Index: Ringtoets/ClosingStructures/test/Ringtoets.ClosingStructures.Plugin.Test/TreeNodeInfos/ClosingStructuresCalculationContextTreeNodeInfoTest.cs
===================================================================
diff -u -rc2f37ea8bfc69b7faf9ceb42adab29b658599af9 -r01e8d3f7c86b2cc7e52606d71e97bd40431a2b25
--- Ringtoets/ClosingStructures/test/Ringtoets.ClosingStructures.Plugin.Test/TreeNodeInfos/ClosingStructuresCalculationContextTreeNodeInfoTest.cs	(.../ClosingStructuresCalculationContextTreeNodeInfoTest.cs)	(revision c2f37ea8bfc69b7faf9ceb42adab29b658599af9)
+++ Ringtoets/ClosingStructures/test/Ringtoets.ClosingStructures.Plugin.Test/TreeNodeInfos/ClosingStructuresCalculationContextTreeNodeInfoTest.cs	(.../ClosingStructuresCalculationContextTreeNodeInfoTest.cs)	(revision 01e8d3f7c86b2cc7e52606d71e97bd40431a2b25)
@@ -394,7 +394,7 @@
         }
 
         [Test]
-        public void GivenCalculationWithStructureWithoutOutput_WhenStructureAndInputOutOfSyncAndUpdateClicked_ThenNoInquiryAndCalculationUpdatedAndInputObserverNotified()
+        public void GivenCalculationWithoutOutputAndWithInputOutOfSync_WhenUpdateStructureClicked_ThenNoInquiryAndCalculationUpdatedAndInputObserverNotified()
         {
             // Given
             var assessmentSection = mocks.Stub<IAssessmentSection>();
@@ -440,7 +440,7 @@
         }
 
         [Test]
-        public void GivenCalculationWithStructureWithOutput_WhenStructureAndInputOutOfSyncAndUpdateClickedAndCancelled_ThenInquiryAndCalculationNotUpdatedAndObserversNotNotified()
+        public void GivenCalculationWithOutputAndInputInSync_WhenUpdateStructureClicked_ThenNoInquiryAndCalculationNotUpdatedAndObserversNotNotified()
         {
             // Given
             var assessmentSection = mocks.Stub<IAssessmentSection>();
@@ -464,6 +464,52 @@
             var calculationObserver = mocks.StrictMock<IObserver>();
             calculation.Attach(calculationObserver);
 
+            using (var treeViewControl = new TreeViewControl())
+            {
+                var mainWindow = mocks.Stub<IMainWindow>();
+                gui.Stub(cmp => cmp.Get(nodeData, treeViewControl)).Return(new CustomItemsOnlyContextMenuBuilder());
+                gui.Stub(g => g.MainWindow).Return(mainWindow);
+                mocks.ReplayAll();
+
+                using (ContextMenuStrip menu = info.ContextMenuStrip(nodeData, assessmentSection, treeViewControl))
+                {
+                    // When
+                    menu.Items[contextMenuUpdateStructureIndex].PerformClick();
+
+                    // Then
+                    Assert.IsTrue(calculation.HasOutput);
+                    Assert.IsTrue(calculation.InputParameters.IsStructureInputSynchronized);
+
+                    // Note: observer assertions are verified in the TearDown()
+                }
+            }
+        }
+
+        [Test]
+        public void GivenCalculationWithOutputAndInputOutOfSync_WhenUpdateStructureClickedAndCancelled_ThenInquiryAndCalculationNotUpdatedAndObserversNotNotified()
+        {
+            // Given
+            var assessmentSection = mocks.Stub<IAssessmentSection>();
+            var structure = new TestClosingStructure();
+            var calculation = new StructuresCalculation<ClosingStructuresInput>
+            {
+                InputParameters =
+                {
+                    Structure = structure
+                },
+                Output = new TestStructuresOutput()
+            };
+
+            ClosingStructuresInput calculationInput = calculation.InputParameters;
+            var failureMechanism = new ClosingStructuresFailureMechanism();
+            var nodeData = new ClosingStructuresCalculationContext(calculation, failureMechanism, assessmentSection);
+
+            var inputObserver = mocks.StrictMock<IObserver>();
+            calculationInput.Attach(inputObserver);
+
+            var calculationObserver = mocks.StrictMock<IObserver>();
+            calculation.Attach(calculationObserver);
+
             string textBoxMessage = null;
             DialogBoxHandler = (name, wnd) =>
             {
@@ -500,7 +546,7 @@
         }
 
         [Test]
-        public void GivenCalculationWithStructureWithOutput_WhenStructureAndInputOutOfSyncAndUpdateClickedAndContinued_ThenInquiryAndUpdatesCalculationAndObserversNotified()
+        public void GivenCalculationWithOutputAndInputOutOfSync_WhenUpdateStructureClickedAndContinued_ThenInquiryAndUpdatesCalculationAndObserversNotified()
         {
             // Given
             var assessmentSection = mocks.Stub<IAssessmentSection>();