvent::User));
QCOMPARE(object->thread(), currentThread);
QCOMPARE(child->thread(), currentThread);
object->moveToThread(&thread);
QCOMPARE(object->thread(), (QThread *)&thread);
QCOMPARE(child->thread(), (QThread *)&thread);
thread.wait();
QCOMPARE(object->customEventThread, (QThread *)&thread);
QCOMPARE(child->customEventThread, (QThread *)&thread);
thread.start();
connect(object, SIGNAL(destroyed()), &thread, SLOT(quit()), Qt::DirectConnection);
QMetaObject::invokeMethod(object, "deleteLater", Qt::QueuedConnection);
thread.wait();
}
{
// make sure timers are moved with the object
MoveToThreadThread thread;
thread.start();
MoveToThreadObject *object = new MoveToThreadObject;
MoveToThreadObject *child = new MoveToThreadObject(object);
connect(object, SIGNAL(theSignal()), &thread, SLOT(quit()), Qt::DirectConnection);
#if defined(Q_OS_SYMBIAN)
// Child timer will be registered after parent timer in the new
// thread, and 10ms is less than symbian timer resolution, so
// child->timerEventThread compare after thread.wait() will
// usually fail unless timers are farther apart.
child->startTimer(100);
object->startTimer(150);
#else
child->startTimer(90);
object->startTimer(100);
#endif
QCOMPARE(object->thread(), currentThread);
QCOMPARE(child->thread(), currentThread);
object->moveToThread(&thread);
QCOMPARE(object->thread(), (QThread *)&thread);
QCOMPARE(child->thread(), (QThread *)&thread);
thread.wait();
QCOMPARE(object->timerEventThread, (QThread *)&thread);
QCOMPARE(child->timerEventThread, (QThread *)&thread);
thread.start();
connect(object, SIGNAL(destroyed()), &thread, SLOT(quit()), Qt::DirectConnection);
QMetaObject::invokeMethod(object, "deleteLater", Qt::QueuedConnection);
thread.wait();
}
{
// make sure socket notifiers are moved with the object
MoveToThreadThread thread;
thread.start();
QTcpServer server;
QVERIFY(server.listen(QHostAddress::LocalHost, 0));
QTcpSocket *socket = new QTcpSocket;
MoveToThreadObject *child = new MoveToThreadObject(socket);
connect(socket, SIGNAL(disconnected()), child, SLOT(theSlot()), Qt::DirectConnection);
connect(child, SIGNAL(theSignal()), &thread, SLOT(quit()), Qt::DirectConnection);
socket->connectToHost(server.serverAddress(), server.serverPort());
QVERIFY(server.waitForNewConnection(1000));
QTcpSocket *serverSocket = server.nextPendingConnection();
QVERIFY(serverSocket);
socket->waitForConnected();
QCOMPARE(socket->thread(), currentThread);
socket->moveToThread(&thread);
QCOMPARE(socket->thread(), (QThread *)&thread);
serverSocket->close();
QVERIFY(thread.wait(10000));
QCOMPARE(child->slotThread, (QThread *)&thread);
thread.start();
connect(socket, SIGNAL(destroyed()), &thread, SLOT(quit()), Qt::DirectConnection);
QMetaObject::invokeMethod(socket, "deleteLater", Qt::QueuedConnection);
thread.wait();
}
}
void tst_QObject::property()
{
PropertyObject object;
const QMetaObject *mo = object.metaObject();
QMetaProperty property;
QVERIFY(mo);
QVERIFY(mo->indexOfProperty("alpha") != -1);
property = mo->property(mo->indexOfProperty("alpha"));
QVERIFY(property.isEnumType());
QCOMPARE(property.typeName(), "Alpha");
QCOMPARE(property.type(), QVariant::Int);
QVariant var = object.property("alpha");
QVERIFY(!var.isNull());
QCOMPARE(var.toInt(), int(PropertyObject::Alpha0));
object.setAlpha(PropertyObject::Alpha1);
QCOMPARE(object.property("alpha").toInt(), int(PropertyObject::Alpha1));
QVERIFY(object.setProperty("alpha", PropertyObject::Alpha2));
QCOMPARE(object.property("alpha").toInt(), int(PropertyObject::Alpha2));
QVERIFY(object.setProperty("alpha", "Alpha1"));
QCOMPARE(object.property("alpha").toInt(), int(PropertyObject::Alpha1));
QVERIFY(!object.setProperty("alpha", QVariant()));
QVERIFY(mo->indexOfProperty("number") != -1);
QCOMPARE(object.property("number").toInt(), 0);
object.setNumber(24);
QCOMPARE(object.property("number"), QVariant(24));
QVERIFY(object.setProperty("number", 12));
QCOMPARE(object.property("number"), QVariant(12));
QVERIFY(object.setProperty("number", "42"));
QCOMPARE(object.property("number"), QVariant(42));
QVERIFY(mo->indexOfProperty("string") != -1);
QCOMPARE(object.property("string").toString(), QString());
object.setString("String1");
QCOMPARE(object.property("string"), QVariant("String1"));
QVERIFY(object.setProperty("string", "String2"));
QCOMPARE(object.property("string"), QVariant("String2"));
QVERIFY(!object.setProperty("string", QVariant()));
const int idx = mo->indexOfProperty("variant");
QVERIFY(idx != -1);
QVERIFY(mo->property(idx).type() == QVariant::LastType);
QCOMPARE(object.property("variant"), QVariant());
QVariant variant1(42);
QVariant variant2("string");
object.setVariant(variant1);
QCOMPARE(object.property("variant"), variant1);
QVERIFY(object.setProperty("variant", variant2));
QCOMPARE(object.variant(), QVariant(variant2));
QCOMPARE(object.property("variant"), variant2);
QVERIFY(object.setProperty("variant", QVariant()));
QCOMPARE(object.property("variant"), QVariant());
QVERIFY(mo->indexOfProperty("custom") != -1);
property = mo->property(mo->indexOfProperty("custom"));
QVERIFY(property.isValid());
QVERIFY(property.isWritable());
QVERIFY(!property.isEnumType());
QCOMPARE(property.typeName(), "CustomType*");
QCOMPARE(property.type(), QVariant::UserType);
CustomType *customPointer = 0;
QVariant customVariant = object.property("custom");
customPointer = qVariantValue<CustomType *>(customVariant);
QCOMPARE(customPointer, object.custom());
CustomType custom;
customPointer = &custom;
qVariantSetValue(customVariant, customPointer);
property = mo->property(mo->indexOfProperty("custom"));
QVERIFY(property.isWritable());
QCOMPARE(property.typeName(), "CustomType*");
QCOMPARE(property.type(), QVariant::UserType);
QVERIFY(object.setProperty("custom", customVariant));
QCOMPARE(object.custom(), customPointer);
customVariant = object.property("custom");
customPointer = qVariantValue<CustomType *>(customVariant);
QCOMPARE(object.custom(), customPointer);
// this enum property has a meta type, but it's not yet registered, so we know this fails
QVERIFY(mo->indexOfProperty("priority") != -1);
property = mo->property(mo->indexOfProperty("priority"));
QVERIFY(property.isEnumType());
QCOMPARE(property.typeName(), "Priority");
QCOMPARE(property.type(), QVariant::Int);
var = object.property("priority");
QVERIFY(!var.isNull());
QCOMPARE(var.toInt(), int(PropertyObject::High));
object.setPriority(PropertyObject::Low);
QCOMPARE(object.property("priority").toInt(), int(PropertyObject::Low));
QVERIFY(object.setProperty("priority", PropertyObject::VeryHigh));
QCOMPARE(object.property("priority").toInt(), int(PropertyObject::VeryHigh));
QVERIFY(object.setProperty("priority", "High"));
QCOMPARE(object.property("priority").toInt(), int(PropertyObject::High));
QVERIFY(!object.setProperty("priority", QVariant()));
// now it's registered, so it works as expected
int priorityMetaTypeId = qRegisterMetaType<PropertyObject::Priority>("PropertyObject::Priority");
QVERIFY(mo->indexOfProperty("priority") != -1);
property = mo->property(mo->indexOfProperty("priority"));
QVERIFY(property.isEnumType());
QCOMPARE(property.typeName(), "Priority");
QCOMPARE(property.type(), QVariant::UserType);
QCOMPARE(property.userType(), priorityMetaTypeId);
