qt5base-lts/tests/auto/qgraphicsobject/tst_qgraphicsobject.cpp

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/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the test suite of the Qt Toolkit.
**
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** 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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** $QT_END_LICENSE$
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****************************************************************************/
#include <QtTest/QtTest>
#include <qgraphicsitem.h>
#include <qgraphicsscene.h>
#include <qgraphicssceneevent.h>
#include <qgraphicsview.h>
#include <qstyleoption.h>
#include <private/qobject_p.h>
#include "../../shared/util.h"
class tst_QGraphicsObject : public QObject {
Q_OBJECT
public slots:
void initTestCase();
void cleanupTestCase();
void init();
void cleanup();
private slots:
void pos();
void x();
void y();
void z();
void opacity();
void enabled();
void visible();
void deleted();
};
// This will be called before the first test function is executed.
// It is only called once.
void tst_QGraphicsObject::initTestCase()
{
}
// This will be called after the last test function is executed.
// It is only called once.
void tst_QGraphicsObject::cleanupTestCase()
{
}
// This will be called before each test function is executed.
void tst_QGraphicsObject::init()
{
}
// This will be called after every test function.
void tst_QGraphicsObject::cleanup()
{
}
class MyGraphicsObject : public QGraphicsObject
{
public:
MyGraphicsObject() : QGraphicsObject() {}
virtual QRectF boundingRect() const { return QRectF(); }
virtual void paint(QPainter *, const QStyleOptionGraphicsItem *, QWidget *) {}
};
void tst_QGraphicsObject::pos()
{
MyGraphicsObject object;
QSignalSpy xSpy(&object, SIGNAL(xChanged()));
QSignalSpy ySpy(&object, SIGNAL(yChanged()));
QVERIFY(object.pos() == QPointF(0, 0));
object.setPos(10, 10);
QCOMPARE(xSpy.count(), 1);
QCOMPARE(ySpy.count(), 1);
QVERIFY(object.pos() == QPointF(10,10));
object.setPos(10, 10);
QCOMPARE(xSpy.count(), 1);
QCOMPARE(ySpy.count(), 1);
object.setProperty("pos", QPointF(0, 0));
QCOMPARE(xSpy.count(), 2);
QCOMPARE(ySpy.count(), 2);
QVERIFY(object.property("pos") == QPointF(0,0));
object.setProperty("pos", QPointF(10, 0));
QCOMPARE(xSpy.count(), 3);
QCOMPARE(ySpy.count(), 2);
QVERIFY(object.property("pos") == QPointF(10,0));
object.setProperty("pos", QPointF(10, 10));
QCOMPARE(xSpy.count(), 3);
QCOMPARE(ySpy.count(), 3);
QVERIFY(object.property("pos") == QPointF(10, 10));
}
void tst_QGraphicsObject::x()
{
MyGraphicsObject object;
QSignalSpy xSpy(&object, SIGNAL(xChanged()));
QSignalSpy ySpy(&object, SIGNAL(yChanged()));
QVERIFY(object.pos() == QPointF(0, 0));
object.setX(10);
QCOMPARE(xSpy.count(), 1);
QCOMPARE(ySpy.count(), 0);
QVERIFY(object.pos() == QPointF(10, 0));
QVERIFY(object.x() == 10);
object.setX(10);
QCOMPARE(xSpy.count(), 1);
QCOMPARE(ySpy.count(), 0);
object.setProperty("x", 0);
QCOMPARE(xSpy.count(), 2);
QCOMPARE(ySpy.count(), 0);
QVERIFY(object.property("x") == 0);
}
void tst_QGraphicsObject::y()
{
MyGraphicsObject object;
QSignalSpy xSpy(&object, SIGNAL(xChanged()));
