Index: Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Data.Test/GeneralHeightStructuresInputTest.cs
===================================================================
diff -u -r15a5390b22bbd15e777f7df088c61e2b05803723 -rc43715cf3e6dce0c427b10c4852d5ae54e6d668d
--- Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Data.Test/GeneralHeightStructuresInputTest.cs	(.../GeneralHeightStructuresInputTest.cs)	(revision 15a5390b22bbd15e777f7df088c61e2b05803723)
+++ Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Data.Test/GeneralHeightStructuresInputTest.cs	(.../GeneralHeightStructuresInputTest.cs)	(revision c43715cf3e6dce0c427b10c4852d5ae54e6d668d)
@@ -78,8 +78,10 @@
         }
 
         [Test]
+        [TestCase(-10)]
         [TestCase(0)]
         [TestCase(21)]
+        [TestCase(50)]
         public void N_ValueOutsideValidRegion_ThrowsArgumentOutOfRangeException(int value)
         {
             // Setup