48e0c4df23
Change-Id: Ic804938fc352291d011800d21e549c10acac66fb Reviewed-by: Lars Knoll <lars.knoll@digia.com>
134 lines
4.6 KiB
C++
134 lines
4.6 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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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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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Digia. For licensing terms and
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** conditions see http://qt.digia.com/licensing. For further information
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** use the contact form at http://qt.digia.com/contact-us.
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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, Digia gives you certain additional
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** rights. These rights are described in the Digia 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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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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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 <QtTest/QtTest>
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#include <QtGui/qgraphicslinearlayout.h>
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#include <QtGui/qgraphicswidget.h>
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#include <QtGui/qgraphicsview.h>
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class tst_QGraphicsLinearLayout : public QObject
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{
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Q_OBJECT
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public:
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tst_QGraphicsLinearLayout() {}
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~tst_QGraphicsLinearLayout() {}
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private slots:
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void heightForWidth_data();
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void heightForWidth();
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};
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struct MySquareWidget : public QGraphicsWidget
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{
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MySquareWidget() {}
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virtual QSizeF sizeHint ( Qt::SizeHint which, const QSizeF & constraint = QSizeF() ) const
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{
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if (which != Qt::PreferredSize)
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return QGraphicsWidget::sizeHint(which, constraint);
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if (constraint.width() < 0)
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return QGraphicsWidget::sizeHint(which, constraint);
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return QSizeF(constraint.width(), constraint.width());
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}
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};
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void tst_QGraphicsLinearLayout::heightForWidth_data()
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{
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QTest::addColumn<bool>("hfw");
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QTest::addColumn<bool>("nested");
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QTest::newRow("hfw") << true << false;
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QTest::newRow("hfw, nested") << true << true;
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QTest::newRow("not hfw") << false << false;
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QTest::newRow("not hfw, nested") << false << true;
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}
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void tst_QGraphicsLinearLayout::heightForWidth()
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{
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QFETCH(bool, hfw);
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QFETCH(bool, nested);
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QGraphicsScene scene;
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QGraphicsWidget *form = new QGraphicsWidget;
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scene.addItem(form);
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QGraphicsLinearLayout *outerlayout = 0;
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if (nested) {
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outerlayout = new QGraphicsLinearLayout(form);
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for (int i = 0; i < 8; i++) {
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QGraphicsLinearLayout *layout = new QGraphicsLinearLayout(Qt::Vertical);
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outerlayout->addItem(layout);
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outerlayout = layout;
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}
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}
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QGraphicsLinearLayout *qlayout = 0;
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qlayout = new QGraphicsLinearLayout(Qt::Vertical);
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if (nested)
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outerlayout->addItem(qlayout);
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else
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form->setLayout(qlayout);
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MySquareWidget *widget = new MySquareWidget;
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for (int i = 0; i < 1; i++) {
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widget = new MySquareWidget;
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QSizePolicy sizepolicy = widget->sizePolicy();
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sizepolicy.setHeightForWidth(hfw);
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widget->setSizePolicy(sizepolicy);
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qlayout->addItem(widget);
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}
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// make sure only one iteration is done.
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// run with tst_QGraphicsLinearLayout.exe "heightForWidth" -tickcounter -iterations 6
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// this will iterate 6 times the whole test, (not only the benchmark)
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// which should reduce warmup time and give a realistic picture of the performance of
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// effectiveSizeHint()
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QSizeF constraint(hfw ? 100 : -1, -1);
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QBENCHMARK {
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(void)form->effectiveSizeHint(Qt::PreferredSize, constraint);
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}
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}
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QTEST_MAIN(tst_QGraphicsLinearLayout)
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#include "tst_qgraphicslinearlayout.moc"
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