Index: Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.KernelWrapper.Test/Kernels/AssemblyToolKernelWrapperFactoryTest.cs
===================================================================
diff -u -rbc85d5aa0b1c0eefd837eb1f12b392305ab7a45e -rac3bbab8cdfee2bee4faeea59a40240e79c20d33
--- Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.KernelWrapper.Test/Kernels/AssemblyToolKernelWrapperFactoryTest.cs	(.../AssemblyToolKernelWrapperFactoryTest.cs)	(revision bc85d5aa0b1c0eefd837eb1f12b392305ab7a45e)
+++ Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.KernelWrapper.Test/Kernels/AssemblyToolKernelWrapperFactoryTest.cs	(.../AssemblyToolKernelWrapperFactoryTest.cs)	(revision ac3bbab8cdfee2bee4faeea59a40240e79c20d33)
@@ -21,6 +21,7 @@
 
 using NUnit.Framework;
 using Ringtoets.AssemblyTool.KernelWrapper.Kernels;
+using Ringtoets.AssemblyTool.KernelWrapper.TestUtil.Kernels;
 
 namespace Ringtoets.AssemblyTool.KernelWrapper.Test.Kernels
 {
@@ -50,5 +51,19 @@
             // Assert
             Assert.AreNotSame(firstFactory, secondFactory);
         }
+
+        [Test]
+        public void Instance_WhenSetToInstance_ReturnsThatInstance()
+        {
+            // Setup
+            var firstFactory = new TestAssemblyToolKernelFactory();
+            AssemblyToolKernelWrapperFactory.Instance = firstFactory;
+
+            // Call
+            IAssemblyToolKernelFactory secondFactory = AssemblyToolKernelWrapperFactory.Instance;
+
+            // Assert
+            Assert.AreSame(firstFactory, secondFactory);
+        }
     }
 }
\ No newline at end of file
Index: Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.KernelWrapper.Test/Ringtoets.AssemblyTool.KernelWrapper.Test.csproj
===================================================================
diff -u -r7b2dd0c4744b58ea6bf4bfe108d3f6fb487f2d3e -rac3bbab8cdfee2bee4faeea59a40240e79c20d33
--- Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.KernelWrapper.Test/Ringtoets.AssemblyTool.KernelWrapper.Test.csproj	(.../Ringtoets.AssemblyTool.KernelWrapper.Test.csproj)	(revision 7b2dd0c4744b58ea6bf4bfe108d3f6fb487f2d3e)
+++ Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.KernelWrapper.Test/Ringtoets.AssemblyTool.KernelWrapper.Test.csproj	(.../Ringtoets.AssemblyTool.KernelWrapper.Test.csproj)	(revision ac3bbab8cdfee2bee4faeea59a40240e79c20d33)
@@ -30,5 +30,9 @@
       <Project>{358B6DA2-A1DF-477F-B6AC-C30204265CB0}</Project>
       <Name>Ringtoets.AssemblyTool.KernelWrapper</Name>
     </ProjectReference>
+    <ProjectReference Include="..\Ringtoets.AssemblyTool.KernelWrapper.TestUtil\Ringtoets.AssemblyTool.KernelWrapper.TestUtil.csproj">
+      <Project>{0AB432BB-E2CC-42EA-A72C-7AFEF7536B38}</Project>
+      <Name>Ringtoets.AssemblyTool.KernelWrapper.TestUtil</Name>
+    </ProjectReference>
   </ItemGroup>
 </Project>
\ No newline at end of file
Index: Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.KernelWrapper.TestUtil.Test/Kernels/CategoryBoundaries/AssemblyCategoryBoundariesKernelStubTest.cs
===================================================================
diff -u
--- Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.KernelWrapper.TestUtil.Test/Kernels/CategoryBoundaries/AssemblyCategoryBoundariesKernelStubTest.cs	(revision 0)
+++ Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.KernelWrapper.TestUtil.Test/Kernels/CategoryBoundaries/AssemblyCategoryBoundariesKernelStubTest.cs	(revision ac3bbab8cdfee2bee4faeea59a40240e79c20d33)
@@ -0,0 +1,41 @@
+// Copyright (C) Stichting Deltares 2017. 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 NUnit.Framework;
+using Ringtoets.AssemblyTool.KernelWrapper.Kernels.CategoryBoundaries;
