Index: test_classification.py
===================================================================
--- test_classification.py	(Revision 2689)
+++ test_classification.py	(Arbeitskopie)
@@ -75,17 +75,25 @@
         self.assertEqual(group.GetLabel(), "")
 
         # test constructor with label
-        group = ClassGroup("hallo")
+        group = ClassGroup(label="hallo")
         self.assertEqual(group.GetLabel(), "hallo")
 
         # test SetLabel()/GetLabel()
-        group = ClassGroup("welt")
+        group = ClassGroup(label="welt")
         group.SetLabel("hallo")
         self.assertEqual(group.GetLabel(), "hallo")
 
         group.SetLabel("")
         self.assertEqual(group.GetLabel(), "")
 
+        # test that _repr_ can create an identical object
+        group = ClassGroup(label="something")
+        newgroup = eval(group.__repr__())
+        #print group.__repr__(), ";",  newgroup.__repr__()
+        #newgroup=ClassGroup(ClassGroupProperties(Color(0, 0, 0), 1, 5, Transparent), 'something')
+        self.assertEqual(isinstance(newgroup,ClassGroup), True)
+        self.assertEqual(group, newgroup)
+
         # test Matches
         # Matches() is a virtual function...can't test it here
         #