var = object.property("priority");
QVERIFY(!var.isNull());
QVERIFY(qVariantCanConvert<PropertyObject::Priority>(var));
QCOMPARE(qVariantValue<PropertyObject::Priority>(var), PropertyObject::High);
object.setPriority(PropertyObject::Low);
QCOMPARE(qVariantValue<PropertyObject::Priority>(object.property("priority")), PropertyObject::Low);
QVERIFY(object.setProperty("priority", PropertyObject::VeryHigh));
QCOMPARE(qVariantValue<PropertyObject::Priority>(object.property("priority")), PropertyObject::VeryHigh);
QVERIFY(object.setProperty("priority", "High"));
QCOMPARE(qVariantValue<PropertyObject::Priority>(object.property("priority")), PropertyObject::High);
QVERIFY(!object.setProperty("priority", QVariant()));
var = object.property("priority");
QCOMPARE(qVariantValue<PropertyObject::Priority>(var), PropertyObject::High);
object.setPriority(PropertyObject::Low);
QCOMPARE(qVariantValue<PropertyObject::Priority>(object.property("priority")), PropertyObject::Low);
object.setProperty("priority", var);
QCOMPARE(qVariantValue<PropertyObject::Priority>(object.property("priority")), PropertyObject::High);
}
void tst_QObject::metamethod()
{
SenderObject obj;
const QMetaObject *mobj = obj.metaObject();
QMetaMethod m;
m = mobj->method(mobj->indexOfMethod("invoke1()"));
QVERIFY(QByteArray(m.signature()) == "invoke1()");
QVERIFY(m.methodType() == QMetaMethod::Method);
QVERIFY(m.access() == QMetaMethod::Public);
QVERIFY(!(m.attributes() & QMetaMethod::Scriptable));
QVERIFY(!(m.attributes() & QMetaMethod::Compatibility));
m = mobj->method(mobj->indexOfMethod("sinvoke1()"));
QVERIFY(QByteArray(m.signature()) == "sinvoke1()");
QVERIFY(m.methodType() == QMetaMethod::Method);
QVERIFY(m.access() == QMetaMethod::Public);
QVERIFY((m.attributes() & QMetaMethod::Scriptable));
QVERIFY(!(m.attributes() & QMetaMethod::Compatibility));
m = mobj->method(mobj->indexOfMethod("invoke2()"));
QVERIFY(QByteArray(m.signature()) == "invoke2()");
QVERIFY(m.methodType() == QMetaMethod::Method);
QVERIFY(m.access() == QMetaMethod::Protected);
QVERIFY(!(m.attributes() & QMetaMethod::Scriptable));
QVERIFY((m.attributes() & QMetaMethod::Compatibility));
m = mobj->method(mobj->indexOfMethod("sinvoke2()"));
QVERIFY(QByteArray(m.signature()) == "sinvoke2()");
QVERIFY(m.methodType() == QMetaMethod::Method);
QVERIFY(m.access() == QMetaMethod::Protected);
QVERIFY((m.attributes() & QMetaMethod::Scriptable));
QVERIFY((m.attributes() & QMetaMethod::Compatibility));
m = mobj->method(mobj->indexOfMethod("invoke3()"));
QVERIFY(QByteArray(m.signature()) == "invoke3()");
QVERIFY(m.methodType() == QMetaMethod::Method);
QVERIFY(m.access() == QMetaMethod::Private);
QVERIFY(!(m.attributes() & QMetaMethod::Scriptable));
QVERIFY(!(m.attributes() & QMetaMethod::Compatibility));
m = mobj->method(mobj->indexOfMethod("sinvoke3()"));
QVERIFY(QByteArray(m.signature()) == "sinvoke3()");
QVERIFY(m.methodType() == QMetaMethod::Method);
QVERIFY(m.access() == QMetaMethod::Private);
QVERIFY((m.attributes() & QMetaMethod::Scriptable));
QVERIFY(!(m.attributes() & QMetaMethod::Compatibility));
m = mobj->method(mobj->indexOfMethod("signal5()"));
QVERIFY(QByteArray(m.signature()) == "signal5()");
QVERIFY(m.methodType() == QMetaMethod::Signal);
QVERIFY(m.access() == QMetaMethod::Protected);
QVERIFY(!(m.attributes() & QMetaMethod::Scriptable));
QVERIFY((m.attributes() & QMetaMethod::Compatibility));
m = mobj->method(mobj->indexOfMethod("aPublicSlot()"));
QVERIFY(QByteArray(m.signature()) == "aPublicSlot()");
QVERIFY(m.methodType() == QMetaMethod::Slot);
QVERIFY(m.access() == QMetaMethod::Public);
QVERIFY(!(m.attributes() & QMetaMethod::Scriptable));
QVERIFY(!(m.attributes() & QMetaMethod::Compatibility));
m = mobj->method(mobj->indexOfMethod("invoke1()"));
QCOMPARE(m.parameterNames().count(), 0);
QCOMPARE(m.parameterTypes().count(), 0);
m = mobj->method(mobj->indexOfMethod("invoke2(int)"));
QCOMPARE(m.parameterNames().count(), 1);
QCOMPARE(m.parameterTypes().count(), 1);
QCOMPARE(m.parameterTypes().at(0), QByteArray("int"));
QVERIFY(m.parameterNames().at(0).isEmpty());
m = mobj->method(mobj->indexOfMethod("invoke3(int,int)"));
QCOMPARE(m.parameterNames().count(), 2);
QCOMPARE(m.parameterTypes().count(), 2);
QCOMPARE(m.parameterTypes().at(0), QByteArray("int"));
QCOMPARE(m.parameterNames().at(0), QByteArray("hinz"));
QCOMPARE(m.parameterTypes().at(1), QByteArray("int"));
QCOMPARE(m.parameterNames().at(1), QByteArray("kunz"));
}
namespace QObjectTest
{
class TestObject: public QObject
{
Q_OBJECT
public:
TestObject(): QObject(), i(0) {}
void doEmit() { emit aSignal(); }
int i;
public slots:
void aSlot() { ++i; }
signals:
void aSignal();
};
}
void tst_QObject::namespaces()
{
QObjectTest::TestObject obj;
QVERIFY(connect(&obj, SIGNAL(aSignal()), &obj, SLOT(aSlot())));
obj.doEmit();
QCOMPARE(obj.i, 1);
}
class SuperObject : public QObject
{
Q_OBJECT
public:
QObject *theSender;
SuperObject()
{
theSender = 0;
}
friend class tst_QObject;
using QObject::sender;
public slots:
void rememberSender()
{
theSender = sender();
}
void deleteAndRememberSender()
{
delete theSender;
theSender = sender();
}
signals:
void theSignal();
};
void tst_QObject::sender()
{
{
SuperObject sender;
SuperObject receiver;
connect(&sender, SIGNAL(theSignal()),
&receiver, SLOT(rememberSender()));
QCOMPARE(receiver.sender(), (QObject *)0);
emit sender.theSignal();
QCOMPARE(receiver.theSender, (QObject *)&sender);
QCOMPARE(receiver.sender(), (QObject *)0);
}
{
SuperObject *sender = new SuperObject;
SuperObject *receiver = new SuperObject;
connect(sender, SIGNAL(theSignal()),
receiver, SLOT(rememberSender()),
Qt::BlockingQueuedConnection);
QThread thread;
receiver->moveToThread(&thread);
connect(sender, SIGNAL(theSignal()),
&thread, SLOT(quit()),
Qt::DirectConnection);
QCOMPARE(receiver->sender(), (QObject *)0);
receiver->theSender = 0;
thread.start();
emit sender->theSignal();
QCOMPARE(receiver->theSender, (QObject *) sender);
QCOMPARE(receiver->sender(), (QObject *)0);
QVERIFY(thread.wait(10000));
delete receiver;
delete sender;
}
{
SuperObject *sender = new SuperObject;
SuperObject receiver;
connect(sender, SIGNAL(theSignal()),
&receiver, SLOT(deleteAndRememberSender()));
QCOMPARE(receiver.sender(), (QObject *)0);
receiver.theSender = sender;
emit sender->theSignal();
QCOMPARE(receiver.theSender, (QObject *)0);
QCOMPARE(receiver.sender(), (QObject *)0);
}
{
SuperObject *sender = new SuperObject;
SuperObject *receiver = new SuperObject;
connect(sender, SIGNAL(theSignal()),
receiver, SLOT(deleteAndRememberSender()),
Qt::BlockingQueuedConnection);
QThread thread;
receiver->moveToThread(&thread);
connect(sender, SIGNAL(destroyed()),
&thread, SLOT(quit()),
Qt::DirectConnection);
QCOMPARE(receiver->sender(), (QObject *)0);
receiver->theSender = sender;
thread.start();
emit sender->theSignal();
QCOMPARE(receiver->theSender, (QObject *)0);
QCOMPARE(receiver->sender(), (QObject *)0);
QVERIFY(thread.wait(10000));
delete receiver;
}
}
namespace Foo
{
struct Bar
{
virtual ~Bar() {}
virtual int rtti() const = 0;
};
struct Bleh
{
virtual ~Bleh() {}
virtual int rtti() const = 0;
};
}
QT_BEGIN_NAMESPACE
Q_DECLARE_INTERFACE(Foo::Bar, "com.qtest.foobar")
QT_END_NAMESPACE
#define Bleh_iid "com.qtest.bleh"
QT_BEGIN_NAMESPACE
