Index: Ringtoets/GrassCoverErosionOutwards/src/Ringtoets.GrassCoverErosionOutwards.Forms/PresentationObjects/GrassCoverErosionOutwardsContext.cs
===================================================================
diff -u
--- Ringtoets/GrassCoverErosionOutwards/src/Ringtoets.GrassCoverErosionOutwards.Forms/PresentationObjects/GrassCoverErosionOutwardsContext.cs	(revision 0)
+++ Ringtoets/GrassCoverErosionOutwards/src/Ringtoets.GrassCoverErosionOutwards.Forms/PresentationObjects/GrassCoverErosionOutwardsContext.cs	(revision 5387346fe4a7aa93e72d71f86c1e4d0a22a73f91)
@@ -0,0 +1,59 @@
+// Copyright (C) Stichting Deltares 2016. 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;
+using Core.Common.Controls.PresentationObjects;
+using Ringtoets.GrassCoverErosionOutwards.Data;
+
+namespace Ringtoets.GrassCoverErosionOutwards.Forms.PresentationObjects
+{
+    /// <summary>
+    /// Presentation object representing all required grass cover erosion outwards input knowledge
+    /// to configure and create related calculation objects.
+    /// </summary>
+    /// <typeparam name="T">The observable object type of the wrapped instance.</typeparam>
+    public abstract class GrassCoverErosionOutwardsContext<T> : ObservableWrappedObjectContextBase<T> where T : IObservable
+    {
+        /// <summary>
+        /// Creates a new instance of <see cref="GrassCoverErosionOutwardsContext{T}"/>.
+        /// </summary>
+        /// <param name="wrappedData">The concrete data instance wrapped by this context object.</param>
+        /// <param name="failureMechanism">The failure mechanism which the context belongs to.</param>
+        /// <exception cref="ArgumentNullException">Thrown when any paramater is <c>null</c>.</exception>
+        protected GrassCoverErosionOutwardsContext(T wrappedData,
+                                                   GrassCoverErosionOutwardsFailureMechanism failureMechanism)
+            : base(wrappedData)
+        {
+            if (failureMechanism == null)
+            {
+                throw new ArgumentNullException("failureMechanism");
+            }
+
+            FailureMechanism = failureMechanism;
+        }
+
+        /// <summary>
+        /// Gets the failure mechanism which the context belongs to.
+        /// </summary>
+        public GrassCoverErosionOutwardsFailureMechanism FailureMechanism { get; private set; }
+    }
+}
\ No newline at end of file
Index: Ringtoets/GrassCoverErosionOutwards/src/Ringtoets.GrassCoverErosionOutwards.Forms/Ringtoets.GrassCoverErosionOutwards.Forms.csproj
===================================================================
diff -u -r61a95ca656c72706f706099cfd00e9d57d7e45a1 -r5387346fe4a7aa93e72d71f86c1e4d0a22a73f91
--- Ringtoets/GrassCoverErosionOutwards/src/Ringtoets.GrassCoverErosionOutwards.Forms/Ringtoets.GrassCoverErosionOutwards.Forms.csproj	(.../Ringtoets.GrassCoverErosionOutwards.Forms.csproj)	(revision 61a95ca656c72706f706099cfd00e9d57d7e45a1)
+++ Ringtoets/GrassCoverErosionOutwards/src/Ringtoets.GrassCoverErosionOutwards.Forms/Ringtoets.GrassCoverErosionOutwards.Forms.csproj	(.../Ringtoets.GrassCoverErosionOutwards.Forms.csproj)	(revision 5387346fe4a7aa93e72d71f86c1e4d0a22a73f91)
@@ -44,6 +44,7 @@
     <Compile Include="..\..\..\..\Core\Common\src\Core.Common.Version\GlobalAssembly.cs">
       <Link>Properties\GlobalAssembly.cs</Link>
     </Compile>
+    <Compile Include="PresentationObjects\GrassCoverErosionOutwardsContext.cs" />
     <Compile Include="PresentationObjects\GrassCoverErosionOutwardsHydraulicBoundaryLocationContext.cs" />
     <Compile Include="PresentationObjects\GrassCoverErosionOutwardsWaveHeightLocationContext.cs" />
     <Compile Include="PresentationObjects\GrassCoverErosionOutwardsWaveHeightLocationsContext.cs" />
Index: Ringtoets/GrassCoverErosionOutwards/test/Ringtoets.GrassCoverErosionOutwards.Forms.Test/PresentationObjects/GrassCoverErosionOutwardsContextTest.cs
===================================================================
diff -u
--- Ringtoets/GrassCoverErosionOutwards/test/Ringtoets.GrassCoverErosionOutwards.Forms.Test/PresentationObjects/GrassCoverErosionOutwardsContextTest.cs	(revision 0)
+++ Ringtoets/GrassCoverErosionOutwards/test/Ringtoets.GrassCoverErosionOutwards.Forms.Test/PresentationObjects/GrassCoverErosionOutwardsContextTest.cs	(revision 5387346fe4a7aa93e72d71f86c1e4d0a22a73f91)
@@ -0,0 +1,93 @@
+// Copyright (C) Stichting Deltares 2016. 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;
+using Core.Common.Controls.PresentationObjects;
+using NUnit.Framework;
+using Rhino.Mocks;
+using Ringtoets.GrassCoverErosionOutwards.Data;
+using Ringtoets.GrassCoverErosionOutwards.Forms.PresentationObjects;
+
+namespace Ringtoets.GrassCoverErosionOutwards.Forms.Test.PresentationObjects
+{
+    [TestFixture]
+    public class GrassCoverErosionOutwardsContextTest
+    {
+        [Test]
+        public void Constructor_WrappedDataNull_ThrowArgumentNullException()
+        {
+            // Setup
