Index: Ringtoets/ClosingStructures/test/Ringtoets.ClosingStructures.Forms.Test/Views/ClosingStructuresFailureMechanismViewTest.cs
===================================================================
diff -u -r7019db1a51efdb9f1bd955015fcff3b756a8ed1f -rd32eef17c3a48ff9b0cfce71088e912b1b5bb8c0
--- Ringtoets/ClosingStructures/test/Ringtoets.ClosingStructures.Forms.Test/Views/ClosingStructuresFailureMechanismViewTest.cs	(.../ClosingStructuresFailureMechanismViewTest.cs)	(revision 7019db1a51efdb9f1bd955015fcff3b756a8ed1f)
+++ Ringtoets/ClosingStructures/test/Ringtoets.ClosingStructures.Forms.Test/Views/ClosingStructuresFailureMechanismViewTest.cs	(.../ClosingStructuresFailureMechanismViewTest.cs)	(revision d32eef17c3a48ff9b0cfce71088e912b1b5bb8c0)
@@ -32,7 +32,6 @@
 using Ringtoets.ClosingStructures.Data.TestUtil;
 using Ringtoets.ClosingStructures.Forms.PresentationObjects;
 using Ringtoets.ClosingStructures.Forms.Views;
-using Ringtoets.Common.Data;
 using Ringtoets.Common.Data.AssessmentSection;
 using Ringtoets.Common.Data.FailureMechanism;
 using Ringtoets.Common.Data.Hydraulics;
@@ -612,14 +611,16 @@
                 MapData structuresData = map.Data.Collection.ElementAt(structuresIndex);
 
                 // Precondition
-                AssertStructures(failureMechanism.ClosingStructures, structuresData);
+                MapDataTestHelper.AssertStructuresMapData(failureMechanism.ClosingStructures,
+                                                          structuresData);
 
                 // Call
                 structure.CopyProperties(new TestClosingStructure(new Point2D(1, 1), "Id"));
                 structure.NotifyObservers();
 
                 // Assert
-                AssertStructures(failureMechanism.ClosingStructures, structuresData);
+                MapDataTestHelper.AssertStructuresMapData(failureMechanism.ClosingStructures,
+                                                          structuresData);
             }
         }
 
@@ -645,7 +646,8 @@
                 MapData structuresData = map.Data.Collection.ElementAt(structuresIndex);
 
                 // Precondition
-                AssertStructures(failureMechanism.ClosingStructures, structuresData);
+                MapDataTestHelper.AssertStructuresMapData(failureMechanism.ClosingStructures,
+                                                          structuresData);
 
                 // Call
                 failureMechanism.ClosingStructures.AddRange(new[]
@@ -655,7 +657,8 @@
                 failureMechanism.ClosingStructures.NotifyObservers();
 
                 // Assert
-                AssertStructures(failureMechanism.ClosingStructures, structuresData);
+                MapDataTestHelper.AssertStructuresMapData(failureMechanism.ClosingStructures,
+                                                          structuresData);
             }
         }
 
