Index: dam engine/trunk/src/Deltares.DamEngine.Calculators.Tests/DamPipingSellmeijer4ForcesTests.cs
===================================================================
diff -u -r624 -r626
--- dam engine/trunk/src/Deltares.DamEngine.Calculators.Tests/DamPipingSellmeijer4ForcesTests.cs	(.../DamPipingSellmeijer4ForcesTests.cs)	(revision 624)
+++ dam engine/trunk/src/Deltares.DamEngine.Calculators.Tests/DamPipingSellmeijer4ForcesTests.cs	(.../DamPipingSellmeijer4ForcesTests.cs)	(revision 626)
@@ -185,7 +185,7 @@
         [Test]
         [ExpectedException(typeof(NoNullAllowedException), ExpectedMessage = "Geen invoer object gedefinieerd voor Sellmeijer 4 Krachten")]
         [SetUICulture("nl-NL")]
-        public void TestLanguageNLThrowsExceptionWhenInputIsNull()
+        public void TestLanguageNLThrowsExceptionInExecuteWhenInputIsNull()
         {
             var kernelWrapper = new DamPipingSellmeijer4ForcesKernelWrapper();
             List<LogMessage> messages;
@@ -195,7 +195,7 @@
         [Test]
         [ExpectedException(typeof(NoNullAllowedException), ExpectedMessage = "No input object defined for Sellmeijer 4 Forces")]
         [SetUICulture("en-US")]
-        public void TestLanguageENThrowsExceptionWhenInputIsNull()
+        public void TestLanguageENThrowsExceptionInExecuteWhenInputIsNull()
         {
             var kernelWrapper = new DamPipingSellmeijer4ForcesKernelWrapper();
             List<LogMessage> messages;
@@ -205,13 +205,23 @@
         [Test]
         [ExpectedException(typeof(NoNullAllowedException), ExpectedMessage = "Geen uitvoer object gedefinieerd voor Sellmeijer 4 Krachten")]
         [SetUICulture("nl-NL")]
-        public void TestThrowsExceptionWhenOutputIsNull()
+        public void TestThrowsExceptionInPostProcessWhenOutputIsNull()
         {
             var kernelWrapper = new DamPipingSellmeijer4ForcesKernelWrapper();
             DesignResult result;
-            kernelWrapper.PostProcess(null, null, out result);
+            kernelWrapper.PostProcess(new DamKernelInput(), null, out result);
         }
 
+        [Test]
+        [ExpectedException(typeof(NoNullAllowedException), ExpectedMessage = "Geen invoer object gedefinieerd voor Sellmeijer 4 Krachten")]
+        [SetUICulture("nl-NL")]
+        public void TestThrowsExceptionInPostProcessWhenInputIsNull()
+        {
+            var kernelWrapper = new DamPipingSellmeijer4ForcesKernelWrapper();
+            DesignResult result;
+            kernelWrapper.PostProcess(null, new DamPipingSellmeijer4ForcesOutput(), out result);
+        }
+
         public static SoilProfile1D CreatePipingSellmeijerProfileWithOneSandlayer()
         {
             SoilProfile1D soilProfile1D = new SoilProfile1D();