Index: Ringtoets/Piping/test/Ringtoets.Piping.Data.Test/PipingCalculationTest.cs
===================================================================
diff -u -r8c60e937f4b8009fea80f3702879e100fe03b63f -r4af59f05cb6ced6464d51c8dff8cb0b8bfca8edd
--- Ringtoets/Piping/test/Ringtoets.Piping.Data.Test/PipingCalculationTest.cs	(.../PipingCalculationTest.cs)	(revision 8c60e937f4b8009fea80f3702879e100fe03b63f)
+++ Ringtoets/Piping/test/Ringtoets.Piping.Data.Test/PipingCalculationTest.cs	(.../PipingCalculationTest.cs)	(revision 4af59f05cb6ced6464d51c8dff8cb0b8bfca8edd)
@@ -254,5 +254,19 @@
             // Assert
             Assert.IsNaN(calculation.InputParameters.AssessmentLevel);
         }
+
+        [Test]
+        public void Input_Always_ReturnsInputParamaters()
+        {
+            // Setup
+            var calculation = new PipingCalculation(new GeneralPipingInput(), new SemiProbabilisticPipingInput());
+            var inputParameters = calculation.InputParameters;
+
+            // Call
+            var input = calculation.Input;
+
+            // Assert
+            Assert.AreEqual(inputParameters, input);
+        }
     }
 }
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