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Diffstat (limited to 'tests/auto/qpolygon/tst_qpolygon.cpp')
-rw-r--r-- | tests/auto/qpolygon/tst_qpolygon.cpp | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/tests/auto/qpolygon/tst_qpolygon.cpp b/tests/auto/qpolygon/tst_qpolygon.cpp new file mode 100644 index 0000000000..47a0e5803e --- /dev/null +++ b/tests/auto/qpolygon/tst_qpolygon.cpp @@ -0,0 +1,105 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the test suite of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + + +#include <QtTest/QtTest> + +#include <qpolygon.h> +#include <qpainterpath.h> +#include <math.h> + +#include <qpainter.h> +#include <qdialog.h> + + + +//TESTED_CLASS= +//TESTED_FILES=gui/painting/qpolygon.h gui/painting/qpolygon.cpp + +class tst_QPolygon : public QObject +{ + Q_OBJECT + +public: + tst_QPolygon(); + +private slots: + void makeEllipse(); + void swap(); +}; + +tst_QPolygon::tst_QPolygon() +{ +} + +void tst_QPolygon::makeEllipse() +{ + // create an ellipse with R1 = R2 = R, i.e. a circle + QPolygon pa; + const int R = 50; // radius + QPainterPath path; + path.addEllipse(0, 0, 2*R, 2*R); + pa = path.toSubpathPolygons().at(0).toPolygon(); + + int i; + // make sure that all points are R+-1 away from the center + bool err = FALSE; + for (i = 1; i < pa.size(); i++) { + QPoint p = pa.at( i ); + double r = sqrt( pow( double(p.x() - R), 2.0 ) + pow( double(p.y() - R), 2.0 ) ); + // ### too strict ? at least from visual inspection it looks + // quite odd around the main axes. 2.0 passes easily. + err |= ( qAbs( r - double(R) ) > 2.0 ); + } + QVERIFY( !err ); +} + +void tst_QPolygon::swap() +{ + QPolygon p1(QVector<QPoint>() << QPoint(0,0) << QPoint(10,10) << QPoint(-10,10)); + QPolygon p2(QVector<QPoint>() << QPoint(0,0) << QPoint( 0,10) << QPoint( 10,10) << QPoint(10,0)); + p1.swap(p2); + QCOMPARE(p1.count(),4); + QCOMPARE(p2.count(),3); +} + +QTEST_APPLESS_MAIN(tst_QPolygon) +#include "tst_qpolygon.moc" |