debug of tests on WIN (images)

[modules/hydro.git] / src / HYDRO_tests / test_HYDROData_Image.cxx

diff --git a/src/HYDRO_tests/test_HYDROData_Image.cxx b/src/HYDRO_tests/test_HYDROData_Image.cxx
index ddeeeb87193851436a5a3e33b695b811eb95fd73..4ab09f269524937de54409ab8dda9318b543d2fd 100644 (file)
--- a/src/HYDRO_tests/test_HYDROData_Image.cxx
+++ b/src/HYDRO_tests/test_HYDROData_Image.cxx
@@ -20,7 +20,11 @@
 
 #include <HYDROData_Document.h>
 #include <HYDROData_Image.h>
+#include <TestViewer.h>
 #include <QPainter>
+#include <QImage>
+
+extern QString REF_DATA_PATH;
 
 static QImage TestImage() {
   QImage aPic(50, 40, QImage::Format_RGB32);
@@ -164,3 +168,13 @@ void test_HYDROData_Image::testCopy()
 
   aDoc->Close();
 }
+
+void test_HYDROData_Image::testDiff()
+{
+  QImage im1, im2;
+  im1.load( REF_DATA_PATH + "/LandCover_Triangles.png" );
+  im2.load( REF_DATA_PATH + "/LandCover_Triangles_Split.png" );
+
+  QImage im3 = TestViewer::diff( im1, im2 );
+  CPPUNIT_ASSERT_IMAGES3( &im3, "diff_image", false );
+}