+using Ringtoets.AssemblyTool.KernelWrapper.TestUtil.Kernels.CategoryBoundaries;
+
+namespace Ringtoets.AssemblyTool.KernelWrapper.TestUtil.Test.Kernels.CategoryBoundaries
+{
+    [TestFixture]
+    public class AssemblyCategoryBoundariesKernelStubTest
+    {
+        [Test]
+        public void Constructor_ExpectedValues()
+        {
+            // Call
+            var kernelStub = new AssemblyCategoryBoundariesKernelStub();
+
+            // Assert
+            Assert.IsInstanceOf<IAssemblyCategoryBoundariesKernel>(kernelStub);
+        }
+    }
+}
\ No newline at end of file
Index: Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.KernelWrapper.TestUtil.Test/Kernels/TestAssemblyToolKernelFactoryTest.cs
===================================================================
diff -u
--- Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.KernelWrapper.TestUtil.Test/Kernels/TestAssemblyToolKernelFactoryTest.cs	(revision 0)
+++ Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.KernelWrapper.TestUtil.Test/Kernels/TestAssemblyToolKernelFactoryTest.cs	(revision ac3bbab8cdfee2bee4faeea59a40240e79c20d33)
@@ -0,0 +1,56 @@
+// Copyright (C) Stichting Deltares 2017. 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 NUnit.Framework;
+using Ringtoets.AssemblyTool.KernelWrapper.Kernels;
+using Ringtoets.AssemblyTool.KernelWrapper.Kernels.CategoryBoundaries;
+using Ringtoets.AssemblyTool.KernelWrapper.TestUtil.Kernels;
+
+namespace Ringtoets.AssemblyTool.KernelWrapper.TestUtil.Test.Kernels
+{
+    [TestFixture]
+    public class TestAssemblyToolKernelFactoryTest
+    {
+        [Test]
+        public void Constructor_ExpectedProperties()
+        {
+            // Call
+            var factory = new TestAssemblyToolKernelFactory();
+
+            // Assert
+            Assert.IsInstanceOf<IAssemblyToolKernelFactory>(factory);
+            Assert.IsNotNull(factory.LastCreatedAssemblyCategoryBoundariesKernel);
+        }
+
+        [Test]
+        public void CreateAssemblyCategoryBoundariesKernel_Always_ReturnLastCreatedAssemblyCategoryBoundariesKernel()
+        {
+            // Setup
+            var factory = new TestAssemblyToolKernelFactory();
+
+            // Call
+            IAssemblyCategoryBoundariesKernel kernel = factory.CreateAssemblyCategoryBoundariesKernel();
+
+            // Assert
+            Assert.AreSame(factory.LastCreatedAssemblyCategoryBoundariesKernel, kernel);
+        }
+    }
+}
\ No newline at end of file
Index: Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.KernelWrapper.TestUtil.Test/Ringtoets.AssemblyTool.KernelWrapper.TestUtil.Test.csproj
===================================================================
diff -u -r7b2dd0c4744b58ea6bf4bfe108d3f6fb487f2d3e -rac3bbab8cdfee2bee4faeea59a40240e79c20d33
--- Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.KernelWrapper.TestUtil.Test/Ringtoets.AssemblyTool.KernelWrapper.TestUtil.Test.csproj	(.../Ringtoets.AssemblyTool.KernelWrapper.TestUtil.Test.csproj)	(revision 7b2dd0c4744b58ea6bf4bfe108d3f6fb487f2d3e)
+++ Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.KernelWrapper.TestUtil.Test/Ringtoets.AssemblyTool.KernelWrapper.TestUtil.Test.csproj	(.../Ringtoets.AssemblyTool.KernelWrapper.TestUtil.Test.csproj)	(revision ac3bbab8cdfee2bee4faeea59a40240e79c20d33)
@@ -7,15 +7,31 @@
   </PropertyGroup>
   <Import Project="$(SolutionDir)\build\Ringtoets_Test.targets" />
   <ItemGroup>
+    <Reference Include="nunit.framework, Version=3.9.0.0, Culture=neutral, PublicKeyToken=2638cd05610744eb, processorArchitecture=MSIL">
+      <HintPath>..\..\..\..\packages\NUnit.3.9.0\lib\net40\nunit.framework.dll</HintPath>
+    </Reference>
     <Reference Include="System" />
