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Diffstat (limited to 'tests/benchmarks/widgets/graphicsview/qgraphicsitem/tst_qgraphicsitem.cpp')
| -rw-r--r-- | tests/benchmarks/widgets/graphicsview/qgraphicsitem/tst_qgraphicsitem.cpp | 234 |
1 files changed, 234 insertions, 0 deletions
diff --git a/tests/benchmarks/widgets/graphicsview/qgraphicsitem/tst_qgraphicsitem.cpp b/tests/benchmarks/widgets/graphicsview/qgraphicsitem/tst_qgraphicsitem.cpp new file mode 100644 index 0000000000..56b34fff2a --- /dev/null +++ b/tests/benchmarks/widgets/graphicsview/qgraphicsitem/tst_qgraphicsitem.cpp @@ -0,0 +1,234 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the test suite module 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 <qtest.h> +#include <QGraphicsItem> +#include <QGraphicsScene> +#include <QGraphicsView> + +class tst_QGraphicsItem : public QObject +{ + Q_OBJECT + +public: + tst_QGraphicsItem(); + virtual ~tst_QGraphicsItem(); + +public slots: + void initTestCase(); + void init(); + void cleanup(); + +private slots: + void setParentItem(); + void setParentItem_deep(); + void setParentItem_deep_reversed(); + void deleteItemWithManyChildren(); + void setPos_data(); + void setPos(); + void setTransform_data(); + void setTransform(); + void rotate(); + void scale(); + void shear(); + void translate(); +}; + +tst_QGraphicsItem::tst_QGraphicsItem() +{ +} + +tst_QGraphicsItem::~tst_QGraphicsItem() +{ +} + +static inline void processEvents() +{ + QApplication::processEvents(); + QApplication::processEvents(); +} + +void tst_QGraphicsItem::initTestCase() +{ + processEvents(); + QTest::qWait(1500); + processEvents(); +} + +void tst_QGraphicsItem::init() +{ + processEvents(); +} + +void tst_QGraphicsItem::cleanup() +{ +} + +void tst_QGraphicsItem::setParentItem() +{ + QBENCHMARK { + QGraphicsRectItem rect; + QGraphicsRectItem *childRect = new QGraphicsRectItem; + childRect->setParentItem(&rect); + } +} + +void tst_QGraphicsItem::setParentItem_deep() +{ + QBENCHMARK { + QGraphicsRectItem rect; + QGraphicsRectItem *lastRect = ▭ + for (int i = 0; i < 10; ++i) { + QGraphicsRectItem *childRect = new QGraphicsRectItem; + childRect->setParentItem(lastRect); + lastRect = childRect; + } + QGraphicsItem *first = rect.childItems().first(); + first->setParentItem(0); + } +} + +void tst_QGraphicsItem::setParentItem_deep_reversed() +{ + QBENCHMARK { + QGraphicsRectItem *lastRect = new QGraphicsRectItem; + for (int i = 0; i < 100; ++i) { + QGraphicsRectItem *parentRect = new QGraphicsRectItem; + lastRect->setParentItem(parentRect); + lastRect = parentRect; + } + delete lastRect; + } +} + +void tst_QGraphicsItem::deleteItemWithManyChildren() +{ + QBENCHMARK { + QGraphicsRectItem *rect = new QGraphicsRectItem; + for (int i = 0; i < 1000; ++i) + new QGraphicsRectItem(rect); + delete rect; + } +} + +void tst_QGraphicsItem::setPos_data() +{ + QTest::addColumn<QPointF>("pos"); + + QTest::newRow("0, 0") << QPointF(0, 0); + QTest::newRow("10, 10") << QPointF(10, 10); + QTest::newRow("-10, -10") << QPointF(-10, -10); +} + +void tst_QGraphicsItem::setPos() +{ + QFETCH(QPointF, pos); + + QGraphicsScene scene; + QGraphicsRectItem *rect = scene.addRect(QRectF(0, 0, 100, 100)); + processEvents(); + + QBENCHMARK { + rect->setPos(pos); + } +} + +void tst_QGraphicsItem::setTransform_data() +{ + QTest::addColumn<QTransform>("transform"); + + QTest::newRow("rotate 45z") << QTransform().rotate(45); + QTest::newRow("scale 2x2") << QTransform().scale(2, 2); + QTest::newRow("translate 100, 100") << QTransform().translate(100, 100); + QTest::newRow("rotate 45x 45y 45z") << QTransform().rotate(45, Qt::XAxis) + .rotate(45, Qt::YAxis).rotate(45, Qt::ZAxis); +} + +void tst_QGraphicsItem::setTransform() +{ + QFETCH(QTransform, transform); + + QGraphicsScene scene; + QGraphicsRectItem *item = scene.addRect(QRectF(0, 0, 100, 100)); + processEvents(); + + QBENCHMARK { + item->setTransform(transform); + } +} + +void tst_QGraphicsItem::rotate() +{ + QGraphicsScene scene; + QGraphicsItem *item = scene.addRect(QRectF(0, 0, 100, 100)); + processEvents(); + + const QTransform rotate(QTransform().rotate(45)); + QBENCHMARK { + item->setTransform(rotate, true); + } +} + +void tst_QGraphicsItem::scale() +{ + QGraphicsScene scene; + QGraphicsItem *item = scene.addRect(QRectF(0, 0, 100, 100)); + processEvents(); + + const QTransform scale(QTransform::fromScale(2, 2)); + QBENCHMARK { + item->setTransform(scale, true); + } +} + +void tst_QGraphicsItem::shear() +{ + QGraphicsScene scene; + QGraphicsItem *item = scene.addRect(QRectF(0, 0, 100, 100)); + processEvents(); + + const QTransform shear = QTransform().shear(1.5, 1.5); + QBENCHMARK { + item->setTransform(shear, true); + } +} + +void tst_QGraphicsItem::translate() +{ + QGraphicsScene scene; + QGraphicsItem *item = scene.addRect(QRectF(0, 0, 100, 100)); + processEvents(); + + const QTransform translate = QTransform::fromTranslate(100, 100); + QBENCHMARK { + item->setTransform(translate, true); + } +} + +QTEST_MAIN(tst_QGraphicsItem) +#include "tst_qgraphicsitem.moc" |