Index: Application/Ringtoets/test/Application.Ringtoets.Storage.Test/Create/StructuresOutputCreateExtensionsTest.cs
===================================================================
diff -u -r4ad65cef966ec4b0e6f36b7a612aef4bdd088837 -r699aed8b7cadb16fa905b2e54c8174d0d5747b99
--- Application/Ringtoets/test/Application.Ringtoets.Storage.Test/Create/StructuresOutputCreateExtensionsTest.cs	(.../StructuresOutputCreateExtensionsTest.cs)	(revision 4ad65cef966ec4b0e6f36b7a612aef4bdd088837)
+++ Application/Ringtoets/test/Application.Ringtoets.Storage.Test/Create/StructuresOutputCreateExtensionsTest.cs	(.../StructuresOutputCreateExtensionsTest.cs)	(revision 699aed8b7cadb16fa905b2e54c8174d0d5747b99)
@@ -37,6 +37,17 @@
     internal class StructuresOutputCreateExtensionsTest
     {
         [Test]
+        public void Constructor_StructuresOutputNull_ThrowsArgumentNullException()
+        {
+            // Call
+            TestDelegate call = () => ((StructuresOutput) null).Create<TestStructureOutputEntity>();
+
+            // Assert
+            var exception = Assert.Throws<ArgumentNullException>(call);
+            Assert.AreEqual("structuresOutput", exception.ParamName);
+        }
+
+        [Test]
         public void Create_CalculationWithOutput_ReturnEntityWithOutput()
         {
             // Setup