Q_DECLARE_INTERFACE(Foo::Bleh, Bleh_iid)
QT_END_NAMESPACE
class FooObject: public QObject, public Foo::Bar
{
Q_OBJECT
Q_INTERFACES(Foo::Bar)
public:
int rtti() const { return 42; }
};
class BlehObject : public QObject, public Foo::Bleh
{
Q_OBJECT
Q_INTERFACES(Foo::Bleh)
public:
int rtti() const { return 43; }
};
void tst_QObject::declareInterface()
{
FooObject obj;
Foo::Bar *bar = qobject_cast<Foo::Bar *>(&obj);
QVERIFY(bar);
QCOMPARE(bar->rtti(), 42);
QCOMPARE(static_cast<Foo::Bar *>(&obj), bar);
BlehObject bleh;
bar = qobject_cast<Foo::Bar *>(&bleh);
QVERIFY(!bar);
Foo::Bleh *b = qobject_cast<Foo::Bleh *>(&bleh);
QCOMPARE(b->rtti(), 43);
QCOMPARE(static_cast<Foo::Bleh *>(&bleh), b);
}
class CustomData : public QObjectUserData
{
public:
int id;
};
void tst_QObject::testUserData()
{
const int USER_DATA_COUNT = 100;
int user_data_ids[USER_DATA_COUNT];
// Register a few
for (int i=0; i<USER_DATA_COUNT; ++i) {
user_data_ids[i] = QObject::registerUserData();
}
// Randomize the table a bit
for (int i=0; i<100; ++i) {
int p1 = rand() % USER_DATA_COUNT;
int p2 = rand() % USER_DATA_COUNT;
int tmp = user_data_ids[p1];
user_data_ids[p1] = user_data_ids[p2];
user_data_ids[p2] = tmp;
}
// insert the user data into an object
QObject my_test_object;
for (int i=0; i<USER_DATA_COUNT; ++i) {
CustomData *data = new CustomData;
data->id = user_data_ids[i];
my_test_object.setUserData(data->id, data);
}
// verify that all ids and positions are matching
for (int i=0; i<USER_DATA_COUNT; ++i) {
int id = user_data_ids[i];
CustomData *data = static_cast<CustomData *>(my_test_object.userData(id));
QVERIFY(data != 0);
QVERIFY(data->id == id);
}
}
class DestroyedListener : public QObject
{
Q_OBJECT
public:
inline DestroyedListener() : pointerWasZero(false) {}
QPointer<QObject> pointer;
bool pointerWasZero;
private slots:
inline void otherObjectDestroyed()
{ pointerWasZero = pointer.isNull(); }
};
void tst_QObject::qpointerResetBeforeDestroyedSignal()
{
QObject *obj = new QObject;
DestroyedListener listener;
listener.pointer = obj;
listener.pointerWasZero = false;
connect(obj, SIGNAL(destroyed()), &listener, SLOT(otherObjectDestroyed()));
delete obj;
QVERIFY(listener.pointerWasZero);
QVERIFY(listener.pointer.isNull());
}
class DefaultArguments : public QObject
{
Q_OBJECT
public slots:
void theSlot(const QString &s) { result = s; }
signals:
void theOriginalSignal();
void theSecondSignal(const QString &s = QString("secondDefault"));
public:
void emitTheOriginalSignal() { emit theOriginalSignal(); }
void emitTheSecondSignal() { emit theSecondSignal(); }
QString result;
};
void tst_QObject::connectSignalsToSignalsWithDefaultArguments()
{
DefaultArguments o;
connect(&o, SIGNAL(theOriginalSignal()), &o, SIGNAL(theSecondSignal()));
connect(&o, SIGNAL(theSecondSignal(QString)), &o, SLOT(theSlot(QString)));
QVERIFY( o.result.isEmpty() );
o.emitTheSecondSignal();
QCOMPARE(o.result, QString("secondDefault"));
o.result = "Not called";
o.emitTheOriginalSignal();
QCOMPARE(o.result, QString("secondDefault"));
}
void tst_QObject::receivers()
{
class Object : public QObject
{
public:
int receivers(const char* signal) const
{ return QObject::receivers(signal); }
};
Object object;
QCOMPARE(object.receivers(SIGNAL(destroyed())), 0);
object.connect(&object, SIGNAL(destroyed()), SLOT(deleteLater()));
QCOMPARE(object.receivers(SIGNAL(destroyed())), 1);
object.connect(&object, SIGNAL(destroyed()), SLOT(deleteLater()));
QCOMPARE(object.receivers(SIGNAL(destroyed())), 2);
object.disconnect(SIGNAL(destroyed()), &object, SLOT(deleteLater()));
QCOMPARE(object.receivers(SIGNAL(destroyed())), 0);
}
enum Enum { };
struct Struct { };
class Class { };
class NormalizeObject : public QObject
{
Q_OBJECT
public:
signals:
void uintPointerSignal(uint *);
void ulongPointerSignal(ulong *);
void constUintPointerSignal(const uint *);
void constUlongPointerSignal(const ulong *);
void structSignal(Struct s);
void classSignal(Class c);
void enumSignal(Enum e);
void structPointerSignal(Struct *s);
void classPointerSignal(Class *c);
void enumPointerSignal(Enum *e);
void constStructPointerSignal(const Struct *s);
void constClassPointerSignal(const Class *c);
void constEnumPointerSignal(const Enum *e);
void constStructPointerConstPointerSignal(const Struct * const *s);
void constClassPointerConstPointerSignal(const Class * const *c);
void constEnumPointerConstPointerSignal(const Enum * const *e);
void unsignedintSignal(unsigned int);
void unsignedSignal(unsigned);
void unsignedlongSignal(unsigned long);
void unsignedlonglongSignal(quint64);
void unsignedlongintSignal(unsigned long int);
void unsignedshortSignal(unsigned short);
void unsignedcharSignal(unsigned char);
public slots:
void uintPointerSlot(uint *) { }
void ulongPointerSlot(ulong *) { }
void constUintPointerSlot(const uint *) { }
void constUlongPointerSlot(const ulong *) { }
void structSlot(Struct s) { }
void classSlot(Class c) { }
void enumSlot(Enum e) { }
void structPointerSlot(Struct *s) { }
void classPointerSlot(Class *c) { }
void enumPointerSlot(Enum *e) { }
void constStructPointerSlot(const Struct *s) { }
void constClassPointerSlot(const Class *c) { }
void constEnumPointerSlot(const Enum *e) { }
void constStructPointerConstPointerSlot(const Struct * const *s) { }
void constClassPointerConstPointerSlot(const Class * const *c) { }
void constEnumPointerConstPointerSlot(const Enum * const *e) { }
void uintSlot(uint) {};
void unsignedintSlot(unsigned int) {};
void unsignedSlot(unsigned) {};
void unsignedlongSlot(unsigned long) {};
void unsignedlonglongSlot(quint64) {};
void unsignedlongintSlot(unsigned long int) {};
void unsignedshortSlot(unsigned short) {};
void unsignedcharSlot(unsigned char) {};
};
void tst_QObject::normalize()
{
NormalizeObject object;
// unsigned int -> uint, unsigned long -> ulong
QVERIFY(object.connect(&object,
SIGNAL(uintPointerSignal(uint *)),
SLOT(uintPointerSlot(uint *))));
QVERIFY(object.connect(&object,
SIGNAL(uintPointerSignal(unsigned int *)),
SLOT(uintPointerSlot(uint *))));
QVERIFY(object.connect(&object,
SIGNAL(uintPointerSignal(uint *)),
SLOT(uintPointerSlot(unsigned int *))));
QVERIFY(object.connect(&object,
SIGNAL(constUintPointerSignal(const uint *)),
SLOT(constUintPointerSlot(const uint *))));
QVERIFY(object.connect(&object,
SIGNAL(constUintPointerSignal(const unsigned int *)),
SLOT(constUintPointerSlot(const uint *))));
QVERIFY(object.connect(&object,
SIGNAL(constUintPointerSignal(const uint *)),
SLOT(constUintPointerSlot(const unsigned int *))));
QVERIFY(object.connect(&object,
SIGNAL(ulongPointerSignal(ulong *)),
SLOT(ulongPointerSlot(ulong *))));
QVERIFY(object.connect(&object,
SIGNAL(ulongPointerSignal(unsigned long *)),
SLOT(ulongPointerSlot(ulong *))));
QVERIFY(object.connect(&object,
SIGNAL(ulongPointerSignal(ulong *)),
SLOT(ulongPointerSlot(unsigned long *))));
QVERIFY(object.connect(&object,
SIGNAL(constUlongPointerSignal(const ulong *)),
SLOT(constUlongPointerSlot(const ulong *))));
QVERIFY(object.connect(&object,
SIGNAL(constUlongPointerSignal(const unsigned long *)),
SLOT(constUlongPointerSlot(const ulong *))));
QVERIFY(object.connect(&object,
SIGNAL(constUlongPointerSignal(const ulong *)),
SLOT(constUlongPointerSlot(const unsigned long *))));
// struct, class, and enum are optional