@@ -930,24 +933,6 @@
             }
         }
 
-        private static void AssertStructures(IEnumerable<StructureBase> structures, MapData mapData)
-        {
-            Assert.NotNull(structures, "structures should never be null.");
-
-            var structuresData = (MapPointData) mapData;
-            StructureBase[] structuresArray = structures.ToArray();
-
-            Assert.AreEqual(structuresArray.Length, structuresData.Features.Length);
-
-            for (var i = 0; i < structuresArray.Length; i++)
-            {
-                MapGeometry profileDataA = structuresData.Features[i].MapGeometries.First();
-                Assert.AreEqual(structuresArray[i].Location, profileDataA.PointCollections.First().First());
-            }
-
-            Assert.AreEqual("Kunstwerken", mapData.Name);
-        }
-
         private static void AssertCalculationsMapData(IEnumerable<StructuresCalculation<ClosingStructuresInput>> calculations, MapData mapData)
         {
             Assert.IsInstanceOf<MapLineData>(mapData);
Index: Ringtoets/Common/test/Ringtoets.Common.Data.TestUtil.Test/Ringtoets.Common.Data.TestUtil.Test.csproj
===================================================================
diff -u -rf411570487c2c859af89b0cefd544386a6a60c15 -rd32eef17c3a48ff9b0cfce71088e912b1b5bb8c0
--- Ringtoets/Common/test/Ringtoets.Common.Data.TestUtil.Test/Ringtoets.Common.Data.TestUtil.Test.csproj	(.../Ringtoets.Common.Data.TestUtil.Test.csproj)	(revision f411570487c2c859af89b0cefd544386a6a60c15)
+++ Ringtoets/Common/test/Ringtoets.Common.Data.TestUtil.Test/Ringtoets.Common.Data.TestUtil.Test.csproj	(.../Ringtoets.Common.Data.TestUtil.Test.csproj)	(revision d32eef17c3a48ff9b0cfce71088e912b1b5bb8c0)
@@ -69,6 +69,7 @@
     <Compile Include="TestHydraulicBoundaryLocationOutputTest.cs" />
     <Compile Include="TestHydraulicBoundaryLocationTest.cs" />
     <Compile Include="TestStructuresOutputTest.cs" />
+    <Compile Include="TestStructureTest.cs" />
   </ItemGroup>
   <ItemGroup>
     <None Include="..\..\..\..\build\Copying.licenseheader">
Index: Ringtoets/Common/test/Ringtoets.Common.Data.TestUtil.Test/TestStructureTest.cs
===================================================================
diff -u
--- Ringtoets/Common/test/Ringtoets.Common.Data.TestUtil.Test/TestStructureTest.cs	(revision 0)
+++ Ringtoets/Common/test/Ringtoets.Common.Data.TestUtil.Test/TestStructureTest.cs	(revision d32eef17c3a48ff9b0cfce71088e912b1b5bb8c0)
@@ -0,0 +1,61 @@
+// Copyright (C) Stichting Deltares 2017. All rights reserved.
+//
+// This file is part of Ringtoets.
+//
+// Ringtoets is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+// 
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see <http://www.gnu.org/licenses/>.
+//
+// All names, logos, and references to "Deltares" are registered trademarks of
+// Stichting Deltares and remain full property of Stichting Deltares at all times.
+// All rights reserved.
+
+using Core.Common.Base.Geometry;
+using NUnit.Framework;
+
+namespace Ringtoets.Common.Data.TestUtil.Test
+{
+    [TestFixture]
+    public class TestStructureTest
+    {
+        [Test]
+        public void Constructor_ExpectedProperties()
+        {
+            // Call
+            var structure = new TestStructure();
+
+            // Assert
+            Assert.AreEqual("name", structure.Name);
+            Assert.AreEqual("id", structure.Id);
+            Assert.AreEqual(new Point2D(0.0, 0.0), structure.Location);
+            Assert.AreEqual(0.12345, structure.StructureNormalOrientation,
+                            structure.StructureNormalOrientation.GetAccuracy());
+        }
+
+        [Test]
+        public void Point2DConstructor_ExpectedProperties()
+        {
+            // Setup
+            var location = new Point2D(1, 1);
+
+            // Call
+            var structure = new TestStructure(location);
+
+            // Assert
+            Assert.AreEqual("name", structure.Name);
+            Assert.AreEqual("id", structure.Id);
+            Assert.AreEqual(location, structure.Location);
+            Assert.AreEqual(0.12345, structure.StructureNormalOrientation,
+                            structure.StructureNormalOrientation.GetAccuracy());
+        }
+    }
+}
\ No newline at end of file
Index: Ringtoets/Common/test/Ringtoets.Common.Data.TestUtil/Ringtoets.Common.Data.TestUtil.csproj
===================================================================
diff -u -rf411570487c2c859af89b0cefd544386a6a60c15 -rd32eef17c3a48ff9b0cfce71088e912b1b5bb8c0
--- Ringtoets/Common/test/Ringtoets.Common.Data.TestUtil/Ringtoets.Common.Data.TestUtil.csproj	(.../Ringtoets.Common.Data.TestUtil.csproj)	(revision f411570487c2c859af89b0cefd544386a6a60c15)
+++ Ringtoets/Common/test/Ringtoets.Common.Data.TestUtil/Ringtoets.Common.Data.TestUtil.csproj	(.../Ringtoets.Common.Data.TestUtil.csproj)	(revision d32eef17c3a48ff9b0cfce71088e912b1b5bb8c0)
@@ -71,6 +71,7 @@
     <Compile Include="TestForeshoreProfile.cs" />
     <Compile Include="TestHydraulicBoundaryLocation.cs" />
     <Compile Include="TestHydraulicBoundaryLocationOutput.cs" />
+    <Compile Include="TestStructure.cs" />
     <Compile Include="TestStructuresOutput.cs" />
   </ItemGroup>
   <ItemGroup>
Index: Ringtoets/Common/test/Ringtoets.Common.Data.TestUtil/TestStructure.cs
===================================================================
diff -u
--- Ringtoets/Common/test/Ringtoets.Common.Data.TestUtil/TestStructure.cs	(revision 0)
+++ Ringtoets/Common/test/Ringtoets.Common.Data.TestUtil/TestStructure.cs	(revision d32eef17c3a48ff9b0cfce71088e912b1b5bb8c0)
@@ -0,0 +1,55 @@
+// Copyright (C) Stichting Deltares 2017. All rights reserved.
+//
+// This file is part of Ringtoets.
+//
+// Ringtoets is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+// 
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see <http://www.gnu.org/licenses/>.
+//
+// All names, logos, and references to "Deltares" are registered trademarks of
+// Stichting Deltares and remain full property of Stichting Deltares at all times.
+// All rights reserved.
+
+using System;
+using Core.Common.Base.Data;
+using Core.Common.Base.Geometry;
+
+namespace Ringtoets.Common.Data.TestUtil
+{
+    /// <summary>
+    /// <see cref="StructureBase"/> for testing purposes.
+    /// </summary>
+    public class TestStructure : StructureBase
+    {
+        /// <summary>
+        /// Creates a new instance of <see cref="TestStructure"/>.
+        /// </summary>
+        public TestStructure() : this("name", "id", new Point2D(0.0, 0.0)) {}
+
+        /// <summary>
+        /// Creates a new instance of <see cref="TestStructure"/>.
+        /// </summary>
+        /// <param name="location">The location of the structure.</param>
+        /// <exception cref="ArgumentNullException">Thrown when <paramref name="location"/>
+        /// is <c>null</c>.</exception>
+        public TestStructure(Point2D location) : this("name", "id", location) {}
+
+        private TestStructure(string name, string id, Point2D location)
+            : base(new ConstructionProperties
+            {
+                Name = name,
+                Id = id,
+                Location = location,
+                StructureNormalOrientation = (RoundedDouble) 0.12345
+            }) {}
+    }
+}
\ No newline at end of file
Index: Ringtoets/Common/test/Ringtoets.Common.Forms.TestUtil.Test/MapDataTestHelperTest.cs
===================================================================
diff -u -rb3b6c13cf736c134476b3db34281332d01ca86b1 -rd32eef17c3a48ff9b0cfce71088e912b1b5bb8c0
--- Ringtoets/Common/test/Ringtoets.Common.Forms.TestUtil.Test/MapDataTestHelperTest.cs	(.../MapDataTestHelperTest.cs)	(revision b3b6c13cf736c134476b3db34281332d01ca86b1)
+++ Ringtoets/Common/test/Ringtoets.Common.Forms.TestUtil.Test/MapDataTestHelperTest.cs	(.../MapDataTestHelperTest.cs)	(revision d32eef17c3a48ff9b0cfce71088e912b1b5bb8c0)
@@ -28,6 +28,7 @@
 using Core.Components.Gis.Geometries;
 using Core.Components.Gis.TestUtil;
 using NUnit.Framework;
+using Ringtoets.Common.Data;
 using Ringtoets.Common.Data.AssessmentSection;
 using Ringtoets.Common.Data.DikeProfiles;
 using Ringtoets.Common.Data.FailureMechanism;
@@ -1247,5 +1248,143 @@
         }
 
