Index: DamEngine/trunk/src/Deltares.DamEngine.TestHelpers/GeneralHelper.cs
===================================================================
diff -u -r5737 -r5747
--- DamEngine/trunk/src/Deltares.DamEngine.TestHelpers/GeneralHelper.cs	(.../GeneralHelper.cs)	(revision 5737)
+++ DamEngine/trunk/src/Deltares.DamEngine.TestHelpers/GeneralHelper.cs	(.../GeneralHelper.cs)	(revision 5747)
@@ -248,5 +248,38 @@
             Directory.Delete(testWorkingFolder, recursive);
         }
     }
+
+    public static Output RunMultiCoreWithXmlInputFile(string mapTestFiles, DamProjectType damProjectType,
+                                                      int maxCores, string calcDir, string inputFilename, string outputFilename, 
+                                                      bool justOneScenario = false, bool expectedNoErrors = true)
+    {
+        if (Directory.Exists(calcDir))
+        {
+            Directory.Delete(calcDir, true); // delete previous results
+        }
+        Directory.CreateDirectory(calcDir);
+
+        string fullInputFilename = Path.Combine(mapTestFiles, inputFilename);
+        string inputString = File.ReadAllText(fullInputFilename);
+        inputString = XmlAdapter.ChangeValueInXml(inputString, "ProjectPath", ""); // Current directory will be used
+        inputString = XmlAdapter.ChangeValueInXml(inputString, "CalculationMap", calcDir); // Current directory will be used
+        inputString = XmlAdapter.ChangeValueInXml(inputString, "MaxCalculationCores", maxCores.ToString());
+        var engineInterface = new EngineInterface(inputString);
+        if (justOneScenario)
+        {
+            engineInterface.DamProjectData.Dike.ClearLocationScenariosExceptFirst();
+        }
+        Assert.That(engineInterface.DamProjectData, Is.Not.Null);
+        Assert.That(engineInterface.DamProjectData.DamProjectType, Is.EqualTo(damProjectType));
+
+        Output output = GeneralHelper.RunAfterInputValidation(engineInterface, true, outputFilename);
+        if (expectedNoErrors)
+        {
+            int errorCount = GeneralHelper.DetermineNumberOfCalculationErrors(engineInterface.DamProjectData.CalculationMessages);
+            Assert.That(errorCount, Is.EqualTo(0), "There should be no errors during the calculation.");
+        }
+        return output;
+    }
     
+    
 }
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