kwin/tests/test_xcb_wrapper.cpp

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/********************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (C) 2013 Martin Gräßlin <mgraesslin@kde.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*********************************************************************/
#include "testutils.h"
// KWin
#include "../xcbutils.h"
// Qt
#include <QApplication>
#include <QtTest/QtTest>
// xcb
#include <xcb/xcb.h>
using namespace KWin;
using namespace KWin::Xcb;
class TestXcbWrapper : public QObject
{
Q_OBJECT
private slots:
void init();
void cleanup();
void defaultCtor();
void normalCtor();
void copyCtorEmpty();
void copyCtorBeforeRetrieve();
void copyCtorAfterRetrieve();
void assignementEmpty();
void assignmentBeforeRetrieve();
void assignmentAfterRetrieve();
void discard();
private:
void testEmpty(WindowGeometry &geometry);
void testGeometry(WindowGeometry &geometry, const QRect &rect);
xcb_window_t m_testWindow;
};
void TestXcbWrapper::init()
{
m_testWindow = XCB_WINDOW_NONE;
}
void TestXcbWrapper::cleanup()
{
if (m_testWindow != XCB_WINDOW_NONE) {
xcb_destroy_window(connection(), m_testWindow);
}
}
void TestXcbWrapper::testEmpty(WindowGeometry &geometry)
{
QCOMPARE(geometry.window(), noneWindow());
QVERIFY(!geometry.data());
QCOMPARE(geometry.isNull(), true);
QCOMPARE(geometry.rect(), QRect());
QVERIFY(!geometry);
}
void TestXcbWrapper::testGeometry(WindowGeometry &geometry, const QRect &rect)
{
QCOMPARE(geometry.window(), m_testWindow);
// now lets retrieve some data
QCOMPARE(geometry.rect(), rect);
QVERIFY(geometry.isRetrieved());
QCOMPARE(geometry.isNull(), false);
QVERIFY(geometry);
QVERIFY(geometry.data());
QCOMPARE(geometry.data()->x, int16_t(rect.x()));
QCOMPARE(geometry.data()->y, int16_t(rect.y()));
QCOMPARE(geometry.data()->width, uint16_t(rect.width()));
QCOMPARE(geometry.data()->height, uint16_t(rect.height()));
}
void TestXcbWrapper::defaultCtor()
{
WindowGeometry geometry;
testEmpty(geometry);
QVERIFY(!geometry.isRetrieved());
}
void TestXcbWrapper::normalCtor()
{
m_testWindow = createWindow();
QVERIFY(m_testWindow != noneWindow());
WindowGeometry geometry(m_testWindow);
QVERIFY(!geometry.isRetrieved());
testGeometry(geometry, QRect(0, 0, 10, 10));
}
void TestXcbWrapper::copyCtorEmpty()
{
WindowGeometry geometry;
WindowGeometry other(geometry);
testEmpty(geometry);
QVERIFY(geometry.isRetrieved());
testEmpty(other);
QVERIFY(!other.isRetrieved());
}
void TestXcbWrapper::copyCtorBeforeRetrieve()
{
m_testWindow = createWindow();
QVERIFY(m_testWindow != noneWindow());
WindowGeometry geometry(m_testWindow);
QVERIFY(!geometry.isRetrieved());
WindowGeometry other(geometry);
testEmpty(geometry);
QVERIFY(geometry.isRetrieved());
QVERIFY(!other.isRetrieved());
testGeometry(other, QRect(0, 0, 10, 10));
}
void TestXcbWrapper::copyCtorAfterRetrieve()
{
m_testWindow = createWindow();
QVERIFY(m_testWindow != noneWindow());
WindowGeometry geometry(m_testWindow);
QVERIFY(geometry);
QVERIFY(geometry.isRetrieved());
QCOMPARE(geometry.rect(), QRect(0, 0, 10, 10));
WindowGeometry other(geometry);
testEmpty(geometry);
QVERIFY(geometry.isRetrieved());
QVERIFY(other.isRetrieved());
testGeometry(other, QRect(0, 0, 10, 10));
}
void TestXcbWrapper::assignementEmpty()
{
WindowGeometry geometry;
WindowGeometry other;
testEmpty(geometry);
testEmpty(other);
other = geometry;
QVERIFY(geometry.isRetrieved());
testEmpty(geometry);
testEmpty(other);
QVERIFY(!other.isRetrieved());
}
void TestXcbWrapper::assignmentBeforeRetrieve()
{
m_testWindow = createWindow();
QVERIFY(m_testWindow != noneWindow());
WindowGeometry geometry(m_testWindow);
WindowGeometry other = geometry;
QVERIFY(geometry.isRetrieved());
testEmpty(geometry);
QVERIFY(!other.isRetrieved());
testGeometry(other, QRect(0, 0, 10, 10));
other = WindowGeometry(m_testWindow);
QVERIFY(!other.isRetrieved());
QCOMPARE(other.window(), m_testWindow);
other = WindowGeometry();
testEmpty(geometry);
}
void TestXcbWrapper::assignmentAfterRetrieve()
{
m_testWindow = createWindow();
QVERIFY(m_testWindow != noneWindow());
WindowGeometry geometry(m_testWindow);
QVERIFY(geometry);
QVERIFY(geometry.isRetrieved());
WindowGeometry other = geometry;
testEmpty(geometry);
QVERIFY(other.isRetrieved());
testGeometry(other, QRect(0, 0, 10, 10));
other = WindowGeometry();
testEmpty(other);
}
void TestXcbWrapper::discard()
{
// discard of reply cannot be tested properly as we cannot check whether the reply has been discarded
// therefore it's more or less just a test to ensure that it doesn't crash and the code paths
// are taken.
WindowGeometry *geometry = new WindowGeometry();
delete geometry;
m_testWindow = createWindow();
geometry = new WindowGeometry(m_testWindow);
delete geometry;
geometry = new WindowGeometry(m_testWindow);
QVERIFY(geometry->data());
delete geometry;
}
KWIN_TEST_MAIN(TestXcbWrapper)
#include "test_xcb_wrapper.moc"