Index: Ringtoets/DuneErosion/test/Ringtoets.DuneErosion.Service.Test/DuneErosionBoundaryCalculationServiceTest.cs
===================================================================
diff -u -rc60e4a04488fbe3a60d9c2c67c8a687093100775 -r27bbccd73d24f6aedcb58d209662b1fe224d2aaa
--- Ringtoets/DuneErosion/test/Ringtoets.DuneErosion.Service.Test/DuneErosionBoundaryCalculationServiceTest.cs	(.../DuneErosionBoundaryCalculationServiceTest.cs)	(revision c60e4a04488fbe3a60d9c2c67c8a687093100775)
+++ Ringtoets/DuneErosion/test/Ringtoets.DuneErosion.Service.Test/DuneErosionBoundaryCalculationServiceTest.cs	(.../DuneErosionBoundaryCalculationServiceTest.cs)	(revision 27bbccd73d24f6aedcb58d209662b1fe224d2aaa)
@@ -46,6 +46,36 @@
         private static readonly string validFilePath = Path.Combine(testDataPath, "HRD dutch coast south.sqlite");
 
         [Test]
+        public void Calculate_DuneLocationNull_ThrowArgumentNullException()
+        {
+            // Call
+            TestDelegate test = () => new DuneErosionBoundaryCalculationService().Calculate(null,
+                                                                                            new DuneErosionFailureMechanism(),
+                                                                                            "1",
+                                                                                            1,
+                                                                                            validFilePath);
+
+            // Assert
+            var exception = Assert.Throws<ArgumentNullException>(test);
+            Assert.AreEqual("duneLocation", exception.ParamName);
+        }
+
+        [Test]
+        public void Calculate_FailureMechanismNull_ThrowArgumentNullException()
+        {
+            // Call
+            TestDelegate test = () => new DuneErosionBoundaryCalculationService().Calculate(new TestDuneLocation(), 
+                                                                                            null,
+                                                                                            "1",
+                                                                                            1,
+                                                                                            validFilePath);
+
+            // Assert
+            var exception = Assert.Throws<ArgumentNullException>(test);
+            Assert.AreEqual("failureMechanism", exception.ParamName);
+        }
+
+        [Test]
         public void Calculate_WithZeroContributionForFailureMechanism_LogErrorAndThrowException()
         {
             // Setup