QVERIFY(object.connect(&object,
SIGNAL(structSignal(struct Struct)),
SLOT(structSlot(struct Struct))));
QVERIFY(object.connect(&object,
SIGNAL(structSignal(Struct)),
SLOT(structSlot(struct Struct))));
QVERIFY(object.connect(&object,
SIGNAL(structSignal(struct Struct)),
SLOT(structSlot(Struct))));
QVERIFY(object.connect(&object,
SIGNAL(classSignal(class Class)),
SLOT(classSlot(class Class))));
QVERIFY(object.connect(&object,
SIGNAL(classSignal(Class)),
SLOT(classSlot(class Class))));
QVERIFY(object.connect(&object,
SIGNAL(classSignal(class Class)),
SLOT(classSlot(Class))));
QVERIFY(object.connect(&object,
SIGNAL(enumSignal(enum Enum)),
SLOT(enumSlot(enum Enum))));
QVERIFY(object.connect(&object,
SIGNAL(enumSignal(Enum)),
SLOT(enumSlot(enum Enum))));
QVERIFY(object.connect(&object,
SIGNAL(enumSignal(enum Enum)),
SLOT(enumSlot(Enum))));
QVERIFY(object.connect(&object,
SIGNAL(structPointerSignal(struct Struct *)),
SLOT(structPointerSlot(struct Struct *))));
QVERIFY(object.connect(&object,
SIGNAL(structPointerSignal(Struct *)),
SLOT(structPointerSlot(struct Struct *))));
QVERIFY(object.connect(&object,
SIGNAL(structPointerSignal(struct Struct *)),
SLOT(structPointerSlot(Struct *))));
QVERIFY(object.connect(&object,
SIGNAL(classPointerSignal(class Class *)),
SLOT(classPointerSlot(class Class *))));
QVERIFY(object.connect(&object,
SIGNAL(classPointerSignal(Class *)),
SLOT(classPointerSlot(class Class *))));
QVERIFY(object.connect(&object,
SIGNAL(classPointerSignal(class Class *)),
SLOT(classPointerSlot(Class *))));
QVERIFY(object.connect(&object,
SIGNAL(enumPointerSignal(enum Enum *)),
SLOT(enumPointerSlot(enum Enum *))));
QVERIFY(object.connect(&object,
SIGNAL(enumPointerSignal(Enum *)),
SLOT(enumPointerSlot(enum Enum *))));
QVERIFY(object.connect(&object,
SIGNAL(enumPointerSignal(enum Enum *)),
SLOT(enumPointerSlot(Enum *))));
QVERIFY(object.connect(&object,
SIGNAL(constStructPointerSignal(const struct Struct *)),
SLOT(constStructPointerSlot(const struct Struct *))));
QVERIFY(object.connect(&object,
SIGNAL(constStructPointerSignal(const Struct *)),
SLOT(constStructPointerSlot(const struct Struct *))));
QVERIFY(object.connect(&object,
SIGNAL(constStructPointerSignal(const struct Struct *)),
SLOT(constStructPointerSlot(const Struct *))));
QVERIFY(object.connect(&object,
SIGNAL(constClassPointerSignal(const class Class *)),
SLOT(constClassPointerSlot(const class Class *))));
QVERIFY(object.connect(&object,
SIGNAL(constClassPointerSignal(const Class *)),
SLOT(constClassPointerSlot(const class Class *))));
QVERIFY(object.connect(&object,
SIGNAL(constClassPointerSignal(const class Class *)),
SLOT(constClassPointerSlot(const Class *))));
QVERIFY(object.connect(&object,
SIGNAL(constEnumPointerSignal(const enum Enum *)),
SLOT(constEnumPointerSlot(const enum Enum *))));
QVERIFY(object.connect(&object,
SIGNAL(constEnumPointerSignal(const Enum *)),
SLOT(constEnumPointerSlot(const enum Enum *))));
QVERIFY(object.connect(&object,
SIGNAL(constEnumPointerSignal(const enum Enum *)),
SLOT(constEnumPointerSlot(const Enum *))));
QVERIFY(object.connect(&object,
SIGNAL(constStructPointerSignal(struct Struct const *)),
SLOT(constStructPointerSlot(struct Struct const *))));
QVERIFY(object.connect(&object,
SIGNAL(constStructPointerSignal(Struct const *)),
SLOT(constStructPointerSlot(struct Struct const *))));
QVERIFY(object.connect(&object,
SIGNAL(constStructPointerSignal(struct Struct const *)),
SLOT(constStructPointerSlot(Struct const *))));
QVERIFY(object.connect(&object,
SIGNAL(constClassPointerSignal(class Class const *)),
SLOT(constClassPointerSlot(class Class const *))));
QVERIFY(object.connect(&object,
SIGNAL(constClassPointerSignal(Class const *)),
SLOT(constClassPointerSlot(class Class const *))));
QVERIFY(object.connect(&object,
SIGNAL(constClassPointerSignal(class Class const *)),
SLOT(constClassPointerSlot(Class const *))));
QVERIFY(object.connect(&object,
SIGNAL(constEnumPointerSignal(enum Enum const *)),
SLOT(constEnumPointerSlot(enum Enum const *))));
QVERIFY(object.connect(&object,
SIGNAL(constEnumPointerSignal(Enum const *)),
SLOT(constEnumPointerSlot(enum Enum const *))));
QVERIFY(object.connect(&object,
SIGNAL(constEnumPointerSignal(enum Enum const *)),
SLOT(constEnumPointerSlot(Enum const *))));
QVERIFY(object.connect(&object,
SIGNAL(constStructPointerConstPointerSignal(const struct Struct * const *)),
SLOT(constStructPointerConstPointerSlot(const struct Struct * const *))));
QVERIFY(object.connect(&object,
SIGNAL(constStructPointerConstPointerSignal(const Struct * const *)),
SLOT(constStructPointerConstPointerSlot(const struct Struct * const *))));
QVERIFY(object.connect(&object,
SIGNAL(constStructPointerConstPointerSignal(const struct Struct * const *)),
SLOT(constStructPointerConstPointerSlot(const Struct * const *))));
QVERIFY(object.connect(&object,
SIGNAL(constClassPointerConstPointerSignal(const class Class * const *)),
SLOT(constClassPointerConstPointerSlot(const class Class * const *))));
QVERIFY(object.connect(&object,
SIGNAL(constClassPointerConstPointerSignal(const Class * const *)),
SLOT(constClassPointerConstPointerSlot(const class Class * const *))));
QVERIFY(object.connect(&object,
SIGNAL(constClassPointerConstPointerSignal(const class Class * const *)),
SLOT(constClassPointerConstPointerSlot(const Class * const *))));
QVERIFY(object.connect(&object,
SIGNAL(constEnumPointerConstPointerSignal(const enum Enum * const *)),
SLOT(constEnumPointerConstPointerSlot(const enum Enum * const *))));
QVERIFY(object.connect(&object,
SIGNAL(constEnumPointerConstPointerSignal(const Enum * const *)),
SLOT(constEnumPointerConstPointerSlot(const enum Enum * const *))));
QVERIFY(object.connect(&object,
SIGNAL(constEnumPointerConstPointerSignal(const enum Enum * const *)),
SLOT(constEnumPointerConstPointerSlot(const Enum * const *))));
QVERIFY(object.connect(&object,
SIGNAL(constStructPointerConstPointerSignal(struct Struct const * const *)),
SLOT(constStructPointerConstPointerSlot(struct Struct const * const *))));
QVERIFY(object.connect(&object,
SIGNAL(constStructPointerConstPointerSignal(Struct const * const *)),
SLOT(constStructPointerConstPointerSlot(struct Struct const * const *))));
QVERIFY(object.connect(&object,
SIGNAL(constStructPointerConstPointerSignal(struct Struct const * const *)),
SLOT(constStructPointerConstPointerSlot(Struct const * const *))));
QVERIFY(object.connect(&object,
SIGNAL(constClassPointerConstPointerSignal(class Class const * const *)),
SLOT(constClassPointerConstPointerSlot(class Class const * const *))));
QVERIFY(object.connect(&object,
SIGNAL(constClassPointerConstPointerSignal(Class const * const *)),
SLOT(constClassPointerConstPointerSlot(class Class const * const *))));
QVERIFY(object.connect(&object,
SIGNAL(constClassPointerConstPointerSignal(class Class const * const *)),
SLOT(constClassPointerConstPointerSlot(Class const * const *))));
QVERIFY(object.connect(&object,
SIGNAL(constEnumPointerConstPointerSignal(enum Enum const * const *)),
SLOT(constEnumPointerConstPointerSlot(enum Enum const * const *))));
QVERIFY(object.connect(&object,
SIGNAL(constEnumPointerConstPointerSignal(Enum const * const *)),
SLOT(constEnumPointerConstPointerSlot(enum Enum const * const *))));
