Index: Ringtoets/ClosingStructures/test/Ringtoets.ClosingStructures.Data.Test/ClosingStructuresInputTest.cs
===================================================================
diff -u -rf88343c0590cb04c7135ce141872940e59325927 -r3074213fb452f625d9c0156d9a927175cedca3dd
--- Ringtoets/ClosingStructures/test/Ringtoets.ClosingStructures.Data.Test/ClosingStructuresInputTest.cs	(.../ClosingStructuresInputTest.cs)	(revision f88343c0590cb04c7135ce141872940e59325927)
+++ Ringtoets/ClosingStructures/test/Ringtoets.ClosingStructures.Data.Test/ClosingStructuresInputTest.cs	(.../ClosingStructuresInputTest.cs)	(revision 3074213fb452f625d9c0156d9a927175cedca3dd)
@@ -188,6 +188,62 @@
             AssertClosingStructure(structure, input);
         }
 
+        [Test]
+        public void StructureParametersSynchronized_StructureNotSet_ReturnFalse()
+        {
+            // Setup
+            var input = new ClosingStructuresInput();
+
+            // Call
+            bool structureParametersSynchronized = input.StructureParametersSynchronized;
+
+            // Assert
+            Assert.IsFalse(structureParametersSynchronized);
+        }
+
+        [Test]
+        public void StructureParametersSynchronized_StructureAndInputInSync_ReturnTrue()
+        {
+            // Setup
+            var structure = new TestClosingStructure();
+            var input = new ClosingStructuresInput
+            {
+                Structure = structure
+            };
+
+            // Call
+            bool structureParametersSynchronized = input.StructureParametersSynchronized;
+
+            // Assert
+            Assert.IsTrue(structureParametersSynchronized);
+        }
+
+        [Test]
+        [TestCaseSource(typeof(ClosingStructurePermutationHelper),
+            nameof(ClosingStructurePermutationHelper.DifferentClosingStructuresWithSameIdNameAndLocation),
+            new object[]
+            {
+                "StructureParametersSynchronized",
+                "ReturnFalse"
+            })]
+        public void StructureParametersSynchronized_StructureAndInputNotInSync_ReturnFalse(ClosingStructure modifiedStructure)
+        {
+            // Setup
+            var structure = new TestClosingStructure();
+            var input = new ClosingStructuresInput
+            {
+                Structure = structure
+            };
+
+            structure.CopyProperties(modifiedStructure);
+
+            // Call
+            bool structureParametersSynchronized = input.StructureParametersSynchronized;
+
+            // Assert
+            Assert.IsFalse(structureParametersSynchronized);
+        }
+
         #region Hydraulic data
 
         [Test]