qt5base-lts/tests/benchmarks/gui/kernel/qguivariant/tst_qguivariant.cpp
Volker Hilsheimer 1d3fe418e2 Replace deprecated APIs in metatype/variant benchmarks
Fix compiler warnings.

Change-Id: Id09b414f530a0d35c1a79e32112ff59185be2bc3
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>
2021-04-14 14:38:42 +02:00

101 lines
2.9 KiB
C++

/****************************************************************************
**
** 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.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
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**
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** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
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****************************************************************************/
#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) {
if (QMetaType metaType(i); metaType.isValid())
QTest::newRow(metaType.name()) << 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(QMetaType(typeId));
}
}
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((QMetaType(typeId)));
const void *copy = other.constData();
QBENCHMARK {
for (int i = 0; i < ITERATION_COUNT; ++i)
QVariant(QMetaType(typeId), copy);
}
}
QTEST_MAIN(tst_QGuiVariant)
#include "tst_qguivariant.moc"