QVERIFY(object.connect(&object,
SIGNAL(constEnumPointerConstPointerSignal(enum Enum const * const *)),
SLOT(constEnumPointerConstPointerSlot(Enum const * const *))));
QVERIFY(object.connect(&object,
SIGNAL(unsignedintSignal(unsigned int)),
SLOT(unsignedintSlot(unsigned int))));
QVERIFY(object.connect(&object,
SIGNAL(unsignedSignal(unsigned)),
SLOT(unsignedSlot(unsigned))));
QVERIFY(object.connect(&object,
SIGNAL(unsignedSignal(unsigned)),
SLOT(uintSlot(uint))));
QVERIFY(object.connect(&object,
SIGNAL(unsignedlongSignal(unsigned long)),
SLOT(unsignedlongSlot(unsigned long))));
QVERIFY(object.connect(&object,
SIGNAL(unsignedlonglongSignal(quint64)),
SLOT(unsignedlonglongSlot(quint64))));
QVERIFY(object.connect(&object,
SIGNAL(unsignedlongintSignal(unsigned long int)),
SLOT(unsignedlongintSlot(unsigned long int))));
QVERIFY(object.connect(&object,
SIGNAL(unsignedshortSignal(unsigned short)),
SLOT(unsignedshortSlot(unsigned short))));
QVERIFY(object.connect(&object,
SIGNAL(unsignedcharSignal(unsigned char)),
SLOT(unsignedcharSlot(unsigned char))));
}
class SiblingDeleter : public QObject
{
public:
inline SiblingDeleter(QObject *sibling, QObject *parent)
: QObject(parent), sibling(sibling) {}
inline virtual ~SiblingDeleter() { delete sibling; }
private:
QPointer<QObject> sibling;
};
void tst_QObject::childDeletesItsSibling()
{
QObject *commonParent = new QObject(0);
QPointer<QObject> child = new QObject(0);
QPointer<QObject> siblingDeleter = new SiblingDeleter(child, commonParent);
child->setParent(commonParent);
delete commonParent; // don't crash
QVERIFY(!child);
QVERIFY(!siblingDeleter);
}
void tst_QObject::floatProperty()
{
PropertyObject obj;
const int idx = obj.metaObject()->indexOfProperty("myFloat");
QVERIFY(idx > 0);
QMetaProperty prop = obj.metaObject()->property(idx);
QVERIFY(prop.isValid());
QVERIFY(prop.type() == uint(QMetaType::type("float")));
QVERIFY(!prop.write(&obj, QVariant("Hello")));
QVERIFY(prop.write(&obj, qVariantFromValue(128.0f)));
QVariant v = prop.read(&obj);
QVERIFY(int(v.userType()) == QMetaType::Float);
QVERIFY(qVariantValue<float>(v) == 128.0f);
}
void tst_QObject::qrealProperty()
{
PropertyObject obj;
const int idx = obj.metaObject()->indexOfProperty("myQReal");
QVERIFY(idx > 0);
QMetaProperty prop = obj.metaObject()->property(idx);
QVERIFY(prop.isValid());
QVERIFY(prop.type() == uint(QMetaType::type("qreal")));
QVERIFY(!prop.write(&obj, QVariant("Hello")));
QVERIFY(prop.write(&obj, qVariantFromValue(128.0f)));
QVariant v = prop.read(&obj);
QCOMPARE(v.userType(), qMetaTypeId<qreal>());
QVERIFY(qVariantValue<qreal>(v) == 128.0);
QVERIFY(prop.write(&obj, qVariantFromValue(double(127))));
v = prop.read(&obj);
QCOMPARE(v.userType(), qMetaTypeId<qreal>());
QVERIFY(qVariantValue<qreal>(v) == 127.0);
}
class DynamicPropertyObject : public PropertyObject
{
public:
inline DynamicPropertyObject() {}
inline virtual bool event(QEvent *e) {
if (e->type() == QEvent::DynamicPropertyChange) {
changedDynamicProperties.append(static_cast<QDynamicPropertyChangeEvent *>(e)->propertyName());
}
return QObject::event(e);
}
QList<QByteArray> changedDynamicProperties;
};
void tst_QObject::dynamicProperties()
{
DynamicPropertyObject obj;
QVERIFY(obj.dynamicPropertyNames().isEmpty());
QVERIFY(obj.setProperty("number", 42));
QVERIFY(obj.changedDynamicProperties.isEmpty());
QCOMPARE(obj.property("number").toInt(), 42);
QVERIFY(!obj.setProperty("number", "invalid string"));
QVERIFY(obj.changedDynamicProperties.isEmpty());
QVERIFY(!obj.setProperty("myuserproperty", "Hello"));
QCOMPARE(obj.changedDynamicProperties.count(), 1);
QCOMPARE(obj.changedDynamicProperties.first(), QByteArray("myuserproperty"));
obj.changedDynamicProperties.clear();
QCOMPARE(obj.property("myuserproperty").toString(), QString("Hello"));
QCOMPARE(obj.dynamicPropertyNames().count(), 1);
QCOMPARE(obj.dynamicPropertyNames().first(), QByteArray("myuserproperty"));
QVERIFY(!obj.setProperty("myuserproperty", QVariant()));
QCOMPARE(obj.changedDynamicProperties.count(), 1);
QCOMPARE(obj.changedDynamicProperties.first(), QByteArray("myuserproperty"));
obj.changedDynamicProperties.clear();
QVERIFY(obj.property("myuserproperty").isNull());
QVERIFY(obj.dynamicPropertyNames().isEmpty());
}
void tst_QObject::recursiveSignalEmission()
{
#if defined(Q_OS_SYMBIAN) && defined(Q_CC_NOKIAX86)
QSKIP("Emulator builds in Symbian do not support launching processes linking to Qt", SkipAll);
#elif defined(QT_NO_PROCESS)
QSKIP("Test requires QProcess", SkipAll);
#else
QProcess proc;
proc.start("./signalbug");
QVERIFY(proc.waitForFinished());
QVERIFY(proc.exitStatus() == QProcess::NormalExit);
QCOMPARE(proc.exitCode(), 0);
#endif
}
void tst_QObject::blockingQueuedConnection()
{
{
SenderObject sender;
MoveToThreadThread thread;
ReceiverObject receiver;
receiver.moveToThread(&thread);
thread.start();
receiver.connect(&sender, SIGNAL(signal1()), SLOT(slot1()), Qt::BlockingQueuedConnection);
sender.emitSignal1();
QVERIFY(receiver.called(1));
receiver.reset();
QVERIFY(QMetaObject::invokeMethod(&receiver, "slot1", Qt::BlockingQueuedConnection));
QVERIFY(receiver.called(1));
thread.quit();
QVERIFY(thread.wait());
}
}
class EventSpy : public QObject
{
Q_OBJECT
public:
typedef QList<QPair<QObject *, QEvent::Type> > EventList;
EventSpy(QObject *parent = 0)
: QObject(parent)
{ }
EventList eventList()
{
return events;
}
void clear()
{
events.clear();
}
bool eventFilter(QObject *object, QEvent *event)
{
events.append(qMakePair(object, event->type()));
return false;
}
private:
EventList events;
};
void tst_QObject::compatibilityChildInsertedEvents()
{
EventSpy::EventList expected;
{
// no children created, so we expect no events
QObject object;
EventSpy spy;
object.installEventFilter(&spy);
QCoreApplication::postEvent(&object, new QEvent(QEvent::Type(QEvent::User + 1)));
QCoreApplication::processEvents();
expected =
EventSpy::EventList()
<< qMakePair(&object, QEvent::Type(QEvent::User + 1));
QCOMPARE(spy.eventList(), expected);
}
{
// 2 children, so we expect 2 ChildAdded and 2 ChildInserted events
QObject object;
EventSpy spy;
object.installEventFilter(&spy);
QCoreApplication::postEvent(&object, new QEvent(QEvent::Type(QEvent::User + 1)));
QObject child1(&object);
QObject child2;
child2.setParent(&object);
QCoreApplication::postEvent(&object, new QEvent(QEvent::Type(QEvent::User + 2)));
expected =
EventSpy::EventList()
<< qMakePair(&object, QEvent::ChildAdded)
<< qMakePair(&object, QEvent::ChildAdded);
QCOMPARE(spy.eventList(), expected);
spy.clear();
QCoreApplication::processEvents();
expected =
EventSpy::EventList()
#ifdef QT_HAS_QT3SUPPORT
<< qMakePair(&object, QEvent::ChildInsertedRequest)
<< qMakePair(&object, QEvent::ChildInserted)
<< qMakePair(&object, QEvent::ChildInserted)
#endif
<< qMakePair(&object, QEvent::Type(QEvent::User + 1))
<< qMakePair(&object, QEvent::Type(QEvent::User + 2));
QCOMPARE(spy.eventList(), expected);
}
{
// 2 children, but one is reparented away, so we expect:
// 2 ChildAdded, 1 ChildRemoved, and 1 ChildInserted
QObject object;
EventSpy spy;
object.installEventFilter(&spy);
QCoreApplication::postEvent(&object, new QEvent(QEvent::Type(QEvent::User + 1)));
QObject child1(&object);
QObject child2;
child2.setParent(&object);
