Index: DamEngine/trunk/src/Deltares.DamEngine.Calculators/KernelWrappers/DamWbiMacroStabilityInwards/DamWbiMacroStabilityInput.cs
===================================================================
diff -u -r1901 -r1909
--- DamEngine/trunk/src/Deltares.DamEngine.Calculators/KernelWrappers/DamWbiMacroStabilityInwards/DamWbiMacroStabilityInput.cs	(.../DamWbiMacroStabilityInput.cs)	(revision 1901)
+++ DamEngine/trunk/src/Deltares.DamEngine.Calculators/KernelWrappers/DamWbiMacroStabilityInwards/DamWbiMacroStabilityInput.cs	(.../DamWbiMacroStabilityInput.cs)	(revision 1909)
@@ -4,7 +4,8 @@
 {
     public class DamWbiMacroStabilityInput : IKernelDataInput
     {
-        //ToDo Not clear yet what input must be provided. TmpWbiMacroIn is used for test, replace later by actual input.
+        //ToDo MWDAM-1353: Not clear yet what input must be provided. TmpWbiMacroIn is used for test, replace later by actual input.
+        //probably something like FailureMechanismParametersMStab
         public double TmpWbiMacroIn { get; set; }
     }
 }
Index: DamEngine/trunk/src/Deltares.DamEngine.Calculators/KernelWrappers/DamWbiMacroStabilityInwards/DamWbiMacroStabilityInwardsKernelWrapper.cs
===================================================================
diff -u -r1901 -r1909
--- DamEngine/trunk/src/Deltares.DamEngine.Calculators/KernelWrappers/DamWbiMacroStabilityInwards/DamWbiMacroStabilityInwardsKernelWrapper.cs	(.../DamWbiMacroStabilityInwardsKernelWrapper.cs)	(revision 1901)
+++ DamEngine/trunk/src/Deltares.DamEngine.Calculators/KernelWrappers/DamWbiMacroStabilityInwards/DamWbiMacroStabilityInwardsKernelWrapper.cs	(.../DamWbiMacroStabilityInwardsKernelWrapper.cs)	(revision 1909)
@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.Data;
+using System.Xml.Linq;
 using Deltares.DamEngine.Calculators.DikesDesign;
 using Deltares.DamEngine.Calculators.KernelWrappers.Common;
 using Deltares.DamEngine.Calculators.KernelWrappers.Interfaces;
@@ -31,27 +32,42 @@
         {
             var macroStabilityInput = new DamWbiMacroStabilityInput();
             kernelDataInput = macroStabilityInput;
-
-            // ToDo: Not clear yet what must be done in Prepare. Temporary test code added.
-            // start of temporary test code
-            if (damKernelInput.RiverLevelHigh > 1)
-            {
-                macroStabilityInput.TmpWbiMacroIn = 1.234;
-            }
-            else
-            {
-                macroStabilityInput.TmpWbiMacroIn = 0.234;
-            }
-            // end of temporary test code
-
             var macroStabilityOutput = new DamWbiMacroStabilityOutput
             {
                 CalculationResult = CalculationResult.NoRun
             };
             kernelDataOutput = macroStabilityOutput;
+            try
+            {
+                // ToDo MWDAM-1353: Not clear yet what parts are required for input. Temporary test code added.
+                // start of temporary test code
+                if (damKernelInput.RiverLevelHigh > 1)
+                {
+                    macroStabilityInput.TmpWbiMacroIn = 1.234;
+                }
+                else
+                {
+                    macroStabilityInput.TmpWbiMacroIn = 0.234;
+                }
 
-            return PrepareResult.NotRelevant;
+                // end of temporary test code
+                var calculator = CreateWbiStabilityCalculator(kernelDataInput);
+                var xmlInput = CreateXmlInput(macroStabilityInput);
+                calculator.InitializeForDeterministic(xmlInput);
+                return PrepareResult.Successful;
+            }
+            catch
+            {
+                return PrepareResult.Failed;
+            }
         }
+        
+        private string CreateXmlInput(DamWbiMacroStabilityInput macroStabilityInput)
+        {
+            string xmlInput = "";
+            //ToDo in MWDAM-1353
+            return xmlInput;
+        }
 
         /// <summary>
         /// Validates the specified kernel data input.
Index: DamEngine/trunk/src/Deltares.DamEngine.Calculators.Tests/KernelWrappers/DamWbiMacroStabilityInwards/DamWbiMacroStabilityInwardsKernelWrapperTests.cs
===================================================================
diff -u -r1901 -r1909
--- DamEngine/trunk/src/Deltares.DamEngine.Calculators.Tests/KernelWrappers/DamWbiMacroStabilityInwards/DamWbiMacroStabilityInwardsKernelWrapperTests.cs	(.../DamWbiMacroStabilityInwardsKernelWrapperTests.cs)	(revision 1901)
+++ DamEngine/trunk/src/Deltares.DamEngine.Calculators.Tests/KernelWrappers/DamWbiMacroStabilityInwards/DamWbiMacroStabilityInwardsKernelWrapperTests.cs	(.../DamWbiMacroStabilityInwardsKernelWrapperTests.cs)	(revision 1909)
@@ -28,17 +28,29 @@
             IKernelDataOutput kernelDataOutput;
             var kernelInput = new DamKernelInput();
 
-            // ToDo: Not clear yet what must be done in Prepare. Temporary test code added.
+            // ToDo MWDAM-1353: Not clear yet what must be done in Prepare and XML input not written yet. Temporary test code added.
             // start of temporary test code
             kernelInput.RiverLevelHigh = 0.5;
-            kernelWrapper.Prepare(kernelInput, 0, out kernelDataInput, out kernelDataOutput);
+            var prepareResult1 = kernelWrapper.Prepare(kernelInput, 0, out kernelDataInput, out kernelDataOutput);
+            // test preparing the input
             DamWbiMacroStabilityInput damMacroStabilityInput1 = (DamWbiMacroStabilityInput)kernelDataInput;
             Assert.AreEqual(0.234, damMacroStabilityInput1.TmpWbiMacroIn, diff);
+            // test result of the InitializeForDeterministic, currently failing because the xml input is not written yet
+            Assert.AreEqual(PrepareResult.Failed, prepareResult1);
+            // test preparing the output
+            DamWbiMacroStabilityOutput damMacroStabilityOutput1 = (DamWbiMacroStabilityOutput)kernelDataOutput;
+            Assert.AreEqual(CalculationResult.NoRun, damMacroStabilityOutput1.CalculationResult);
 
             kernelInput.RiverLevelHigh = 1.5;
-            kernelWrapper.Prepare(kernelInput, 0, out kernelDataInput, out kernelDataOutput);
+            var prepareResult2 = kernelWrapper.Prepare(kernelInput, 0, out kernelDataInput, out kernelDataOutput);
+            // test preparing the input
             DamWbiMacroStabilityInput damMacroStabilityInput2 = (DamWbiMacroStabilityInput)kernelDataInput;
             Assert.AreEqual(1.234, damMacroStabilityInput2.TmpWbiMacroIn, diff);
+            // test result of the InitializeForDeterministic, currently failing because the xml input is not written yet
+            Assert.AreEqual(PrepareResult.Failed, prepareResult2);
+            // test preparing the output
+            DamWbiMacroStabilityOutput damMacroStabilityOutput2 = (DamWbiMacroStabilityOutput)kernelDataOutput;
+            Assert.AreEqual(CalculationResult.NoRun, damMacroStabilityOutput2.CalculationResult);
             // end of temporary test code
         }