Index: Ringtoets/Integration/test/Ringtoets.Integration.IO.Test/Helpers/ExportableFailureMechanismSectionHelperTest.cs
===================================================================
diff -u -r71d46474dec24e87a9a6d45152b0b29977d1a51e -r7f7624f429bf4e356a48a203290c319c3d752fb5
--- Ringtoets/Integration/test/Ringtoets.Integration.IO.Test/Helpers/ExportableFailureMechanismSectionHelperTest.cs	(.../ExportableFailureMechanismSectionHelperTest.cs)	(revision 71d46474dec24e87a9a6d45152b0b29977d1a51e)
+++ Ringtoets/Integration/test/Ringtoets.Integration.IO.Test/Helpers/ExportableFailureMechanismSectionHelperTest.cs	(.../ExportableFailureMechanismSectionHelperTest.cs)	(revision 7f7624f429bf4e356a48a203290c319c3d752fb5)
@@ -126,5 +126,34 @@
             // Assert
             CollectionAssert.AreEqual(points, sectionPoints);
         }
+
+        [Test]
+        public void GetFailureMechanismSectionGeometry_SectionStartAndEndExactlyOnReferenceLinePoints_ReturnExpectedPoints()
+        {
+            // Setup
+            const int sectionStart = 10;
+            const int sectionEnd = 30;
+            var points = new[]
+            {
+                new Point2D(0, 0),
+                new Point2D(sectionStart, 0),
+                new Point2D(20, 0),
+                new Point2D(sectionEnd, 0)
+            };
+
+            var referenceLine = new ReferenceLine();
+            referenceLine.SetGeometry(points);
+
+            // Call
+            IEnumerable<Point2D> sectionPoints = ExportableFailureMechanismSectionHelper.GetFailureMechanismSectionGeometry(referenceLine, sectionStart, sectionEnd);
+
+            // Assert
+            CollectionAssert.AreEqual(new[]
+            {
+                new Point2D(sectionStart, 0),
+                new Point2D(20, 0),
+                new Point2D(sectionEnd, 0)
+            }, sectionPoints);
+        }
     }
 }
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