         #endregion
+
+        #region AssertStructuresMapData
+
+        [Test]
+        public void AssertStructuresMapData_MapDataNotMapPointData_ThrowAssertionException()
+        {
+            // Setup
+            var mapData = new MapLineData("Kunstwerken");
+
+            // Call
+            TestDelegate test = () => MapDataTestHelper.AssertStructuresMapData(Enumerable.Empty<StructureBase>(), mapData);
+
+            // Assert
+            Assert.Throws<AssertionException>(test);
+        }
+
+        [Test]
+        public void AssertStructuresMapData_MapDataNameNotCorrect_ThrowAssertionException()
+        {
+            // Setup
+            var mapData = new MapPointData("Other name")
+            {
+                Features = new[]
+                {
+                    new MapFeature(new[]
+                    {
+                        new MapGeometry(new[]
+                        {
+                            new[]
+                            {
+                                new Point2D(0, 0)
+                            }
+                        })
+                    })
+                }
+            };
+            var structures = new[]
+            {
+                new TestStructure(new Point2D(0, 0))
+            };
+
+            // Call
+            TestDelegate test = () => MapDataTestHelper.AssertStructuresMapData(structures, mapData);
+
+            // Assert
+            Assert.Throws<AssertionException>(test);
+        }
+
+        [Test]
+        public void AssertStructuresMapData_MapDataFeaturesLengthNotSameAsExpectedStructuresLength_ThrowsAssertionException()
+        {
+            // Setup
+            var mapData = new MapPointData("Kunstwerken")
+            {
+                Features = new[]
+                {
+                    new MapFeature(Enumerable.Empty<MapGeometry>())
+                }
+            };
+            var structures = new[]
+            {
+                new TestStructure(),
+                new TestStructure()
+            };
+
+            // Call
+            TestDelegate test = () => MapDataTestHelper.AssertStructuresMapData(structures, mapData);
+
+            // Assert
+            Assert.Throws<AssertionException>(test);
+        }
+
+        [Test]
+        public void AssertStructuresMapData_FeatureGeometryNotSameAsExpectedLocation_ThrowAssertionException()
+        {
+            // Setup
+            var mapData = new MapPointData("Kunstwerken")
+            {
+                Features = new[]
+                {
+                    new MapFeature(new[]
+                    {
+                        new MapGeometry(new[]
+                        {
+                            new[]
+                            {
+                                new Point2D(0, 0)
+                            }
+                        })
+                    })
+                }
+            };
+            var structures = new[]
+            {
+                new TestStructure(new Point2D(1, 1))
+            };
+
+            // Call
+            TestDelegate test = () => MapDataTestHelper.AssertStructuresMapData(structures, mapData);
+
+            // Assert
+            Assert.Throws<AssertionException>(test);
+        }
+
+        [Test]
+        public void AssertStructuresMapData_DataCorrect_DoesNotThrow()
+        {
+            // Setup
+            var mapData = new MapPointData("Kunstwerken")
+            {
+                Features = new[]
+                {
+                    new MapFeature(new[]
+                    {
+                        new MapGeometry(new[]
+                        {
+                            new[]
+                            {
+                                new Point2D(0, 0),
+                                new Point2D(0, -1)
+                            }
+                        })
+                    })
+                }
+            };
+            var structures = new[]
+            {
+                new TestStructure(new Point2D(0, 0))
+            };
+
+            // Call
+            TestDelegate test = () => MapDataTestHelper.AssertStructuresMapData(structures, mapData);
+
+            // Assert
+            Assert.DoesNotThrow(test);
+        }
+
+        #endregion
     }
 }
\ No newline at end of file
Index: Ringtoets/Common/test/Ringtoets.Common.Forms.TestUtil/MapDataTestHelper.cs
===================================================================
diff -u -rb3b6c13cf736c134476b3db34281332d01ca86b1 -rd32eef17c3a48ff9b0cfce71088e912b1b5bb8c0
--- Ringtoets/Common/test/Ringtoets.Common.Forms.TestUtil/MapDataTestHelper.cs	(.../MapDataTestHelper.cs)	(revision b3b6c13cf736c134476b3db34281332d01ca86b1)
+++ Ringtoets/Common/test/Ringtoets.Common.Forms.TestUtil/MapDataTestHelper.cs	(.../MapDataTestHelper.cs)	(revision d32eef17c3a48ff9b0cfce71088e912b1b5bb8c0)
@@ -27,6 +27,7 @@
 using Core.Components.Gis.Features;
 using Core.Components.Gis.Geometries;
 using NUnit.Framework;
+using Ringtoets.Common.Data;
 using Ringtoets.Common.Data.AssessmentSection;
 using Ringtoets.Common.Data.DikeProfiles;
 using Ringtoets.Common.Data.FailureMechanism;
@@ -258,6 +259,39 @@
             Assert.Fail("Unsupported background configuration.");
         }
 
