Index: Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Data.Test/HeightStructuresInputTest.cs
===================================================================
diff -u -r6954e174ae758a8ef11bfdfce0da0aa135460fb6 -r88e625c7d47b0efd2a5ea8ea118e524c8f8e36ca
--- Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Data.Test/HeightStructuresInputTest.cs	(.../HeightStructuresInputTest.cs)	(revision 6954e174ae758a8ef11bfdfce0da0aa135460fb6)
+++ Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Data.Test/HeightStructuresInputTest.cs	(.../HeightStructuresInputTest.cs)	(revision 88e625c7d47b0efd2a5ea8ea118e524c8f8e36ca)
@@ -178,6 +178,9 @@
         [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
@@ -187,6 +190,8 @@
             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.");
         }