263 lines
7.1 KiB
C++
263 lines
7.1 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the test suite of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** No Commercial Usage
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, 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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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**
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**
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**
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**
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**
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**
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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 <QtWidgets/QLayout>
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#include <QtGui/QPainter>
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static void processEvents()
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{
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QApplication::flush();
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QApplication::processEvents();
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QApplication::processEvents();
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}
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class UpdateWidget : public QWidget
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{
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public:
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UpdateWidget(int rows, int columns)
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: QWidget(0), rowCount(0), columnCount(0), opaqueChildren(false)
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{
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fill(rows, columns);
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}
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UpdateWidget(QWidget *parent = 0)
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: QWidget(parent), rowCount(0), columnCount(0), opaqueChildren(false) {}
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void fill(int rows, int columns)
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{
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if (rows == rowCount && columns == columnCount)
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return;
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delete layout();
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QGridLayout *layout = new QGridLayout;
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rowCount = rows;
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columnCount = columns;
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for (int row = 0; row < rowCount; ++row) {
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for (int column = 0; column < columnCount; ++column) {
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UpdateWidget *widget = new UpdateWidget;
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widget->setFixedSize(20, 20);
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layout->addWidget(widget, row, column);
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children.append(widget);
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}
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}
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setLayout(layout);
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adjustSize();
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QTest::qWait(250);
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processEvents();
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}
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void setOpaqueChildren(bool enable)
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{
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if (opaqueChildren != enable) {
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foreach (QWidget *w, children)
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w->setAttribute(Qt::WA_OpaquePaintEvent, enable);
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opaqueChildren = enable;
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processEvents();
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}
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}
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void paintEvent(QPaintEvent *)
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{
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static int color = Qt::black;
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QPainter painter(this);
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painter.fillRect(rect(), Qt::GlobalColor(color));
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if (++color > Qt::darkYellow)
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color = Qt::black;
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}
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QRegion updateRegion;
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QList<UpdateWidget*> children;
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int rowCount;
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int columnCount;
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bool opaqueChildren;
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};
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class tst_QWidget : public QObject
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{
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Q_OBJECT
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public slots:
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void initTestCase();
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void init();
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private slots:
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void update_data();
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void update();
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void updatePartial_data();
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void updatePartial();
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void updateComplex_data();
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void updateComplex();
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private:
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UpdateWidget widget;
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};
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void tst_QWidget::initTestCase()
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{
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widget.show();
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QTest::qWaitForWindowShown(&widget);
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QTest::qWait(300);
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processEvents();
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}
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void tst_QWidget::init()
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{
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QVERIFY(widget.isVisible());
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for (int i = 0; i < 3; ++i)
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processEvents();
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}
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void tst_QWidget::update_data()
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{
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QTest::addColumn<int>("rows");
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QTest::addColumn<int>("columns");
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QTest::addColumn<int>("numUpdates");
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QTest::addColumn<bool>("opaque");
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QTest::newRow("10x10x1 transparent") << 10 << 10 << 1 << false;
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QTest::newRow("10x10x10 transparent") << 10 << 10 << 10 << false;
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QTest::newRow("10x10x100 transparent") << 10 << 10 << 100 << false;
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QTest::newRow("10x10x1 opaque") << 10 << 10 << 1 << true;
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QTest::newRow("10x10x10 opaque") << 10 << 10 << 10 << true;
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QTest::newRow("10x10x100 opaque") << 10 << 10 << 100 << true;
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#ifndef Q_OS_SYMBIAN
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//These test cases cause stack overflow in QWidgetPrivate::paintSiblingsRecursive
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//see http://bugreports.qt.nokia.com/browse/QTBUG-8512
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//Symbian threads have a hard limit of 80kB user stack
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QTest::newRow("25x25x1 transparent ") << 25 << 25 << 1 << false;
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QTest::newRow("25x25x10 transparent") << 25 << 25 << 10 << false;
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QTest::newRow("25x25x100 transparent") << 25 << 25 << 100 << false;
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QTest::newRow("25x25x1 opaque") << 25 << 25 << 1 << true;
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QTest::newRow("25x25x10 opaque") << 25 << 25 << 10 << true;
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QTest::newRow("25x25x100 opaque") << 25 << 25 << 100 << true;
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#endif
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}
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void tst_QWidget::update()
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{
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QFETCH(int, rows);
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QFETCH(int, columns);
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QFETCH(int, numUpdates);
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QFETCH(bool, opaque);
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widget.fill(rows, columns);
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widget.setOpaqueChildren(opaque);
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QBENCHMARK {
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for (int i = 0; i < widget.children.size(); ++i) {
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for (int j = 0; j < numUpdates; ++j)
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widget.children.at(i)->update();
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QApplication::processEvents();
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}
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}
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QApplication::flush();
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}
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void tst_QWidget::updatePartial_data()
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{
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update_data();
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}
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void tst_QWidget::updatePartial()
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{
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QFETCH(int, rows);
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QFETCH(int, columns);
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QFETCH(int, numUpdates);
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QFETCH(bool, opaque);
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widget.fill(rows, columns);
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widget.setOpaqueChildren(opaque);
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QBENCHMARK {
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for (int i = 0; i < widget.children.size(); ++i) {
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QWidget *w = widget.children[i];
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const int x = w->width() / 2;
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const int y = w->height() / 2;
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for (int j = 0; j < numUpdates; ++j) {
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w->update(0, 0, x, y);
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w->update(x, 0, x, y);
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w->update(0, y, x, y);
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w->update(x, y, x, y);
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}
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QApplication::processEvents();
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}
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}
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}
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void tst_QWidget::updateComplex_data()
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{
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update_data();
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}
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void tst_QWidget::updateComplex()
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{
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QFETCH(int, rows);
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QFETCH(int, columns);
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QFETCH(int, numUpdates);
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QFETCH(bool, opaque);
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widget.fill(rows, columns);
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widget.setOpaqueChildren(opaque);
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QBENCHMARK {
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for (int i = 0; i < widget.children.size(); ++i) {
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QWidget *w = widget.children[i];
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const int x = w->width() / 2;
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const int y = w->height() / 2;
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QRegion r1(0, 0, x, y, QRegion::Ellipse);
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QRegion r2(x, y, x, y, QRegion::Ellipse);
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for (int j = 0; j < numUpdates; ++j) {
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w->update(r1);
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w->update(r2);
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}
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QApplication::processEvents();
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}
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}
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}
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QTEST_MAIN(tst_QWidget)
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#include "tst_qwidget.moc"
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