+        /// <summary>
+        /// Asserts whether the <see cref="MapData"/> contains the data that is representative 
+        /// for the <paramref name="structures"/>.
+        /// </summary>
+        /// <param name="structures">The structures that contain the original data.</param>
+        /// <param name="mapData">The <see cref="MapData"/> that needs to be asserted.</param>
+        /// <exception cref="AssertionException">Thrown when:
+        /// <list type="bullet">
+        /// <item><paramref name="mapData"/> is not <see cref="MapPointData"/>;</item>
+        /// <item>the name of the <see cref="MapData"/> is not <c>Kunstwerken</c>;</item>
+        /// <item>the amount of features in <paramref name="mapData"/> is not equal to the 
+        /// amount of the <paramref name="structures"/>;</item>
+        /// <item>the geometries of the features in <paramref name="mapData"/> are not equal to 
+        /// the expected geometry of the <paramref name="structures"/>.</item>
+        /// </list>
+        /// </exception>
+        public static void AssertStructuresMapData(IEnumerable<StructureBase> structures, MapData mapData)
+        {
+            Assert.IsInstanceOf<MapPointData>(mapData);
+            Assert.AreEqual("Kunstwerken", mapData.Name);
+
+            var structuresData = (MapPointData) mapData;
+            StructureBase[] structuresArray = structures.ToArray();
+
+            Assert.AreEqual(structuresArray.Length, structuresData.Features.Length);
+
+            for (var i = 0; i < structuresArray.Length; i++)
+            {
+                MapGeometry profileDataA = structuresData.Features[i].MapGeometries.First();
+                Assert.AreEqual(structuresArray[i].Location, profileDataA.PointCollections.First().First());
+            }
+        }
+
         private static Point2D[] GetWorldPoints(ForeshoreProfile foreshoreProfile)
         {
             return AdvancedMath2D.FromXToXY(
Index: Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Forms.Test/Views/HeightStructuresFailureMechanismViewTest.cs
===================================================================
diff -u -r06c3ea29cfced4bf3c52d1507b66752797fcfddd -rd32eef17c3a48ff9b0cfce71088e912b1b5bb8c0
--- Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Forms.Test/Views/HeightStructuresFailureMechanismViewTest.cs	(.../HeightStructuresFailureMechanismViewTest.cs)	(revision 06c3ea29cfced4bf3c52d1507b66752797fcfddd)
+++ Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Forms.Test/Views/HeightStructuresFailureMechanismViewTest.cs	(.../HeightStructuresFailureMechanismViewTest.cs)	(revision d32eef17c3a48ff9b0cfce71088e912b1b5bb8c0)
@@ -28,7 +28,6 @@
 using Core.Components.Gis.Forms;
 using Core.Components.Gis.Geometries;
 using NUnit.Framework;
-using Ringtoets.Common.Data;
 using Ringtoets.Common.Data.AssessmentSection;
 using Ringtoets.Common.Data.FailureMechanism;
 using Ringtoets.Common.Data.Hydraulics;
@@ -628,14 +627,16 @@
                 MapData structuresData = map.Data.Collection.ElementAt(structuresIndex);
 
