Index: Ringtoets/Common/test/Ringtoets.Common.Data.Test/Hydraulics/HydraulicBoundaryDatabaseTest.cs
===================================================================
diff -u -r0ce2329213d6984c6992ec20319265546692a0b4 -r35b7d54a7d06c2656986b10fc3f757b36a2dfd77
--- Ringtoets/Common/test/Ringtoets.Common.Data.Test/Hydraulics/HydraulicBoundaryDatabaseTest.cs	(.../HydraulicBoundaryDatabaseTest.cs)	(revision 0ce2329213d6984c6992ec20319265546692a0b4)
+++ Ringtoets/Common/test/Ringtoets.Common.Data.Test/Hydraulics/HydraulicBoundaryDatabaseTest.cs	(.../HydraulicBoundaryDatabaseTest.cs)	(revision 35b7d54a7d06c2656986b10fc3f757b36a2dfd77)
@@ -65,7 +65,43 @@
             Assert.AreEqual(preprocessorDirectory, hydraulicBoundaryDatabase.PreprocessorDirectory);
         }
 
+        [TestCase(true)]
+        [TestCase(false)]
+        public void CanUsePreprocessor_Always_ExpectedValuesSet(bool canUsePreprocessor)
+        {
+            // Setup
+            var hydraulicBoundaryDatabase = new HydraulicBoundaryDatabase();
+
+            // Call
+            hydraulicBoundaryDatabase.CanUsePreprocessor = canUsePreprocessor;
+
+            // Assert
+            Assert.AreEqual(canUsePreprocessor, hydraulicBoundaryDatabase.CanUsePreprocessor);
+            Assert.IsFalse(hydraulicBoundaryDatabase.UsePreprocessor);
+            Assert.IsNull(hydraulicBoundaryDatabase.PreprocessorDirectory);
+        }
+
         [Test]
+        public void GivenDatabaseWithPreprocessorSettings_WhenSettingCanUsePreprocessorFalse_ThenPreprocessorSettingsReset()
+        {
+            // Given
+            var hydraulicBoundaryDatabase = new HydraulicBoundaryDatabase
+            {
+                CanUsePreprocessor = true,
+                UsePreprocessor = true,
+                PreprocessorDirectory = "PreprocessorDirectory"
+            };
+
+            // When
+            hydraulicBoundaryDatabase.CanUsePreprocessor = false;
+
+            // Then
+            Assert.IsFalse(hydraulicBoundaryDatabase.CanUsePreprocessor);
+            Assert.IsFalse(hydraulicBoundaryDatabase.UsePreprocessor);
+            Assert.IsNull(hydraulicBoundaryDatabase.PreprocessorDirectory);
+        }
+
+        [Test]
         public void UsePreprocessor_SetValueWithCanUsePreprocessorTrue_ExpectedValueSet()
         {
             // Setup