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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** 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 The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/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 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtTest/QtTest>
#include <QDial>
class tst_QDial : public QObject
{
Q_OBJECT
public:
tst_QDial();
private slots:
void getSetCheck();
void valueChanged();
void sliderMoved();
void wrappingCheck();
};
// Testing get/set functions
void tst_QDial::getSetCheck()
{
QDial obj1;
// bool QDial::notchesVisible()
// void QDial::setNotchesVisible(bool)
obj1.setNotchesVisible(false);
QCOMPARE(false, obj1.notchesVisible());
obj1.setNotchesVisible(true);
QCOMPARE(true, obj1.notchesVisible());
// bool QDial::wrapping()
// void QDial::setWrapping(bool)
obj1.setWrapping(false);
QCOMPARE(false, obj1.wrapping());
obj1.setWrapping(true);
QCOMPARE(true, obj1.wrapping());
}
tst_QDial::tst_QDial()
{
}
void tst_QDial::valueChanged()
{
QDial dial;
dial.setMinimum(0);
dial.setMaximum(100);
QSignalSpy spy(&dial, SIGNAL(valueChanged(int)));
dial.setValue(50);
QCOMPARE(spy.count(), 1);
spy.clear();
dial.setValue(25);
QCOMPARE(spy.count(), 1);
spy.clear();
// repeat!
dial.setValue(25);
QCOMPARE(spy.count(), 0);
}
void tst_QDial::sliderMoved()
{
//this tests that when dragging the arrow that the sliderMoved signal is emitted
//even if tracking is set to false
QDial dial;
dial.setTracking(false);
dial.setMinimum(0);
dial.setMaximum(100);
dial.show();
QPoint init(dial.width()/4, dial.height()/2);
QMouseEvent pressevent(QEvent::MouseButtonPress, init,
Qt::LeftButton, Qt::LeftButton, 0);
qApp->sendEvent(&dial, &pressevent);
QSignalSpy sliderspy(&dial, SIGNAL(sliderMoved(int)));
QSignalSpy valuespy(&dial, SIGNAL(valueChanged(int)));
{ //move on top of the slider
init = QPoint(dial.width()/2, dial.height()/4);
QMouseEvent moveevent(QEvent::MouseMove, init,
Qt::LeftButton, Qt::LeftButton, 0);
qApp->sendEvent(&dial, &moveevent);
QCOMPARE( sliderspy.count(), 1);
QCOMPARE( valuespy.count(), 0);
}
{ //move on the right of the slider
init = QPoint(dial.width()*3/4, dial.height()/2);
QMouseEvent moveevent(QEvent::MouseMove, init,
Qt::LeftButton, Qt::LeftButton, 0);
qApp->sendEvent(&dial, &moveevent);
QCOMPARE( sliderspy.count(), 2);
QCOMPARE( valuespy.count(), 0);
}
QMouseEvent releaseevent(QEvent::MouseButtonRelease, init,
Qt::LeftButton, Qt::LeftButton, 0);
qApp->sendEvent(&dial, &releaseevent);
QCOMPARE( valuespy.count(), 1); // valuechanged signal should be called at this point
}
void tst_QDial::wrappingCheck()
{
//This tests if dial will wrap past the maximum value back to the minimum
//and vice versa when changing the value with a keypress
QDial dial;
dial.setMinimum(0);
dial.setMaximum(100);
dial.setSingleStep(1);
dial.setWrapping(true);
dial.setValue(99);
dial.show();
{ //set value to maximum but do not wrap
QTest::keyPress(&dial, Qt::Key_Up);
QCOMPARE( dial.value(), 100);
}
{ //step up once more and wrap clockwise to minimum + 1
QTest::keyPress(&dial, Qt::Key_Up);
QCOMPARE( dial.value(), 1);
}
{ //step down once, and wrap anti-clockwise to minimum, then again to maximum - 1
QTest::keyPress(&dial, Qt::Key_Down);
QCOMPARE( dial.value(), 0);
QTest::keyPress(&dial, Qt::Key_Down);
QCOMPARE( dial.value(), 99);
}
{ //when wrapping property is false no wrapping will occur
dial.setWrapping(false);
dial.setValue(100);
QTest::keyPress(&dial, Qt::Key_Up);
QCOMPARE( dial.value(), 100);
dial.setValue(0);
QTest::keyPress(&dial, Qt::Key_Down);
QCOMPARE( dial.value(), 0);
}
{ //When the step is really big or small, wrapping should still behave
dial.setWrapping(true);
dial.setValue(dial.minimum());
dial.setSingleStep(305);
QTest::keyPress(&dial, Qt::Key_Up);
QCOMPARE( dial.value(), 5);
dial.setValue(dial.minimum());
QTest::keyPress(&dial, Qt::Key_Down);
QCOMPARE( dial.value(), 95);
dial.setMinimum(-30);
dial.setMaximum(-4);
dial.setSingleStep(200);
dial.setValue(dial.minimum());
QTest::keyPress(&dial, Qt::Key_Down);
QCOMPARE( dial.value(), -22);
}
}
QTEST_MAIN(tst_QDial)
#include "tst_qdial.moc"
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