Test Friday! QgsClipper test

Author: homann

tests/src/core/CMakeLists.txt

@@ -78,6 +78,7 @@ ENDMACRO (ADD_QGIS_TEST)
 #############################################################
 # Tests:
 
+ADD_QGIS_TEST(clippertest testqgsclipper.cpp)
 ADD_QGIS_TEST(distanceareatest testqgsdistancearea.cpp)
 ADD_QGIS_TEST(applicationtest testqgsapplication.cpp)
 ADD_QGIS_TEST(expressiontest testqgsexpression.cpp)

tests/src/core/testqgsclipper.cpp

@@ -0,0 +1,69 @@
+/***************************************************************************
+     testqgsclipper.cpp
+     --------------------------------------
+    Date                 : Tue 14 Aug 2012
+    Copyright            : (C) 2012 by Magnus Homann
+    Email                : magnus at homann dot se
+ ***************************************************************************
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ ***************************************************************************/
+#include <QtTest>
+#include <QFile>
+#include <QTextStream>
+#include <QObject>
+#include <QString>
+#include <QStringList>
+#include <qgsapplication.h>
+//header for class being tested
+#include <qgsclipper.h>
+#include <qgspoint.h>
+#include "qgslogger.h"
+
+class TestQgsClipper: public QObject
+{
+
+    Q_OBJECT;
+  private slots:
+    void initTestCase();// will be called before the first testfunction is executed.
+    void cleanupTestCase() {};// will be called after the last testfunction was executed.
+    void init() {};// will be called before each testfunction is executed.
+    void cleanup() {};// will be called after every testfunction.
+    void basic();
+};
+
+void TestQgsClipper::initTestCase()
+{
+  //
+  // Runs once before any tests are run
+  //
+  // init QGIS's paths - true means that all path will be inited from prefix
+  // QgsApplication::init();
+  // QgsApplication::initQgis();
+  // QgsApplication::showSettings();
+}
+
+void TestQgsClipper::basic()
+{
+  // CQgsClipper is static only
+  //QgsClipper snipsnip;
+
+  QPolygonF polygon;
+  polygon << QPointF(10.4, 20.5) << QPointF(20.2, 30.2);
+  
+  QgsRectangle clipRect(10, 10, 25, 30 );
+  
+  QgsClipper::trimPolygon( polygon, clipRect );
+  
+  QRectF bBox( polygon.boundingRect() );
+  QgsRectangle boundingRect( bBox.bottomLeft().x(), bBox.bottomLeft().y(), bBox.topRight().x(), bBox.topRight().y() );
+
+  QVERIFY( clipRect.contains( boundingRect ) );
+};
+
+QTEST_MAIN( TestQgsClipper )
+#include "moc_testqgsclipper.cxx"