child2.setParent(0);
QCoreApplication::postEvent(&object, new QEvent(QEvent::Type(QEvent::User + 2)));
expected =
EventSpy::EventList()
<< qMakePair(&object, QEvent::ChildAdded)
<< qMakePair(&object, QEvent::ChildAdded)
<< qMakePair(&object, QEvent::ChildRemoved);
QCOMPARE(spy.eventList(), expected);
spy.clear();
QCoreApplication::processEvents();
expected =
EventSpy::EventList()
#ifdef QT_HAS_QT3SUPPORT
<< qMakePair(&object, QEvent::ChildInsertedRequest)
<< qMakePair(&object, QEvent::ChildInserted)
#endif
<< qMakePair(&object, QEvent::Type(QEvent::User + 1))
<< qMakePair(&object, QEvent::Type(QEvent::User + 2));
QCOMPARE(spy.eventList(), expected);
}
}
void tst_QObject::installEventFilter()
{
QEvent event(QEvent::User);
EventSpy::EventList expected;
QObject object;
EventSpy spy;
object.installEventFilter(&spy);
// nothing special, should just work
QCoreApplication::sendEvent(&object, &event);
expected =
EventSpy::EventList()
<< qMakePair(&object, QEvent::User);
QCOMPARE(spy.eventList(), expected);
spy.clear();
// moving the filter causes QCoreApplication to skip the filter
spy.moveToThread(0);
QTest::ignoreMessage(QtWarningMsg, "QCoreApplication: Object event filter cannot be in a different thread.");
QCoreApplication::sendEvent(&object, &event);
QVERIFY(spy.eventList().isEmpty());
// move it back, and the filter works again
spy.moveToThread(object.thread());
QCoreApplication::sendEvent(&object, &event);
expected =
EventSpy::EventList()
<< qMakePair(&object, QEvent::User);
QCOMPARE(spy.eventList(), expected);
spy.clear();
// cannot install an event filter that lives in a different thread
object.removeEventFilter(&spy);
spy.moveToThread(0);
QTest::ignoreMessage(QtWarningMsg, "QObject::installEventFilter(): Cannot filter events for objects in a different thread.");
object.installEventFilter(&spy);
QCoreApplication::sendEvent(&object, &event);
QVERIFY(spy.eventList().isEmpty());
}
class EmitThread : public QThread
{ Q_OBJECT
public:
void run(void) {
emit work();
}
signals:
void work();
};
class DeleteObject : public QObject
{
Q_OBJECT
public slots:
void deleteSelf()
{
delete this;
}
void relaySignalAndProcessEvents()
{
emit relayedSignal();
QCoreApplication::processEvents();
}
signals:
void relayedSignal();
};
void tst_QObject::deleteSelfInSlot()
{
{
SenderObject sender;
DeleteObject *receiver = new DeleteObject();
receiver->connect(&sender,
SIGNAL(signal1()),
SLOT(deleteSelf()),
Qt::BlockingQueuedConnection);
QThread thread;
receiver->moveToThread(&thread);
thread.connect(receiver, SIGNAL(destroyed()), SLOT(quit()), Qt::DirectConnection);
thread.start();
QPointer<DeleteObject> p = receiver;
sender.emitSignal1();
QVERIFY(p.isNull());
QVERIFY(thread.wait(10000));
}
{
SenderObject sender;
DeleteObject *receiver = new DeleteObject();
receiver->connect(&sender,
SIGNAL(signal1()),
SLOT(relaySignalAndProcessEvents()),
Qt::BlockingQueuedConnection);
receiver->connect(receiver,
SIGNAL(relayedSignal()),
SLOT(deleteSelf()),
Qt::QueuedConnection);
QThread thread;
receiver->moveToThread(&thread);
thread.connect(receiver, SIGNAL(destroyed()), SLOT(quit()), Qt::DirectConnection);
thread.start();
QPointer<DeleteObject> p = receiver;
sender.emitSignal1();
QVERIFY(p.isNull());
QVERIFY(thread.wait(10000));
}
{
EmitThread sender;
DeleteObject *receiver = new DeleteObject();
connect(&sender, SIGNAL(work()), receiver, SLOT(deleteSelf()), Qt::DirectConnection);
QPointer<DeleteObject> p = receiver;
sender.start();
QVERIFY(sender.wait(10000));
QVERIFY(p.isNull());
}
}
class DisconnectObject : public QObject
{
Q_OBJECT
public slots:
void disconnectSelf()
{
disconnect(sender(), 0, this, 0);
}
void relaySignalAndProcessEvents()
{
emit relayedSignal();
QCoreApplication::processEvents();
}
signals:
void relayedSignal();
};
void tst_QObject::disconnectSelfInSlotAndDeleteAfterEmit()
{
{
SenderObject sender;
DisconnectObject *receiver = new DisconnectObject();
receiver->connect(&sender, SIGNAL(signal1()), SLOT(disconnectSelf()));
sender.emitSignal1AfterRecursion();
delete receiver;
}
{
SenderObject sender;
DisconnectObject *receiver = new DisconnectObject();
receiver->connect(&sender,
SIGNAL(signal1()),
SLOT(disconnectSelf()),
Qt::BlockingQueuedConnection);
QThread thread;
receiver->moveToThread(&thread);
thread.connect(receiver, SIGNAL(destroyed()), SLOT(quit()), Qt::DirectConnection);
thread.start();
QPointer<DisconnectObject> p = receiver;
sender.emitSignal1();
QVERIFY(!p.isNull());
receiver->deleteLater();
QVERIFY(thread.wait(10000));
QVERIFY(p.isNull());
}
{
SenderObject sender;
DisconnectObject *receiver = new DisconnectObject();
receiver->connect(&sender,
SIGNAL(signal1()),
SLOT(relaySignalAndProcessEvents()),
Qt::BlockingQueuedConnection);
receiver->connect(receiver,
SIGNAL(relayedSignal()),
SLOT(disconnectSelf()),
Qt::QueuedConnection);
QThread thread;
receiver->moveToThread(&thread);
thread.connect(receiver, SIGNAL(destroyed()), SLOT(quit()), Qt::DirectConnection);
thread.start();
QPointer<DisconnectObject> p = receiver;
sender.emitSignal1();
QVERIFY(!p.isNull());
receiver->deleteLater();
QVERIFY(thread.wait(10000));
QVERIFY(p.isNull());
}
}
void tst_QObject::dumpObjectInfo()
{
QObject a, b;
QObject::connect(&a, SIGNAL(destroyed(QObject *)), &b, SLOT(deleteLater()));
a.disconnect(&b);
a.dumpObjectInfo(); // should not crash
}
class ConnectToSender : public QObject
{ Q_OBJECT
public slots:
void uselessSlot() { count++; }
void harmfullSlot() {
//this used to crash
connect(sender(), SIGNAL(signal4()), this, SLOT(uselessSlot()));
//play a little bit with the memory in order to really get a segfault.
connect(sender(), SIGNAL(signal1()), this, SLOT(uselessSlot()));
QList<double>() << 45 << 78 << 65 << 121 << 45 << 78 << 12;
}
public:
int count;
};
void tst_QObject::connectToSender()
{
SenderObject s;
ConnectToSender r;
r.count = 0;
QObject::connect(&s, SIGNAL(signal1()), &r, SLOT(harmfullSlot()));
QObject::connect(&s, SIGNAL(signal1()), &r, SLOT(uselessSlot()));
s.emitSignal1();
QCOMPARE(r.count, 1);
s.emitSignal4();
QCOMPARE(r.count, 2);
}
void tst_QObject::qobjectConstCast()
{
FooObject obj;
QObject *ptr = &obj;
const QObject *cptr = &obj;
QVERIFY(qobject_cast<FooObject *>(ptr));
QVERIFY(qobject_cast<const FooObject *>(cptr));
}
void tst_QObject::uniqConnection()
{
SenderObject *s = new SenderObject;
ReceiverObject *r1 = new ReceiverObject;
ReceiverObject *r2 = new ReceiverObject;
r1->reset();
r2->reset();
ReceiverObject::sequence = 0;
QVERIFY( connect( s, SIGNAL( signal1() ), r1, SLOT( slot1() ) , Qt::UniqueConnection) );
QVERIFY( connect( s, SIGNAL( signal1() ), r2, SLOT( slot1() ) , Qt::UniqueConnection) );
QVERIFY( connect( s, SIGNAL( signal1() ), r1, SLOT( slot3() ) , Qt::UniqueConnection) );
QVERIFY( connect( s, SIGNAL( signal3() ), r1, SLOT( slot3() ) , Qt::UniqueConnection) );
s->emitSignal1();
s->emitSignal2();
s->emitSignal3();
s->emitSignal4();
QCOMPARE( r1->count_slot1, 1 );
QCOMPARE( r1->count_slot2, 0 );
QCOMPARE( r1->count_slot3, 2 );
QCOMPARE( r1->count_slot4, 0 );
QCOMPARE( r2->count_slot1, 1 );
QCOMPARE( r2->count_slot2, 0 );
QCOMPARE( r2->count_slot3, 0 );
QCOMPARE( r2->count_slot4, 0 );
QCOMPARE( r1->sequence_slot1, 1 );
QCOMPARE( r2->sequence_slot1, 2 );
QCOMPARE( r1->sequence_slot3, 4 );