                 // Precondition
-                AssertStructures(failureMechanism.HeightStructures, structuresData);
+                MapDataTestHelper.AssertStructuresMapData(failureMechanism.HeightStructures,
+                                                          structuresData);
 
                 // Call
                 structure.CopyProperties(new TestHeightStructure(new Point2D(1, 1), "Id"));
                 structure.NotifyObservers();
 
                 // Assert
-                AssertStructures(failureMechanism.HeightStructures, structuresData);
+                MapDataTestHelper.AssertStructuresMapData(failureMechanism.HeightStructures,
+                                                          structuresData);
             }
         }
 
@@ -661,7 +662,8 @@
                 MapData structuresData = map.Data.Collection.ElementAt(structuresIndex);
 
                 // Precondition
-                AssertStructures(failureMechanism.HeightStructures, structuresData);
+                MapDataTestHelper.AssertStructuresMapData(failureMechanism.HeightStructures,
+                                                          structuresData);
 
                 // Call
                 failureMechanism.HeightStructures.AddRange(new[]
@@ -671,7 +673,8 @@
                 failureMechanism.HeightStructures.NotifyObservers();
 
                 // Assert
-                AssertStructures(failureMechanism.HeightStructures, structuresData);
+                MapDataTestHelper.AssertStructuresMapData(failureMechanism.HeightStructures,
+                                                          structuresData);
             }
         }
 
