Index: DamEngine/trunk/src/Deltares.DamEngine.Data.Tests/Geotechnics/GeometryHelperTests.cs
===================================================================
diff -u -r5621 -r5634
--- DamEngine/trunk/src/Deltares.DamEngine.Data.Tests/Geotechnics/GeometryHelperTests.cs	(.../GeometryHelperTests.cs)	(revision 5621)
+++ DamEngine/trunk/src/Deltares.DamEngine.Data.Tests/Geotechnics/GeometryHelperTests.cs	(.../GeometryHelperTests.cs)	(revision 5634)
@@ -148,7 +148,14 @@
     }
     
     [Test]
+    [TestCase(-40, 3, 12, 12, 2)]
+    [TestCase(-30, 3, 12, 13, 1)]
     [TestCase(-20, 3, 12, 13, 1)]
+    [TestCase(-10, 2, 10, 10, 1)]
+    [TestCase(0, 2, 8, 8, 1)]
+    [TestCase(10, 2, 8, 9, 0)]
+    [TestCase(20, 2, 8, 9, 0)]
+    [TestCase(45, 1, 4, 4, 0)]
     public void GivenInnerLoopLayerGeometryWhenCuttingLeftThenLeftBoundaryIsChanged(double atX, int surfacesCount, int pointsCount, int curvesCount, int innerLoopsCount)
     {
         // Given
@@ -179,14 +186,58 @@
         {
             Assert.That(geometryBounds.Left, Is.EqualTo(atX).Within(cTolerance));
             Assert.That(soilProfile2D.Geometry.Left, Is.EqualTo(atX).Within(cTolerance));
-            // At first there are 3 surfaces, after cutting the boundary, there still must be 3 surfaces
             Assert.That(soilProfile2D.Geometry.Surfaces, Has.Count.EqualTo(surfacesCount));
-            // At first there are 12 points, after cutting the boundary, there still must be 12 points
             Assert.That(soilProfile2D.Geometry.Points, Has.Count.EqualTo(pointsCount));
-            // At first there are 14 curves, after cutting the boundary, there must be 13 curves
             Assert.That(soilProfile2D.Geometry.Curves, Has.Count.EqualTo(curvesCount));
-            // At first there are 2 inner loops, after cutting the boundary, there must be 1 inner loop
             Assert.That(soilProfile2D.Geometry.InnerLoopsCount, Is.EqualTo(innerLoopsCount));
         });
     }
+    
+    [Test]
+    [TestCase(-45, 3, 10, 11, 2)]
+    [TestCase(-40, 3, 10, 12, 0)]
+    [TestCase(-30, 3, 10, 12, 0)]
+    [TestCase(-20, 3, 10, 12, 0)]
+    [TestCase(-10, 3, 10, 12, 0)]
+    [TestCase(0, 2, 8, 9, 0)]
+    [TestCase(10, 2, 8, 9, 0)]
+    [TestCase(20, 2, 8, 9, 0)]
+    [TestCase(40, 1, 5, 5, 0)]
+    [TestCase(45, 1, 4, 4, 0)]
+    public void GivenInnerLoopLayerGeometryWithConnectedLoopsWhenCuttingLeftThenLeftBoundaryIsChanged(double atX, int surfacesCount, int pointsCount, int curvesCount, int innerLoopsCount)
+    {
+        // Given
+        SoilProfile2D soilProfile2D = FactoryForSoilProfiles.CreateSoilProfile2DWithThreeLayersOfWhichTwoAreConnectedInnerLoops();
+        GeometryBounds originalGeometryBounds = soilProfile2D.Geometry.GetGeometryBounds();
+        Assert.Multiple(() =>
+        {
+            Assert.That(originalGeometryBounds.Left, Is.EqualTo(-50).Within(cTolerance));
+            Assert.That(soilProfile2D.Geometry.Left, Is.EqualTo(-50).Within(cTolerance));
+            // At first there are 3 surfaces
+            Assert.That(soilProfile2D.Geometry.Surfaces, Has.Count.EqualTo(3));
+            // At first there are 12 points
+            Assert.That(soilProfile2D.Geometry.Points, Has.Count.EqualTo(10));
+            // At first there are 12 curves
+            Assert.That(soilProfile2D.Geometry.Curves, Has.Count.EqualTo(11));
+            // At first there are 2 inner loops
+            Assert.That(soilProfile2D.Geometry.InnerLoopsCount, Is.EqualTo(2));
+        });
+        //GeometryExporter.ExportToFile(soilProfile2D.Geometry, GeometryExporter.VisualizationFolder + "GeometryBefore.txt");
+        // When
+        GeometryHelper.CutGeometryLeft(soilProfile2D.Geometry, atX);
+        //GeometryExporter.ExportToFile(soilProfile2D.Geometry, GeometryExporter.VisualizationFolder + "GeometryAfter.txt");
+        //GeometryExporter.ExportWithSurfaceLineToJsonFile(GeometryExporter.VisualizationFolder + 
+        //                                                  GeometryExporter.ExportJasonFile, soilProfile2D.Geometry, null);
+        // Then
+        GeometryBounds geometryBounds = soilProfile2D.Geometry.GetGeometryBounds();
+        Assert.Multiple(() =>
+        {
+            Assert.That(geometryBounds.Left, Is.EqualTo(atX).Within(cTolerance));
+            Assert.That(soilProfile2D.Geometry.Left, Is.EqualTo(atX).Within(cTolerance));
+            Assert.That(soilProfile2D.Geometry.Surfaces, Has.Count.EqualTo(surfacesCount));
+            Assert.That(soilProfile2D.Geometry.Points, Has.Count.EqualTo(pointsCount));
+            Assert.That(soilProfile2D.Geometry.Curves, Has.Count.EqualTo(curvesCount));
+            Assert.That(soilProfile2D.Geometry.InnerLoopsCount, Is.EqualTo(innerLoopsCount));
+        });
+    }
 }
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