r1->reset();
r2->reset();
ReceiverObject::sequence = 0;
QVERIFY( connect( s, SIGNAL( signal4() ), r1, SLOT( slot4() ) , Qt::UniqueConnection) );
QVERIFY( connect( s, SIGNAL( signal4() ), r2, SLOT( slot4() ) , Qt::UniqueConnection) );
QVERIFY(!connect( s, SIGNAL( signal4() ), r2, SLOT( slot4() ) , Qt::UniqueConnection) );
QVERIFY( connect( s, SIGNAL( signal1() ), r2, SLOT( slot4() ) , Qt::UniqueConnection) );
QVERIFY(!connect( s, SIGNAL( signal4() ), r1, SLOT( slot4() ) , Qt::UniqueConnection) );
s->emitSignal4();
QCOMPARE( r1->count_slot4, 1 );
QCOMPARE( r2->count_slot4, 1 );
QCOMPARE( r1->sequence_slot4, 1 );
QCOMPARE( r2->sequence_slot4, 2 );
r1->reset();
r2->reset();
ReceiverObject::sequence = 0;
connect( s, SIGNAL( signal4() ), r1, SLOT( slot4() ) );
s->emitSignal4();
QCOMPARE( r1->count_slot4, 2 );
QCOMPARE( r2->count_slot4, 1 );
QCOMPARE( r1->sequence_slot4, 3 );
QCOMPARE( r2->sequence_slot4, 2 );
delete s;
delete r1;
delete r2;
}
void tst_QObject::interfaceIid()
{
QCOMPARE(QByteArray(qobject_interface_iid<Foo::Bleh *>()),
QByteArray(Bleh_iid));
QCOMPARE(QByteArray(qobject_interface_iid<Foo::Bar *>()),
QByteArray("com.qtest.foobar"));
QCOMPARE(QByteArray(qobject_interface_iid<FooObject *>()),
QByteArray());
}
void tst_QObject::deleteQObjectWhenDeletingEvent()
{
//this is related to task 259514
//before the fix this used to dead lock when the QObject from the event was destroyed
struct MyEvent : public QEvent
{
MyEvent() : QEvent(QEvent::User) { }
QObject obj;
};
QObject o;
QApplication::postEvent(&o, new MyEvent);
QCoreApplication::removePostedEvents(&o); // here you would get a deadlock
}
class OverloadObject : public QObject
{
friend class tst_QObject;
Q_OBJECT
signals:
void sig(int i, char c, qreal m = 12);
void sig(int i, int j = 12);
void sig(QObject *o, QObject *p, QObject *q = 0, QObject *r = 0) const;
void other(int a = 0);
void sig(QObject *o, OverloadObject *p = 0, QObject *q = 0, QObject *r = 0);
void sig(double r = 0.5);
public slots:
void slo(int i, int j = 43)
{
s_num += 1;
i1_num = i;
i2_num = j;
}
void slo(QObject *o, QObject *p = qApp, QObject *q = qApp, QObject *r = qApp)
{
s_num += 10;
o1_obj = o;
o2_obj = p;
o3_obj = q;
o4_obj = r;
}
void slo()
{
s_num += 100;
}
public:
int s_num;
int i1_num;
int i2_num;
QObject *o1_obj;
QObject *o2_obj;
QObject *o3_obj;
QObject *o4_obj;
};
void tst_QObject::overloads()
{
OverloadObject obj1;
OverloadObject obj2;
QObject obj3;
obj1.s_num = 0;
obj2.s_num = 0;
connect (&obj1, SIGNAL(sig(int)) , &obj1, SLOT(slo(int)));
connect (&obj1, SIGNAL(sig(QObject *, QObject *, QObject *)) , &obj1, SLOT(slo(QObject * , QObject *, QObject *)));
connect (&obj1, SIGNAL(sig(QObject *, QObject *, QObject *, QObject *)) , &obj2, SLOT(slo(QObject * , QObject *, QObject *)));
connect (&obj1, SIGNAL(sig(QObject *)) , &obj2, SLOT(slo()));
connect (&obj1, SIGNAL(sig(int, int)) , &obj2, SLOT(slo(int, int)));
emit obj1.sig(0.5); //connected to nothing
emit obj1.sig(1, 'a'); //connected to nothing
QCOMPARE(obj1.s_num, 0);
QCOMPARE(obj2.s_num, 0);
emit obj1.sig(1); //this signal is connected
QCOMPARE(obj1.s_num, 1);
QCOMPARE(obj1.i1_num, 1);
QCOMPARE(obj1.i2_num, 43); //default argument of the slot
QCOMPARE(obj2.s_num, 1);
QCOMPARE(obj2.i1_num, 1);
QCOMPARE(obj2.i2_num, 12); //default argument of the signal
emit obj1.sig(&obj2); //this signal is conencted to obj2
QCOMPARE(obj1.s_num, 1);
QCOMPARE(obj2.s_num, 101);
emit obj1.sig(&obj2, &obj3); //this signal is connected
QCOMPARE(obj1.s_num, 11);
QCOMPARE(obj1.o1_obj, &obj2);
QCOMPARE(obj1.o2_obj, &obj3);
QCOMPARE(obj1.o3_obj, (QObject *)0); //default arg of the signal
QCOMPARE(obj1.o4_obj, qApp); //default arg of the slot
QCOMPARE(obj2.s_num, 111);
QCOMPARE(obj2.o1_obj, &obj2);
QCOMPARE(obj2.o2_obj, &obj3);
QCOMPARE(obj2.o3_obj, (QObject *)0); //default arg of the signal
QCOMPARE(obj2.o4_obj, qApp); //default arg of the slot
}
class ManySignals : public QObject
{ Q_OBJECT
friend class tst_QObject;
signals:
void sig00(); void sig01(); void sig02(); void sig03(); void sig04();
void sig05(); void sig06(); void sig07(); void sig08(); void sig09();
void sig10(); void sig11(); void sig12(); void sig13(); void sig14();
void sig15(); void sig16(); void sig17(); void sig18(); void sig19();
void sig20(); void sig21(); void sig22(); void sig23(); void sig24();
void sig25(); void sig26(); void sig27(); void sig28(); void sig29();
void sig30(); void sig31(); void sig32(); void sig33(); void sig34();
void sig35(); void sig36(); void sig37(); void sig38(); void sig39();
void sig40(); void sig41(); void sig42(); void sig43(); void sig44();
void sig45(); void sig46(); void sig47(); void sig48(); void sig49();
void sig50(); void sig51(); void sig52(); void sig53(); void sig54();
void sig55(); void sig56(); void sig57(); void sig58(); void sig59();
void sig60(); void sig61(); void sig62(); void sig63(); void sig64();
void sig65(); void sig66(); void sig67(); void sig68(); void sig69();
public slots:
void received() { rec++; }
public:
int rec;
};
void tst_QObject::isSignalConnected()
{
ManySignals o;
o.rec = 0;
#ifdef QT_BUILD_INTERNAL
QObjectPrivate *priv = QObjectPrivate::get(&o);
QVERIFY(!priv->isSignalConnected(priv->signalIndex("destroyed()")));
QVERIFY(!priv->isSignalConnected(priv->signalIndex("sig00()")));
QVERIFY(!priv->isSignalConnected(priv->signalIndex("sig05()")));
QVERIFY(!priv->isSignalConnected(priv->signalIndex("sig15()")));
QVERIFY(!priv->isSignalConnected(priv->signalIndex("sig29()")));
QVERIFY(!priv->isSignalConnected(priv->signalIndex("sig60()")));
QVERIFY(!priv->isSignalConnected(priv->signalIndex("sig61()")));
#endif
QObject::connect(&o, SIGNAL(sig00()), &o, SIGNAL(sig69()));
QObject::connect(&o, SIGNAL(sig34()), &o, SIGNAL(sig03()));
QObject::connect(&o, SIGNAL(sig69()), &o, SIGNAL(sig34()));
QObject::connect(&o, SIGNAL(sig03()), &o, SIGNAL(sig18()));
#ifdef QT_BUILD_INTERNAL
QVERIFY(!priv->isSignalConnected(priv->signalIndex("destroyed()")));
QVERIFY(!priv->isSignalConnected(priv->signalIndex("sig05()")));
QVERIFY(!priv->isSignalConnected(priv->signalIndex("sig15()")));
QVERIFY(!priv->isSignalConnected(priv->signalIndex("sig29()")));
QVERIFY(priv->isSignalConnected(priv->signalIndex("sig00()")));
QVERIFY(priv->isSignalConnected(priv->signalIndex("sig03()")));
QVERIFY(priv->isSignalConnected(priv->signalIndex("sig34()")));
QVERIFY(priv->isSignalConnected(priv->signalIndex("sig69()")));
QVERIFY(!priv->isSignalConnected(priv->signalIndex("sig18()")));
#endif
QObject::connect(&o, SIGNAL(sig18()), &o, SIGNAL(sig29()));
QObject::connect(&o, SIGNAL(sig29()), &o, SIGNAL(sig62()));
QObject::connect(&o, SIGNAL(sig62()), &o, SIGNAL(sig28()));
QObject::connect(&o, SIGNAL(sig28()), &o, SIGNAL(sig27()));
#ifdef QT_BUILD_INTERNAL
QVERIFY(priv->isSignalConnected(priv->signalIndex("sig18()")));
QVERIFY(priv->isSignalConnected(priv->signalIndex("sig62()")));
QVERIFY(priv->isSignalConnected(priv->signalIndex("sig28()")));
QVERIFY(priv->isSignalConnected(priv->signalIndex("sig69()")));
QVERIFY(!priv->isSignalConnected(priv->signalIndex("sig27()")));
#endif
QCOMPARE(o.rec, 0);
emit o.sig01();
emit o.sig34();
QCOMPARE(o.rec, 0);
QObject::connect(&o, SIGNAL(sig27()), &o, SLOT(received()));
#ifdef QT_BUILD_INTERNAL
