test case for file filter formatter

tests/src/gui/CMakeLists.txt

@@ -117,6 +117,7 @@ ADD_QGIS_TEST(zoomtest testqgsmaptoolzoom.cpp)
 
 #ADD_QGIS_TEST(histogramtest testqgsrasterhistogram.cpp)
 ADD_QGIS_TEST(projectionissues testprojectionissues.cpp)
+ADD_QGIS_TEST(qgsguitest testqgsgui.cpp)
 ADD_QGIS_TEST(scalecombobox testqgsscalecombobox.cpp)
 ADD_QGIS_TEST(dualviewtest testqgsdualview.cpp )
 ADD_QGIS_TEST(doublespinbox testqgsdoublespinbox.cpp)

tests/src/gui/testqgsgui.cpp

@@ -0,0 +1,36 @@
+/***************************************************************************
+    testqgsgui.cpp
+     --------------------------------------
+    Date                 : 26.1.2015
+    Copyright            : (C) 2015 Michael Kirk
+    Email                : michael at jackpine dot me
+ ***************************************************************************
+ *                                                                         *
+ *   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/QtTest>
+#include <qgisgui.h>
+
+class TestQgsGui : public QObject
+{
+    Q_OBJECT
+  private slots:
+    void createFileFilter();
+
+};
+
+void TestQgsGui::createFileFilter()
+{
+  QString expected = "FOO format (*.foo *.FOO)";
+  QString actual = QgisGui::createFileFilter_("foo");;
+
+  QCOMPARE( actual, expected );
+}
+
+QTEST_MAIN( TestQgsGui )
+#include "testqgsgui.moc"