Index: Ringtoets/ClosingStructures/test/Ringtoets.ClosingStructures.Data.Test/ClosingStructuresInputTest.cs
===================================================================
diff -u -r95f4219df99ef1be043c593472634a48c8f76fd8 -r88e625c7d47b0efd2a5ea8ea118e524c8f8e36ca
--- Ringtoets/ClosingStructures/test/Ringtoets.ClosingStructures.Data.Test/ClosingStructuresInputTest.cs	(.../ClosingStructuresInputTest.cs)	(revision 95f4219df99ef1be043c593472634a48c8f76fd8)
+++ Ringtoets/ClosingStructures/test/Ringtoets.ClosingStructures.Data.Test/ClosingStructuresInputTest.cs	(.../ClosingStructuresInputTest.cs)	(revision 88e625c7d47b0efd2a5ea8ea118e524c8f8e36ca)
@@ -246,6 +246,9 @@
         [TestCase(360.05)]
         [TestCase(-0.005)]
         [TestCase(-23)]
+        [TestCase(double.NaN)]
+        [TestCase(double.PositiveInfinity)]
+        [TestCase(double.NegativeInfinity)]
         public void Properties_StructureNormalOrientationInValidValues_ThrowsArgumentOutOfRangeException(double invalidValue)
         {
             // Setup
@@ -255,6 +258,8 @@
             TestDelegate call = () => input.StructureNormalOrientation = (RoundedDouble) invalidValue;
 
             // Assert
+            string paramName = Assert.Throws<ArgumentOutOfRangeException>(call).ParamName;
+            Assert.AreEqual("value", paramName);
             TestHelper.AssertThrowsArgumentExceptionAndTestMessage<ArgumentOutOfRangeException>(call, "De waarde voor de oriëntatie moet in het bereik tussen [0, 360] graden liggen.");
         }