Index: Application/Ringtoets/test/Application.Ringtoets.Storage.Test/Read/Piping/PipingSectionResultEntityReadExtensionsTest.cs
===================================================================
diff -u -rc0e8cafbdda9c9f6384005f573d885c0537e0b39 -re5cba69dfe6b2722f689752dc905f3372eb62472
--- Application/Ringtoets/test/Application.Ringtoets.Storage.Test/Read/Piping/PipingSectionResultEntityReadExtensionsTest.cs	(.../PipingSectionResultEntityReadExtensionsTest.cs)	(revision c0e8cafbdda9c9f6384005f573d885c0537e0b39)
+++ Application/Ringtoets/test/Application.Ringtoets.Storage.Test/Read/Piping/PipingSectionResultEntityReadExtensionsTest.cs	(.../PipingSectionResultEntityReadExtensionsTest.cs)	(revision e5cba69dfe6b2722f689752dc905f3372eb62472)
@@ -34,8 +34,20 @@
     public class PipingSectionResultEntityReadExtensionsTest
     {
         [Test]
-        public void Read_SectionResultIsNull_ThrowArgumentNullException()
+        public void Read_EntityNull_ThrowsArgumentNullException()
         {
+            // Call
+            TestDelegate call = () => ((PipingSectionResultEntity) null).Read(
+                new PipingFailureMechanismSectionResult(new TestFailureMechanismSection()));
+
+            // Assert
+            var exception = Assert.Throws<ArgumentNullException>(call);
+            Assert.AreEqual("entity", exception.ParamName);
+        }
+
+        [Test]
+        public void Read_SectionResultNull_ThrowsArgumentNullException()
+        {
             // Setup
             var entity = new PipingSectionResultEntity();