@@ -954,24 +957,6 @@
             }
         }
 
-        private static void AssertStructures(IEnumerable<StructureBase> structures, MapData mapData)
-        {
-            Assert.NotNull(structures, "structures should never be null.");
-
-            var structuresData = (MapPointData) mapData;
-            StructureBase[] structuresArray = structures.ToArray();
-
-            Assert.AreEqual(structuresArray.Length, structuresData.Features.Length);
-
-            for (var i = 0; i < structuresArray.Length; i++)
-            {
-                MapGeometry profileDataA = structuresData.Features[i].MapGeometries.First();
-                Assert.AreEqual(structuresArray[i].Location, profileDataA.PointCollections.First().First());
-            }
-
-            Assert.AreEqual("Kunstwerken", mapData.Name);
-        }
-
         private static void AssertCalculationsMapData(IEnumerable<StructuresCalculation<HeightStructuresInput>> calculations, MapData mapData)
         {
             Assert.IsInstanceOf<MapLineData>(mapData);
Index: Ringtoets/StabilityPointStructures/test/Ringtoets.StabilityPointStructures.Forms.Test/Views/StabilityPointStructuresFailureMechanismViewTest.cs
===================================================================
diff -u -r06c3ea29cfced4bf3c52d1507b66752797fcfddd -rd32eef17c3a48ff9b0cfce71088e912b1b5bb8c0
--- Ringtoets/StabilityPointStructures/test/Ringtoets.StabilityPointStructures.Forms.Test/Views/StabilityPointStructuresFailureMechanismViewTest.cs	(.../StabilityPointStructuresFailureMechanismViewTest.cs)	(revision 06c3ea29cfced4bf3c52d1507b66752797fcfddd)
+++ Ringtoets/StabilityPointStructures/test/Ringtoets.StabilityPointStructures.Forms.Test/Views/StabilityPointStructuresFailureMechanismViewTest.cs	(.../StabilityPointStructuresFailureMechanismViewTest.cs)	(revision d32eef17c3a48ff9b0cfce71088e912b1b5bb8c0)
@@ -28,7 +28,6 @@
 using Core.Components.Gis.Forms;
 using Core.Components.Gis.Geometries;
 using NUnit.Framework;
-using Ringtoets.Common.Data;
 using Ringtoets.Common.Data.AssessmentSection;
 using Ringtoets.Common.Data.FailureMechanism;
 using Ringtoets.Common.Data.Hydraulics;
@@ -609,14 +608,16 @@
                 MapData structuresData = map.Data.Collection.ElementAt(structuresIndex);
 
                 // Precondition
-                AssertStructures(failureMechanism.StabilityPointStructures, structuresData);
+                MapDataTestHelper.AssertStructuresMapData(failureMechanism.StabilityPointStructures,
+                                                          structuresData);
 
                 // Call
                 structure.CopyProperties(new TestStabilityPointStructure(new Point2D(1, 1), "Id"));
                 structure.NotifyObservers();
 
                 // Assert
-                AssertStructures(failureMechanism.StabilityPointStructures, structuresData);
+                MapDataTestHelper.AssertStructuresMapData(failureMechanism.StabilityPointStructures,
+                                                          structuresData);
             }
         }
 
@@ -640,15 +641,17 @@
                 MapData structuresData = map.Data.Collection.ElementAt(structuresIndex);
 
                 // Precondition
-                AssertStructures(failureMechanism.StabilityPointStructures, structuresData);
+                MapDataTestHelper.AssertStructuresMapData(failureMechanism.StabilityPointStructures,
+                                                          structuresData);
 
                 // Call
                 failureMechanism.StabilityPointStructures.Add(
                     new TestStabilityPointStructure(new Point2D(1, 1), "Id2"));
                 failureMechanism.StabilityPointStructures.NotifyObservers();
 
                 // Assert
-                AssertStructures(failureMechanism.StabilityPointStructures, structuresData);
+                MapDataTestHelper.AssertStructuresMapData(failureMechanism.StabilityPointStructures,
+                                                          structuresData);
             }
         }
 
@@ -923,24 +926,6 @@
             }
         }
 
-        private static void AssertStructures(IEnumerable<StructureBase> structures, MapData mapData)
-        {
-            Assert.NotNull(structures, "structures should never be null.");
-
-            var structuresData = (MapPointData) mapData;
-            StructureBase[] structuresArray = structures.ToArray();
-
-            Assert.AreEqual(structuresArray.Length, structuresData.Features.Length);
-
-            for (var i = 0; i < structuresArray.Length; i++)
-            {
-                MapGeometry profileDataA = structuresData.Features[i].MapGeometries.First();
-                Assert.AreEqual(structuresArray[i].Location, profileDataA.PointCollections.First().First());
-            }
-
-            Assert.AreEqual("Kunstwerken", mapData.Name);
-        }
-
         private static void AssertCalculationsMapData(IEnumerable<StructuresCalculation<StabilityPointStructuresInput>> calculations, MapData mapData)
         {
             Assert.IsInstanceOf<MapLineData>(mapData);