+            var failureMechanism = new GrassCoverErosionOutwardsFailureMechanism();
+
+            // Call
+            TestDelegate call = () => new SimpleGrassCoverErosionOutwardsContext(null, failureMechanism);
+
+            // Assert
+            string paramName = Assert.Throws<ArgumentNullException>(call).ParamName;
+            Assert.AreEqual("wrappedData", paramName);
+        }
+
+        [Test]
+        public void Constructor_FailureMechanismNull_ThrowArgumentNullException()
+        {
+            // Setup
+            var mocks = new MockRepository();
+            var observable = mocks.Stub<IObservable>();
+            mocks.ReplayAll();
+
+            // Call
+            TestDelegate call = () => new SimpleGrassCoverErosionOutwardsContext(observable, null);
+
+            // Assert
+            string paramName = Assert.Throws<ArgumentNullException>(call).ParamName;
+            Assert.AreEqual("failureMechanism", paramName);
+            mocks.VerifyAll();
+        }
+
+        [Test]
+        public void Constructor_ExpectedValues()
+        {
+            // Setup
+            var mocks = new MockRepository();
+            var observable = mocks.Stub<IObservable>();
+            mocks.ReplayAll();
+
+            var failureMechanism = new GrassCoverErosionOutwardsFailureMechanism();
+
+            // Call
+            var context = new SimpleGrassCoverErosionOutwardsContext(observable, failureMechanism);
+
+            // Assert
+            Assert.IsInstanceOf<ObservableWrappedObjectContextBase<IObservable>>(context);
+            Assert.AreSame(observable, context.WrappedData);
+            Assert.AreSame(failureMechanism, context.FailureMechanism);
+            mocks.VerifyAll();
+        }
+
+        private class SimpleGrassCoverErosionOutwardsContext : GrassCoverErosionOutwardsContext<IObservable>
+        {
+            public SimpleGrassCoverErosionOutwardsContext(IObservable wrappedData,
+                                                          GrassCoverErosionOutwardsFailureMechanism failureMechanism)
+                : base(wrappedData, failureMechanism) {}
+        }
+    }
+}
\ No newline at end of file
Index: Ringtoets/GrassCoverErosionOutwards/test/Ringtoets.GrassCoverErosionOutwards.Forms.Test/Ringtoets.GrassCoverErosionOutwards.Forms.Test.csproj
===================================================================
diff -u -r61a95ca656c72706f706099cfd00e9d57d7e45a1 -r5387346fe4a7aa93e72d71f86c1e4d0a22a73f91
--- Ringtoets/GrassCoverErosionOutwards/test/Ringtoets.GrassCoverErosionOutwards.Forms.Test/Ringtoets.GrassCoverErosionOutwards.Forms.Test.csproj	(.../Ringtoets.GrassCoverErosionOutwards.Forms.Test.csproj)	(revision 61a95ca656c72706f706099cfd00e9d57d7e45a1)
+++ Ringtoets/GrassCoverErosionOutwards/test/Ringtoets.GrassCoverErosionOutwards.Forms.Test/Ringtoets.GrassCoverErosionOutwards.Forms.Test.csproj	(.../Ringtoets.GrassCoverErosionOutwards.Forms.Test.csproj)	(revision 5387346fe4a7aa93e72d71f86c1e4d0a22a73f91)
@@ -62,6 +62,7 @@
       <Link>Properties\GlobalAssembly.cs</Link>
     </Compile>
     <Compile Include="ExportInfos\HydraulicBoundariesGroupContextExportInfoTest.cs" />
+    <Compile Include="PresentationObjects\GrassCoverErosionOutwardsContextTest.cs" />
     <Compile Include="PresentationObjects\GrassCoverErosionOutwardsFailureMechanismContextTest.cs" />
     <Compile Include="PresentationObjects\GrassCoverErosionOutwardsWaveConditionsCalculationGroupContextTest.cs" />
     <Compile Include="PresentationObjects\GrassCoverErosionOutwardsHydraulicBoundaryLocationContextTest.cs" />
Index: Ringtoets/StabilityStoneCover/test/Ringtoets.StabilityStoneCover.Forms.Test/PresentationObjects/StabilityStoneCoverContextTest.cs
===================================================================
diff -u -r6c3a074511922fb175a1aa7f20168bbb6d63a688 -r5387346fe4a7aa93e72d71f86c1e4d0a22a73f91
--- Ringtoets/StabilityStoneCover/test/Ringtoets.StabilityStoneCover.Forms.Test/PresentationObjects/StabilityStoneCoverContextTest.cs	(.../StabilityStoneCoverContextTest.cs)	(revision 6c3a074511922fb175a1aa7f20168bbb6d63a688)
+++ Ringtoets/StabilityStoneCover/test/Ringtoets.StabilityStoneCover.Forms.Test/PresentationObjects/StabilityStoneCoverContextTest.cs	(.../StabilityStoneCoverContextTest.cs)	(revision 5387346fe4a7aa93e72d71f86c1e4d0a22a73f91)
@@ -21,6 +21,7 @@
 
 using System;
 using Core.Common.Base;
+using Core.Common.Controls.PresentationObjects;
 using NUnit.Framework;
 using Rhino.Mocks;
 using Ringtoets.Common.Data.AssessmentSection;
@@ -103,6 +104,7 @@
             var context = new SimpleStabilityStoneCoverContext(observable, failureMechanism, assessmentSection);
 
             // Assert
+            Assert.IsInstanceOf<ObservableWrappedObjectContextBase<IObservable>>(context);
             Assert.AreSame(observable, context.WrappedData);
             Assert.AreSame(assessmentSection, context.AssessmentSection);
             Assert.AreSame(failureMechanism, context.FailureMechanism);