Index: src/Deltares.DSoilModel.Forms/SosSoilLayer1DControl.cs
===================================================================
diff -u -r6 -r359
--- src/Deltares.DSoilModel.Forms/SosSoilLayer1DControl.cs	(.../SosSoilLayer1DControl.cs)	(revision 6)
+++ src/Deltares.DSoilModel.Forms/SosSoilLayer1DControl.cs	(.../SosSoilLayer1DControl.cs)	(revision 359)
@@ -2,7 +2,6 @@
 using Deltares.DSoilModel.Data;
 using Deltares.Geotechnics;
 using Deltares.Geotechnics.Forms;
-using Deltares.Standard;
 using Deltares.Standard.Forms;
 using Deltares.Standard.Forms.DExpress;
 
Index: src/Deltares.DSoilModel.Forms.Tests/Deltares.DSoilModel.Forms.Tests.csproj
===================================================================
diff -u -r353 -r359
--- src/Deltares.DSoilModel.Forms.Tests/Deltares.DSoilModel.Forms.Tests.csproj	(.../Deltares.DSoilModel.Forms.Tests.csproj)	(revision 353)
+++ src/Deltares.DSoilModel.Forms.Tests/Deltares.DSoilModel.Forms.Tests.csproj	(.../Deltares.DSoilModel.Forms.Tests.csproj)	(revision 359)
@@ -109,6 +109,7 @@
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="SoilProfile1DLookup2DControlTest.cs" />
     <Compile Include="SoilSegmentSplitLocationControlTests.cs" />
+    <Compile Include="SosSoilLayer1DControlTests.cs" />
     <Compile Include="SosSoilProfile1DControlTest.cs" />
     <Compile Include="SpecificMechanismPointLocationControlTests.cs" />
   </ItemGroup>
Index: src/Deltares.DSoilModel.Forms.Tests/SosSoilLayer1DControlTests.cs
===================================================================
diff -u
--- src/Deltares.DSoilModel.Forms.Tests/SosSoilLayer1DControlTests.cs	(revision 0)
+++ src/Deltares.DSoilModel.Forms.Tests/SosSoilLayer1DControlTests.cs	(revision 359)
@@ -0,0 +1,87 @@
+using System.Drawing;
+using Deltares.DSoilModel.Data;
+using Deltares.Geotechnics;
+using Deltares.Standard.Forms;
+using NUnit.Framework;
+
+namespace Deltares.DSoilModel.Forms.Tests
+{
+    [TestFixture, RequiresSTA]
+    class SosSoilLayer1DControlTests : ControlTester
+    {
+        protected override IPropertyControl CreatePropertyControl()
+        {
+            return new SosSoilLayer1DControl();
+        }
+
+        [Test]
+        public void ControlBindingsTest()
+        {
+            var layer = new SosSoilLayer1D
+            {
+                TopLevel = 9.9,
+//                BottomLevel = 1.1,
+                MaximumTopLevel = 9,
+                MinimumTopLevel = -1,
+                RemarkTopLevel = "remark testSos1",
+                IsAquifer = true,
+                Soil = new Soil("TestSoil1", Color.Beige)
+            };
+
+            SoilLayer.DomainProvider = new DSoilModelProject();
+
+            PropertyControl.SelectedObject = layer;
+
+            //BindSupport.BindTextAndValue(this, , , typeof(SosSoilLayer1D), "Soil");
+            TestLabelControlVisibleValue(PropertyControl, "SoilLabel", true, "Grondsoort");
+//            TestTextEditVisibleEnabledValue(PropertyControl, "SoilEdit", true, true, layer, l => l.Soil, new Soil()); // TODO: combobox without signs of the soil data
+
+            TestLabelControlVisibleValue(PropertyControl, "TopLabel", true, "Bovenkant [m NAP]");
+            TestSpinEditVisibleEnabledValue(PropertyControl, "TopEdit", true, true, layer, l => l.TopLevel, 9.1);
+            TestLabelControlVisibleValue(PropertyControl, "BottomLabel", true, "Onderkant [m NAP]");
+//            TestSpinEditVisibleEnabledValue(PropertyControl, "BottomEdit", true, true, layer, l => l.BottomLevel, 2.2); // TODO: crazy property
+            TestLabelControlVisibleValue(PropertyControl, "HeightLabel", true, "Hoogte [m]");
+            TestSpinEditVisibleEnabledValue(PropertyControl, "HeightEdit", true, false, layer, l => l.Height); // only getter
+            TestLabelControlVisibleValue(PropertyControl, "MaxDepthTopLevelLabel", true, "Maximale waarde bovenkant [m]");
+//            TestSpinEditVisibleEnabledValue(PropertyControl, "MaxDepthTopLevelEdit", true, false, layer, l => l.MaximumTopLevel);  // TODO: null-able property
+            TestLabelControlVisibleValue(PropertyControl, "MinDepthTopLevelLabel", true, "Minimale waarde bovenkant [m]");
+//            TestSpinEditVisibleEnabledValue(PropertyControl, "MinDepthTopLevelEdit", true, false, layer, l => l.MinimumTopLevel);  // TODO: null-able property
+            TestLabelControlVisibleValue(PropertyControl, "RemarkTopLevelLabel", true, "Opmerking");
+            TestTextEditVisibleEnabledValue(PropertyControl, "RemarkTopLevelEdit", true, false, layer, l => l.RemarkTopLevel, "Other remark");
+
+            TestCheckEditVisibleEnabledValue(PropertyControl, "AquiferCheckEdit", true, true, layer, l => l.IsAquifer, "Is aquifer", false);
+        }
+
+        [Test]
+        public void TestSelectedObject_SosSoilLayer1D()
+        {
+            var layer = new SosSoilLayer1D();
+            SoilLayer.DomainProvider = new DSoilModelProject();
+
+            Assert.AreNotSame(layer, PropertyControl.SelectedObject);
+
+            PropertyControl.SelectedObject = layer;
+            Assert.AreSame(layer, PropertyControl.SelectedObject);
+        }
+
+        [Test]
+        public void TestSelectedObject_SoilLayerSurface()
+        {
+            SoilLayer.DomainProvider = new DSoilModelProject();
+
+            var layerSurface = new SoilLayerSurface();
+            layerSurface.SoilLayer = new SosSoilLayer1D();
+
+            Assert.AreNotSame(layerSurface.SoilLayer, PropertyControl.SelectedObject);
+
+            PropertyControl.SelectedObject = layerSurface;
+            Assert.AreSame(layerSurface.SoilLayer, PropertyControl.SelectedObject);
+        }
+
+        [Test]
+        public void TestIsVisible_AlwaysTrue()
+        {
+            Assert.IsTrue(PropertyControl.IsVisible);
+        }
+    }
+}