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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 <qtest.h>
#include <QtCore/qvariant.h>
#define ITERATION_COUNT 1e5
class tst_QGuiVariant : public QObject
{
Q_OBJECT
public:
tst_QGuiVariant();
virtual ~tst_QGuiVariant();
private slots:
void createGuiType_data();
void createGuiType();
void createGuiTypeCopy_data();
void createGuiTypeCopy();
};
tst_QGuiVariant::tst_QGuiVariant()
{
}
tst_QGuiVariant::~tst_QGuiVariant()
{
}
void tst_QGuiVariant::createGuiType_data()
{
QTest::addColumn<int>("typeId");
for (int i = QMetaType::FirstGuiType; i <= QMetaType::LastGuiType; ++i)
QTest::newRow(QMetaType::typeName(i)) << i;
}
// Tests how fast a Qt GUI type can be default-constructed by a
// QVariant. The purpose of this benchmark is to measure the overhead
// of creating (and destroying) a QVariant compared to creating the
// type directly.
void tst_QGuiVariant::createGuiType()
{
QFETCH(int, typeId);
QBENCHMARK {
for (int i = 0; i < ITERATION_COUNT; ++i)
QVariant(typeId, (void *)0);
}
}
void tst_QGuiVariant::createGuiTypeCopy_data()
{
createGuiType_data();
}
// Tests how fast a Qt GUI type can be copy-constructed by a
// QVariant. The purpose of this benchmark is to measure the overhead
// of creating (and destroying) a QVariant compared to creating the
// type directly.
void tst_QGuiVariant::createGuiTypeCopy()
{
QFETCH(int, typeId);
QVariant other(typeId, (void *)0);
const void *copy = other.constData();
QBENCHMARK {
for (int i = 0; i < ITERATION_COUNT; ++i)
QVariant(typeId, copy);
}
}
QTEST_MAIN(tst_QGuiVariant)
#include "tst_qguivariant.moc"
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