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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.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <qtest.h>
#include <QtCore/qmetatype.h>
class tst_QGuiMetaType : public QObject
{
Q_OBJECT
public:
tst_QGuiMetaType();
virtual ~tst_QGuiMetaType();
private slots:
void constructGuiType_data();
void constructGuiType();
void constructGuiTypeCopy_data();
void constructGuiTypeCopy();
};
tst_QGuiMetaType::tst_QGuiMetaType()
{
}
tst_QGuiMetaType::~tst_QGuiMetaType()
{
}
void tst_QGuiMetaType::constructGuiType_data()
{
QTest::addColumn<int>("typeId");
for (int i = QMetaType::FirstGuiType; i <= QMetaType::LastGuiType; ++i)
QTest::newRow(QMetaType::typeName(i)) << i;
}
// Tests how fast QMetaType can default-construct and destroy a Qt GUI
// type. The purpose of this benchmark is to measure the overhead of
// using type id-based creation compared to creating the type directly
// (i.e. "T *t = new T(); delete t;").
void tst_QGuiMetaType::constructGuiType()
{
QFETCH(int, typeId);
QBENCHMARK {
for (int i = 0; i < 100000; ++i) {
void *data = QMetaType::construct(typeId, (void *)0);
QMetaType::destroy(typeId, data);
}
}
}
void tst_QGuiMetaType::constructGuiTypeCopy_data()
{
constructGuiType_data();
}
// Tests how fast QMetaType can copy-construct and destroy a Qt GUI
// type. The purpose of this benchmark is to measure the overhead of
// using type id-based creation compared to creating the type directly
// (i.e. "T *t = new T(other); delete t;").
void tst_QGuiMetaType::constructGuiTypeCopy()
{
QFETCH(int, typeId);
QVariant other(typeId, (void *)0);
const void *copy = other.constData();
QBENCHMARK {
for (int i = 0; i < 100000; ++i) {
void *data = QMetaType::construct(typeId, copy);
QMetaType::destroy(typeId, data);
}
}
}
QTEST_MAIN(tst_QGuiMetaType)
#include "tst_qguimetatype.moc"
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