QSignalSpy ySpy(&object, SIGNAL(yChanged()));
QVERIFY(object.pos() == QPointF(0, 0));
object.setY(10);
QCOMPARE(xSpy.count(), 0);
QCOMPARE(ySpy.count(), 1);
QVERIFY(object.pos() == QPointF(0, 10));
QVERIFY(object.y() == 10);
object.setY(10);
QCOMPARE(xSpy.count(), 0);
QCOMPARE(ySpy.count(), 1);
object.setProperty("y", 0);
QCOMPARE(xSpy.count(), 0);
QCOMPARE(ySpy.count(), 2);
QVERIFY(object.property("y") == 0);
}
void tst_QGraphicsObject::z()
{
MyGraphicsObject object;
QSignalSpy zSpy(&object, SIGNAL(zChanged()));
QVERIFY(object.zValue() == 0);
object.setZValue(10);
QCOMPARE(zSpy.count(), 1);
QVERIFY(object.zValue() == 10);
object.setZValue(10);
QCOMPARE(zSpy.count(), 1);
object.setProperty("z", 0);
QCOMPARE(zSpy.count(), 2);
QVERIFY(object.property("z") == 0);
}
void tst_QGraphicsObject::opacity()
{
MyGraphicsObject object;
QSignalSpy spy(&object, SIGNAL(opacityChanged()));
QVERIFY(object.opacity() == 1.);
object.setOpacity(0);
QCOMPARE(spy.count(), 1);
QVERIFY(object.opacity() == 0.);
object.setOpacity(0);
QCOMPARE(spy.count(), 1);
object.setProperty("opacity", .5);
QCOMPARE(spy.count(), 2);
QVERIFY(object.property("opacity") == .5);
}
void tst_QGraphicsObject::enabled()
{
MyGraphicsObject object;
QSignalSpy spy(&object, SIGNAL(enabledChanged()));
QVERIFY(object.isEnabled() == true);
object.setEnabled(false);
QCOMPARE(spy.count(), 1);
QVERIFY(object.isEnabled() == false);
object.setEnabled(false);
QCOMPARE(spy.count(), 1);
object.setProperty("enabled", true);
QCOMPARE(spy.count(), 2);
QVERIFY(object.property("enabled") == true);
}
void tst_QGraphicsObject::visible()
{
MyGraphicsObject object;
QSignalSpy spy(&object, SIGNAL(visibleChanged()));
QVERIFY(object.isVisible() == true);
object.setVisible(false);
QCOMPARE(spy.count(), 1);
QVERIFY(object.isVisible() == false);
object.setVisible(false);
QCOMPARE(spy.count(), 1);
object.setProperty("visible", true);
QCOMPARE(spy.count(), 2);
QVERIFY(object.property("visible") == true);
}
class DeleteTester : public QGraphicsObject
{
public:
DeleteTester(bool *w, bool *pw, QGraphicsItem *parent = 0)
: QGraphicsObject(parent), wasDeleted(w), parentWasDeleted(pw)
{ }
~DeleteTester()
{
*wasDeleted = QObjectPrivate::get(this)->wasDeleted;
if (QGraphicsItem *p = parentItem()) {
if (QGraphicsObject *o = p->toGraphicsObject())
*parentWasDeleted = QObjectPrivate::get(o)->wasDeleted;
}
}
void paint(QPainter *, const QStyleOptionGraphicsItem *, QWidget * = 0)
{ }
QRectF boundingRect() const
{ return QRectF(); }
bool *wasDeleted;
bool *parentWasDeleted;
};
void tst_QGraphicsObject::deleted()
{
bool item1_parentWasDeleted = false;
bool item1_wasDeleted = false;
bool item2_parentWasDeleted = false;
bool item2_wasDeleted = false;
DeleteTester *item1 = new DeleteTester(&item1_wasDeleted, &item1_parentWasDeleted);
DeleteTester *item2 = new DeleteTester(&item2_wasDeleted, &item2_parentWasDeleted, item1);
delete item1;
QVERIFY(!item1_wasDeleted); // destructor not called yet
QVERIFY(!item1_parentWasDeleted); // no parent
QVERIFY(!item2_wasDeleted); // destructor not called yet
QVERIFY(item2_parentWasDeleted);
}
QTEST_MAIN(tst_QGraphicsObject)
#include "tst_qgraphicsobject.moc"