QVERIFY(priv->isSignalConnected(priv->signalIndex("sig00()")));
QVERIFY(priv->isSignalConnected(priv->signalIndex("sig03()")));
QVERIFY(priv->isSignalConnected(priv->signalIndex("sig34()")));
QVERIFY(priv->isSignalConnected(priv->signalIndex("sig18()")));
QVERIFY(priv->isSignalConnected(priv->signalIndex("sig62()")));
QVERIFY(priv->isSignalConnected(priv->signalIndex("sig28()")));
QVERIFY(priv->isSignalConnected(priv->signalIndex("sig69()")));
QVERIFY(priv->isSignalConnected(priv->signalIndex("sig27()")));
QVERIFY(!priv->isSignalConnected(priv->signalIndex("sig04()")));
QVERIFY(!priv->isSignalConnected(priv->signalIndex("sig21()")));
QVERIFY(!priv->isSignalConnected(priv->signalIndex("sig25()")));
QVERIFY(!priv->isSignalConnected(priv->signalIndex("sig55()")));
QVERIFY(!priv->isSignalConnected(priv->signalIndex("sig61()")));
#endif
emit o.sig00();
QCOMPARE(o.rec, 1);
emit o.sig69();
QCOMPARE(o.rec, 2);
emit o.sig36();
QCOMPARE(o.rec, 2);
}
void tst_QObject::qMetaObjectConnect()
{
SenderObject *s = new SenderObject;
ReceiverObject *r1 = new ReceiverObject;
ReceiverObject *r2 = new ReceiverObject;
r1->reset();
r2->reset();
ReceiverObject::sequence = 0;
int signal1Index = s->metaObject()->indexOfSignal("signal1()");
int signal3Index = s->metaObject()->indexOfSignal("signal3()");
int slot1Index = r1->metaObject()->indexOfSlot("slot1()");
int slot2Index = r1->metaObject()->indexOfSlot("slot2()");
int slot3Index = r1->metaObject()->indexOfSlot("slot3()");
QVERIFY(slot1Index > 0);
QVERIFY(slot2Index > 0);
QVERIFY(slot3Index > 0);
QVERIFY( QMetaObject::connect( s, signal1Index, r1, slot1Index) );
QVERIFY( QMetaObject::connect( s, signal3Index, r2, slot3Index) );
QVERIFY( QMetaObject::connect( s, -1, r2, slot2Index) );
QCOMPARE( r1->count_slot1, 0 );
QCOMPARE( r1->count_slot2, 0 );
QCOMPARE( r1->count_slot3, 0 );
QCOMPARE( r2->count_slot1, 0 );
QCOMPARE( r2->count_slot2, 0 );
QCOMPARE( r2->count_slot3, 0 );
s->emitSignal1();
QCOMPARE( r1->count_slot1, 1 );
QCOMPARE( r1->count_slot2, 0 );
QCOMPARE( r1->count_slot3, 0 );
QCOMPARE( r2->count_slot1, 0 );
QCOMPARE( r2->count_slot2, 1 );
QCOMPARE( r2->count_slot3, 0 );
s->emitSignal2();
s->emitSignal3();
s->emitSignal4();
QCOMPARE( r1->count_slot1, 1 );
QCOMPARE( r1->count_slot2, 0 );
QCOMPARE( r1->count_slot3, 0 );
QCOMPARE( r2->count_slot1, 0 );
QCOMPARE( r2->count_slot2, 4 );
QCOMPARE( r2->count_slot3, 1 );
QVERIFY( QMetaObject::disconnect( s, signal1Index, r1, slot1Index) );
QVERIFY( QMetaObject::disconnect( s, signal3Index, r2, slot3Index) );
QVERIFY( QMetaObject::disconnect( s, -1, r2, slot2Index) );
s->emitSignal1();
s->emitSignal2();
s->emitSignal3();
s->emitSignal4();
QCOMPARE( r1->count_slot1, 1 );
QCOMPARE( r1->count_slot2, 0 );
QCOMPARE( r1->count_slot3, 0 );
QCOMPARE( r2->count_slot1, 0 );
QCOMPARE( r2->count_slot2, 4 );
QCOMPARE( r2->count_slot3, 1 );
//some "dynamic" signal
QVERIFY( QMetaObject::connect( s, s->metaObject()->methodOffset() + 20, r1, slot3Index) );
QVERIFY( QMetaObject::connect( s, s->metaObject()->methodOffset() + 35, r2, slot1Index) );
QVERIFY( QMetaObject::connect( s, -1, r1, slot2Index) );
r1->reset();
r2->reset();
void *args[] = { 0 , 0 };
QMetaObject::activate(s, s->metaObject()->methodOffset() + 20, args);
QMetaObject::activate(s, s->metaObject()->methodOffset() + 48, args);
QCOMPARE( r1->count_slot1, 0 );
QCOMPARE( r1->count_slot2, 2 );
QCOMPARE( r1->count_slot3, 1 );
QCOMPARE( r2->count_slot1, 0 );
QCOMPARE( r2->count_slot2, 0 );
QCOMPARE( r2->count_slot3, 0 );
QMetaObject::activate(s, s->metaObject()->methodOffset() + 35, args);
s->emitSignal1();
s->emitSignal2();
QCOMPARE( r1->count_slot1, 0 );
QCOMPARE( r1->count_slot2, 5 );
QCOMPARE( r1->count_slot3, 1 );
QCOMPARE( r2->count_slot1, 1 );
QCOMPARE( r2->count_slot2, 0 );
QCOMPARE( r2->count_slot3, 0 );
delete s;
r1->reset();
r2->reset();
#define SIGNAL_INDEX(S) obj1.metaObject()->indexOfSignal(QMetaObject::normalizedSignature(#S))
OverloadObject obj1;
QObject obj2, obj3;
QMetaObject::connect(&obj1, SIGNAL_INDEX(sig(int)) , r1, slot1Index);
QMetaObject::connect(&obj1, SIGNAL_INDEX(sig(QObject *, QObject *, QObject *)) , r2, slot1Index);
QMetaObject::connect(&obj1, SIGNAL_INDEX(sig(QObject *, QObject *, QObject *, QObject *)) , r1, slot2Index);
QMetaObject::connect(&obj1, SIGNAL_INDEX(sig(QObject *)) , r2, slot2Index);
QMetaObject::connect(&obj1, SIGNAL_INDEX(sig(int, int)) , r1, slot3Index);
emit obj1.sig(0.5); //connected to nothing
emit obj1.sig(1, 'a'); //connected to nothing
QCOMPARE( r1->count_slot1, 0 );
QCOMPARE( r1->count_slot2, 0 );
QCOMPARE( r1->count_slot3, 0 );
QCOMPARE( r2->count_slot1, 0 );
QCOMPARE( r2->count_slot2, 0 );
QCOMPARE( r2->count_slot3, 0 );
emit obj1.sig(1); //this signal is connected
emit obj1.sig(&obj2);
QCOMPARE( r1->count_slot1, 1 );
QCOMPARE( r1->count_slot2, 0 );
QCOMPARE( r1->count_slot3, 1 );
QCOMPARE( r2->count_slot1, 0 );
QCOMPARE( r2->count_slot2, 1 );
QCOMPARE( r2->count_slot3, 0 );
emit obj1.sig(&obj2, &obj3); //this signal is connected
QCOMPARE( r1->count_slot1, 1 );
QCOMPARE( r1->count_slot2, 1 );
QCOMPARE( r1->count_slot3, 1 );
QCOMPARE( r2->count_slot1, 1 );
QCOMPARE( r2->count_slot2, 1 );
QCOMPARE( r2->count_slot3, 0 );
delete r1;
delete r2;
}
void tst_QObject::qMetaObjectDisconnectOne()
{
SenderObject *s = new SenderObject;
ReceiverObject *r1 = new ReceiverObject;
int signal1Index = s->metaObject()->indexOfSignal("signal1()");
int signal3Index = s->metaObject()->indexOfSignal("signal3()");
int slot1Index = r1->metaObject()->indexOfSlot("slot1()");
int slot2Index = r1->metaObject()->indexOfSlot("slot2()");
QVERIFY(signal1Index > 0);
QVERIFY(signal3Index > 0);
QVERIFY(slot1Index > 0);
QVERIFY(slot2Index > 0);
QVERIFY( QMetaObject::connect(s, signal1Index, r1, slot1Index) );
QVERIFY( QMetaObject::connect(s, signal3Index, r1, slot2Index) );
QVERIFY( QMetaObject::connect(s, signal3Index, r1, slot2Index) );
QVERIFY( QMetaObject::connect(s, signal3Index, r1, slot2Index) );
r1->reset();
QCOMPARE( r1->count_slot1, 0 );
QCOMPARE( r1->count_slot2, 0 );
s->emitSignal1();
QCOMPARE( r1->count_slot1, 1 );
QCOMPARE( r1->count_slot2, 0 );
s->emitSignal3();
QCOMPARE( r1->count_slot1, 1 );
QCOMPARE( r1->count_slot2, 3 );
r1->reset();
QVERIFY( QMetaObject::disconnectOne(s, signal1Index, r1, slot1Index) );
QVERIFY( QMetaObject::disconnectOne(s, signal3Index, r1, slot2Index) );
s->emitSignal1();
QCOMPARE( r1->count_slot1, 0 );
QCOMPARE( r1->count_slot2, 0 );
s->emitSignal3();
QCOMPARE( r1->count_slot1, 0 );
QCOMPARE( r1->count_slot2, 2 );
r1->reset();
QVERIFY( false == QMetaObject::disconnectOne(s, signal1Index, r1, slot1Index) );
QVERIFY( QMetaObject::disconnectOne(s, signal3Index, r1, slot2Index) );
s->emitSignal1();
QCOMPARE( r1->count_slot1, 0 );
QCOMPARE( r1->count_slot2, 0 );
s->emitSignal3();
QCOMPARE( r1->count_slot1, 0 );
QCOMPARE( r1->count_slot2, 1 );
r1->reset();
QVERIFY( false == QMetaObject::disconnectOne(s, signal1Index, r1, slot1Index) );
QVERIFY( QMetaObject::disconnectOne(s, signal3Index, r1, slot2Index) );
s->emitSignal1();
QCOMPARE( r1->count_slot1, 0 );
QCOMPARE( r1->count_slot2, 0 );
s->emitSignal3();
QCOMPARE( r1->count_slot1, 0 );
QCOMPARE( r1->count_slot2, 0 );
delete s;
delete r1;
}
QTEST_MAIN(tst_QObject)
#include "tst_qobject.moc"