Index: Ringtoets/Piping/test/Ringtoets.Piping.IO.Test/Readers/ReadPipingCalculationTest.cs
===================================================================
diff -u -rc1096d1261fc843ca6960897afeac1137e1ecd4c -r6ed40142f26dda106581e03da03fcf411fc0514d
--- Ringtoets/Piping/test/Ringtoets.Piping.IO.Test/Readers/ReadPipingCalculationTest.cs	(.../ReadPipingCalculationTest.cs)	(revision c1096d1261fc843ca6960897afeac1137e1ecd4c)
+++ Ringtoets/Piping/test/Ringtoets.Piping.IO.Test/Readers/ReadPipingCalculationTest.cs	(.../ReadPipingCalculationTest.cs)	(revision 6ed40142f26dda106581e03da03fcf411fc0514d)
@@ -47,17 +47,17 @@
 
             // Assert
             Assert.IsNull(readPipingCalculation.Name);
-            Assert.AreEqual(0.0, readPipingCalculation.AssessmentLevel);
+            Assert.IsNull(readPipingCalculation.AssessmentLevel);
             Assert.IsNull(readPipingCalculation.HydraulicBoundaryLocation);
             Assert.IsNull(readPipingCalculation.SurfaceLine);
-            Assert.AreEqual(0.0, readPipingCalculation.EntryPointL);
-            Assert.AreEqual(0.0, readPipingCalculation.ExitPointL);
+            Assert.IsNull(readPipingCalculation.EntryPointL);
+            Assert.IsNull(readPipingCalculation.ExitPointL);
             Assert.IsNull(readPipingCalculation.StochasticSoilModel);
             Assert.IsNull(readPipingCalculation.StochasticSoilProfile);
-            Assert.AreEqual(0.0, readPipingCalculation.PhreaticLevelExitMean);
-            Assert.AreEqual(0.0, readPipingCalculation.PhreaticLevelExitStandardDeviation);
-            Assert.AreEqual(0.0, readPipingCalculation.DampingFactorExitMean);
-            Assert.AreEqual(0.0, readPipingCalculation.DampingFactorExitStandardDeviation);
+            Assert.IsNull(readPipingCalculation.PhreaticLevelExitMean);
+            Assert.IsNull(readPipingCalculation.PhreaticLevelExitStandardDeviation);
+            Assert.IsNull(readPipingCalculation.DampingFactorExitMean);
+            Assert.IsNull(readPipingCalculation.DampingFactorExitStandardDeviation);
         }
 
         [Test]