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/****************************************************************************
**
** Copyright (C) 2013 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com, author Marc Mutz <marc.mutz@woboq.com>
** Contact: http://www.qt-project.org/legal
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** 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, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtTest/QtTest>
#include "qobject.h"
class tst_QSignalBlocker : public QObject
{
Q_OBJECT
private slots:
void signalBlocking();
void signalBlockingMoveAssignment();
};
class SenderObject : public QObject
{
Q_OBJECT
public:
SenderObject() : aPublicSlotCalled(0), 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();
void signal6(void);
void signal7(int, const QString &);
public slots:
void aPublicSlot() { aPublicSlotCalled++; }
public:
Q_INVOKABLE void invoke1(){}
Q_SCRIPTABLE void sinvoke1(){}
int aPublicSlotCalled;
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_QSignalBlocker::signalBlocking()
{
SenderObject sender;
ReceiverObject receiver;
receiver.connect(&sender, SIGNAL(signal1()), SLOT(slot1()));
sender.emitSignal1();
QVERIFY(receiver.called(1));
receiver.reset();
{
QSignalBlocker blocker(&sender);
sender.emitSignal1();
QVERIFY(!receiver.called(1));
receiver.reset();
sender.blockSignals(false);
sender.emitSignal1();
QVERIFY(receiver.called(1));
receiver.reset();
sender.blockSignals(true);
sender.emitSignal1();
QVERIFY(!receiver.called(1));
receiver.reset();
blocker.unblock();
sender.emitSignal1();
QVERIFY(receiver.called(1));
receiver.reset();
blocker.reblock();
sender.emitSignal1();
QVERIFY(!receiver.called(1));
receiver.reset();
}
sender.emitSignal1();
QVERIFY(receiver.called(1));
receiver.reset();
}
void tst_QSignalBlocker::signalBlockingMoveAssignment()
{
#ifdef Q_COMPILER_RVALUE_REFS
QObject o1, o2;
// move-assignment: both block other objects
{
QSignalBlocker b(&o1);
QVERIFY(o1.signalsBlocked());
QVERIFY(!o2.signalsBlocked());
b = QSignalBlocker(&o2);
QVERIFY(!o1.signalsBlocked());
QVERIFY(o2.signalsBlocked());
}
QVERIFY(!o1.signalsBlocked());
QVERIFY(!o2.signalsBlocked());
// move-assignment: from inert other
{
QSignalBlocker b(&o1);
QVERIFY(o1.signalsBlocked());
b = QSignalBlocker(0);
}
QVERIFY(!o1.signalsBlocked());
QVERIFY(!o2.signalsBlocked());
// move-assignment: to inert *this
{
QSignalBlocker b(0);
QVERIFY(!o1.signalsBlocked());
{
QSignalBlocker inner(&o1);
QVERIFY(o1.signalsBlocked());
b = std::move(inner);
}
QVERIFY(o1.signalsBlocked());
}
QVERIFY(!o1.signalsBlocked());
QVERIFY(!o2.signalsBlocked());
// move-assignment: both block the same object, neither is unblocked
{
QSignalBlocker b(&o1);
QVERIFY(o1.signalsBlocked());
{
b.unblock(); // make sure inner.m_blocked = false
QVERIFY(!o1.signalsBlocked());
QSignalBlocker inner(&o1);
QVERIFY(o1.signalsBlocked());
b.reblock();
QVERIFY(o1.signalsBlocked());
b = std::move(inner);
}
QVERIFY(o1.signalsBlocked());
}
QVERIFY(!o1.signalsBlocked());
QVERIFY(!o2.signalsBlocked());
// move-assignment: both block the same object, but *this is unblocked
{
QSignalBlocker b(&o1);
QVERIFY(o1.signalsBlocked());
b.unblock();
QVERIFY(!o1.signalsBlocked());
b = QSignalBlocker(&o1);
QVERIFY(o1.signalsBlocked());
}
QVERIFY(!o1.signalsBlocked());
QVERIFY(!o2.signalsBlocked());
// move-assignment: both block the same object, but other is unblocked
{
QSignalBlocker b(&o1);
{
QVERIFY(o1.signalsBlocked());
QSignalBlocker inner(&o1);
QVERIFY(o1.signalsBlocked());
inner.unblock();
QVERIFY(o1.signalsBlocked());
b = std::move(inner);
QVERIFY(!o1.signalsBlocked());
}
QVERIFY(!o1.signalsBlocked());
}
QVERIFY(!o1.signalsBlocked());
QVERIFY(!o2.signalsBlocked());
#else
QSKIP("This compiler is not in C++11 mode or doesn't support move semantics");
#endif // Q_COMPILER_RVALUE_REFS
}
QTEST_MAIN(tst_QSignalBlocker)
#include "tst_qsignalblocker.moc"
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