Index: DamEngine/trunk/src/Deltares.DamEngine.Data.Tests/Geotechnics/SoilProfile2DTests.cs
===================================================================
diff -u -r6404 -r7060
--- DamEngine/trunk/src/Deltares.DamEngine.Data.Tests/Geotechnics/SoilProfile2DTests.cs	(.../SoilProfile2DTests.cs)	(revision 6404)
+++ DamEngine/trunk/src/Deltares.DamEngine.Data.Tests/Geotechnics/SoilProfile2DTests.cs	(.../SoilProfile2DTests.cs)	(revision 7060)
@@ -141,8 +141,31 @@
         });
     }
 
-    private static void CompareSoilProfile2D(SoilProfile2D sourceSoilProfile2D, SoilProfile2D targetSoilProfile2D)
+    [Test]
+    public void GivenSoilProfile2DWithHole_WhenDetermining1DProfileAlongTheHole_ReturnsHoleAsEmptySoil()
     {
+        // Given
+        SoilProfile2D soilProfile2D = FactoryForSoilProfiles.CreateSoilProfile2DWithHole();
+        
+        // When
+        SoilProfile1D soilProfile1D = soilProfile2D.GetSoilProfile1D(25);
+
+        // Then
+        Assert.That(soilProfile1D.Layers, Has.Count.EqualTo(3));
+        Assert.Multiple(() =>
+        {
+            Assert.That(soilProfile1D.Layers[0].TopLevel, Is.EqualTo(10).Within(precison10Decimals));
+            Assert.That(soilProfile1D.Layers[0].Soil.Name, Is.EqualTo("Soil 1"));
+            Assert.That(soilProfile1D.Layers[1].TopLevel, Is.EqualTo(0).Within(precison10Decimals));
+            Assert.That(soilProfile1D.Layers[1].Soil, Is.Null);
+            Assert.That(soilProfile1D.Layers[2].TopLevel, Is.EqualTo(-10).Within(precison10Decimals));
+            Assert.That(soilProfile1D.Layers[2].Soil.Name, Is.EqualTo("Soil 3"));
+            Assert.That(soilProfile1D.BottomLevel, Is.EqualTo(-20).Within(precison10Decimals));
+        });
+    }
+
+private static void CompareSoilProfile2D(SoilProfile2D sourceSoilProfile2D, SoilProfile2D targetSoilProfile2D)
+    {
         Assert.That(targetSoilProfile2D, Is.Not.SameAs(sourceSoilProfile2D));
         var compare = new CompareLogic
         {