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93 lines
2.4 KiB
C++
93 lines
2.4 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Copyright (C) 2016 Ivailo Monev
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**
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** This file is part of the test suite of the Katie Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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**
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** GNU Lesser General Public License Usage
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** This file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <qtest.h>
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#include <QtCore/qvariant.h>
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#define ITERATION_COUNT 1e5
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class tst_QGuiVariant : public QObject
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{
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Q_OBJECT
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public:
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tst_QGuiVariant();
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virtual ~tst_QGuiVariant();
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private slots:
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void createGuiType_data();
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void createGuiType();
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void createGuiTypeCopy_data();
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void createGuiTypeCopy();
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};
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tst_QGuiVariant::tst_QGuiVariant()
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{
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}
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tst_QGuiVariant::~tst_QGuiVariant()
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{
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}
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void tst_QGuiVariant::createGuiType_data()
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{
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QTest::addColumn<int>("typeId");
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for (int i = QMetaType::FirstGuiType; i <= QMetaType::LastGuiType; ++i) {
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QTest::newRow(QMetaType::typeName(i)) << i;
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}
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}
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// Tests how fast a Qt GUI type can be default-constructed by a
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// QVariant. The purpose of this benchmark is to measure the overhead
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// of creating (and destroying) a QVariant compared to creating the
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// type directly.
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void tst_QGuiVariant::createGuiType()
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{
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QFETCH(int, typeId);
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QBENCHMARK {
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for (int i = 0; i < ITERATION_COUNT; ++i)
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QVariant(typeId, (void *)0);
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}
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}
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void tst_QGuiVariant::createGuiTypeCopy_data()
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{
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createGuiType_data();
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}
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// Tests how fast a Qt GUI type can be copy-constructed by a
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// QVariant. The purpose of this benchmark is to measure the overhead
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// of creating (and destroying) a QVariant compared to creating the
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// type directly.
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void tst_QGuiVariant::createGuiTypeCopy()
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{
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QFETCH(int, typeId);
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QVariant other(typeId, (void *)0);
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const void *copy = other.constData();
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QBENCHMARK {
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for (int i = 0; i < ITERATION_COUNT; ++i)
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QVariant(typeId, copy);
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}
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}
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QTEST_MAIN(tst_QGuiVariant)
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#include "moc_tst_qguivariant.cpp"
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