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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (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 either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@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();
+};
+
+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 );
+}
+
+QTEST_APPLESS_MAIN(tst_QPolygon)
+#include "tst_qpointarray.moc"