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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** 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 https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtTest/QtTest>
#include <QtCore/qcoreapplication.h>
#include <QtCore/qcoreevent.h>
class tst_QEvent : public QObject
{
Q_OBJECT
public:
tst_QEvent();
~tst_QEvent();
private slots:
void registerEventType_data();
void registerEventType();
void exhaustEventTypeRegistration(); // keep behind registerEventType() test
private:
bool registerEventTypeSucceeded; // track success of registerEventType for use by exhaustEventTypeRegistration()
};
tst_QEvent::tst_QEvent()
: registerEventTypeSucceeded(true)
{ }
tst_QEvent::~tst_QEvent()
{ }
void tst_QEvent::registerEventType_data()
{
QTest::addColumn<int>("hint");
QTest::addColumn<int>("expected");
// default argument
QTest::newRow("default") << -1 << int(QEvent::MaxUser);
// hint not valid
QTest::newRow("User-1") << int(QEvent::User - 1) << int(QEvent::MaxUser - 1);
// hint not valid II
QTest::newRow("MaxUser+1") << int(QEvent::MaxUser + 1) << int(QEvent::MaxUser - 2);
// hint valid, but already taken
QTest::newRow("MaxUser-1") << int(QEvent::MaxUser - 1) << int(QEvent::MaxUser - 3);
// hint valid, but not taken
QTest::newRow("User + 1000") << int(QEvent::User + 1000) << int(QEvent::User + 1000);
}
void tst_QEvent::registerEventType()
{
const bool oldRegisterEventTypeSucceeded = registerEventTypeSucceeded;
registerEventTypeSucceeded = false;
QFETCH(int, hint);
QFETCH(int, expected);
QCOMPARE(QEvent::registerEventType(hint), expected);
registerEventTypeSucceeded = oldRegisterEventTypeSucceeded;
}
void tst_QEvent::exhaustEventTypeRegistration()
{
if (!registerEventTypeSucceeded)
QSKIP("requires the previous test (registerEventType) to have finished successfully");
int i = QEvent::User;
int result;
while ((result = QEvent::registerEventType(i)) == i)
++i;
QCOMPARE(i, int(QEvent::User + 1000));
QCOMPARE(result, int(QEvent::MaxUser - 4));
i = QEvent::User + 1001;
while ((result = QEvent::registerEventType(i)) == i)
++i;
QCOMPARE(result, -1);
QCOMPARE(i, int(QEvent::MaxUser - 4));
}
QTEST_MAIN(tst_QEvent)
#include "tst_qevent.moc"
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