Ajout test sur operator+ et operator- pour iterator

Testing/Code/Common/otbList.cxx

@@ -99,6 +99,19 @@ int otbList(int argc, char * argv[])
 	  ++iter;
 	}
     
+      // Testing operator+
+      iter = imageList->Begin();
+      index=0;
+      otbControlConditionTestMacro(imageList->GetNthElement(0) != iter.Get(),
+				   "Iterator != GetNthElement(0)");
+      otbControlConditionTestMacro(imageList->GetNthElement(1) != (iter+1).Get(),
+				   "Iterator+1 != GetNthElement(1)");
+      ++iter;
+      otbControlConditionTestMacro(imageList->GetNthElement(1) != iter.Get(),
+				   "Iterator != GetNthElement(1)");
+      otbControlConditionTestMacro(imageList->GetNthElement(0) != (iter-1).Get(),
+				   "Iterator-1 != GetNthElement(0)");
+      
       // Testing const iterator
       ImageListType::ConstIterator constIter = imageList->Begin();
       index = 0;