qt5base-lts/tests/auto/testlib/qsignalspy/tst_qsignalspy.cpp

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/****************************************************************************
**
** Copyright (C) 2012 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.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** 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.
**
** 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.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtTest/QtTest>
#include <qdatetime.h>
class tst_QSignalSpy : public QObject
{
Q_OBJECT
private slots:
void spyWithoutArgs();
void spyWithBasicArgs();
void spyWithPointers();
void spyWithQtClasses();
void spyWithBasicQtClasses();
void spyWithQtTypedefs();
};
class QtTestObject: public QObject
{
Q_OBJECT
public:
QtTestObject();
signals:
void sig0();
void sig1(int, int);
void sigLong(long, long);
void sig2(int *, int *);
public:
QString slotResult;
friend class tst_QSignalSpy;
};
QtTestObject::QtTestObject()
{
}
void tst_QSignalSpy::spyWithoutArgs()
{
QtTestObject obj;
QSignalSpy spy(&obj, SIGNAL(sig0()));
QCOMPARE(spy.count(), 0);
emit obj.sig0();
QCOMPARE(spy.count(), 1);
emit obj.sig0();
QCOMPARE(spy.count(), 2);
QList<QVariant> args = spy.takeFirst();
QCOMPARE(args.count(), 0);
}
void tst_QSignalSpy::spyWithBasicArgs()
{
QtTestObject obj;
QSignalSpy spy(&obj, SIGNAL(sig1(int,int)));
emit obj.sig1(1, 2);
QCOMPARE(spy.count(), 1);
QList<QVariant> args = spy.takeFirst();
QCOMPARE(args.count(), 2);
QCOMPARE(args.at(0).toInt(), 1);
QCOMPARE(args.at(1).toInt(), 2);
QSignalSpy spyl(&obj, SIGNAL(sigLong(long,long)));
emit obj.sigLong(1l, 2l);
args = spyl.takeFirst();
QCOMPARE(args.count(), 2);
QCOMPARE(qvariant_cast<long>(args.at(0)), 1l);
QCOMPARE(qvariant_cast<long>(args.at(1)), 2l);
}
void tst_QSignalSpy::spyWithPointers()
{
qRegisterMetaType<int *>("int*");
QtTestObject obj;
QSignalSpy spy(&obj, SIGNAL(sig2(int*,int*)));
int i1 = 1;
int i2 = 2;
emit obj.sig2(&i1, &i2);
QCOMPARE(spy.count(), 1);
QList<QVariant> args = spy.takeFirst();
QCOMPARE(args.count(), 2);
QCOMPARE(*static_cast<int * const *>(args.at(0).constData()), &i1);
QCOMPARE(*static_cast<int * const *>(args.at(1).constData()), &i2);
}
class QtTestObject2: public QObject
{
Q_OBJECT
friend class tst_QSignalSpy;
signals:
void sig(QString);
void sig2(const QDateTime &dt);
void sig3(QObject *o);
void sig4(QChar c);
};
void tst_QSignalSpy::spyWithBasicQtClasses()
{
QtTestObject2 obj;
QSignalSpy spy(&obj, SIGNAL(sig(QString)));
emit obj.sig(QString("bubu"));
QCOMPARE(spy.count(), 1);
QCOMPARE(spy.at(0).count(), 1);
QCOMPARE(spy.at(0).at(0).toString(), QString("bubu"));
}
void tst_QSignalSpy::spyWithQtClasses()
{
QtTestObject2 obj;
qRegisterMetaType<QDateTime>("QDateTime");
QSignalSpy spy(&obj, SIGNAL(sig2(QDateTime)));
QDateTime dt = QDateTime::currentDateTime();
emit obj.sig2(dt);
QCOMPARE(spy.count(), 1);
QCOMPARE(spy.at(0).count(), 1);
QCOMPARE(spy.at(0).at(0).typeName(), "QDateTime");
QCOMPARE(*static_cast<const QDateTime *>(spy.at(0).at(0).constData()), dt);
QCOMPARE(spy.at(0).at(0).toDateTime(), dt);
QSignalSpy spy2(&obj, SIGNAL(sig3(QObject*)));
emit obj.sig3(this);
QCOMPARE(*static_cast<QObject * const *>(spy2.value(0).value(0).constData()),
(QObject *)this);
QCOMPARE(qvariant_cast<QObject *>(spy2.value(0).value(0)), (QObject*)this);
QSignalSpy spy3(&obj, SIGNAL(sig4(QChar)));
emit obj.sig4(QChar('A'));
QCOMPARE(qvariant_cast<QChar>(spy3.value(0).value(0)), QChar('A'));
}
class QtTestObject3: public QObject
{
Q_OBJECT
friend class tst_QSignalSpy;
signals:
void sig1(quint16);
void sig2(qlonglong, qulonglong);
void sig3(qint64, quint64);
};
void tst_QSignalSpy::spyWithQtTypedefs()
{
QtTestObject3 obj;
// QSignalSpy spy1(&obj, SIGNAL(sig1(quint16)));
// emit obj.sig1(42);
// QCOMPARE(spy1.value(0).value(0).toInt(), 42);
QSignalSpy spy2(&obj, SIGNAL(sig2(qlonglong,qulonglong)));
emit obj.sig2(42, 43);
QCOMPARE(spy2.value(0).value(0).toInt(), 42);
QCOMPARE(spy2.value(0).value(1).toInt(), 43);
// QSignalSpy spy3(&obj, SIGNAL(sig3(qint64,quint64)));
// emit obj.sig3(44, 45);
// QCOMPARE(spy3.value(0).value(0).toInt(), 44);
// QCOMPARE(spy3.value(0).value(1).toInt(), 45);
}
QTEST_APPLESS_MAIN(tst_QSignalSpy)
#include "tst_qsignalspy.moc"