     <Reference Include="System.Core" />
   </ItemGroup>
   <ItemGroup>
+    <Compile Include="Kernels\CategoryBoundaries\AssemblyCategoryBoundariesKernelStubTest.cs" />
+    <Compile Include="Kernels\TestAssemblyToolKernelFactoryTest.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
   </ItemGroup>
   <ItemGroup>
     <None Include="..\..\..\..\build\Copying.licenseheader">
       <Link>Copying.licenseheader</Link>
     </None>
+    <None Include="packages.config" />
   </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\..\src\Ringtoets.AssemblyTool.KernelWrapper\Ringtoets.AssemblyTool.KernelWrapper.csproj">
+      <Project>{358B6DA2-A1DF-477F-B6AC-C30204265CB0}</Project>
+      <Name>Ringtoets.AssemblyTool.KernelWrapper</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\Ringtoets.AssemblyTool.KernelWrapper.TestUtil\Ringtoets.AssemblyTool.KernelWrapper.TestUtil.csproj">
+      <Project>{0AB432BB-E2CC-42EA-A72C-7AFEF7536B38}</Project>
+      <Name>Ringtoets.AssemblyTool.KernelWrapper.TestUtil</Name>
+    </ProjectReference>
+  </ItemGroup>
 </Project>
\ No newline at end of file
Index: Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.KernelWrapper.TestUtil.Test/packages.config
===================================================================
diff -u
--- Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.KernelWrapper.TestUtil.Test/packages.config	(revision 0)
+++ Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.KernelWrapper.TestUtil.Test/packages.config	(revision ac3bbab8cdfee2bee4faeea59a40240e79c20d33)
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+Copyright (C) Stichting Deltares 2017. 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.
+-->
+
+<packages>
+  <package id="NUnit" version="3.9.0" targetFramework="net40" />
+</packages>
\ No newline at end of file
Index: Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.KernelWrapper.TestUtil/Kernels/CategoryBoundaries/AssemblyCategoryBoundariesKernelStub.cs
===================================================================
diff -u
--- Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.KernelWrapper.TestUtil/Kernels/CategoryBoundaries/AssemblyCategoryBoundariesKernelStub.cs	(revision 0)
+++ Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.KernelWrapper.TestUtil/Kernels/CategoryBoundaries/AssemblyCategoryBoundariesKernelStub.cs	(revision ac3bbab8cdfee2bee4faeea59a40240e79c20d33)
@@ -0,0 +1,30 @@
+// Copyright (C) Stichting Deltares 2017. 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 Ringtoets.AssemblyTool.KernelWrapper.Kernels.CategoryBoundaries;
+
+namespace Ringtoets.AssemblyTool.KernelWrapper.TestUtil.Kernels.CategoryBoundaries
+{
+    /// <summary>
+    /// Assembly category boundaries kernel stub for testing purposes.
+    /// </summary>
+    public class AssemblyCategoryBoundariesKernelStub : IAssemblyCategoryBoundariesKernel {}
+}
\ No newline at end of file
Index: Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.KernelWrapper.TestUtil/Kernels/TestAssemblyToolKernelFactory.cs
===================================================================
diff -u
--- Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.KernelWrapper.TestUtil/Kernels/TestAssemblyToolKernelFactory.cs	(revision 0)
+++ Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.KernelWrapper.TestUtil/Kernels/TestAssemblyToolKernelFactory.cs	(revision ac3bbab8cdfee2bee4faeea59a40240e79c20d33)
@@ -0,0 +1,51 @@
+// Copyright (C) Stichting Deltares 2017. 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 Ringtoets.AssemblyTool.KernelWrapper.Kernels;
+using Ringtoets.AssemblyTool.KernelWrapper.Kernels.CategoryBoundaries;
+using Ringtoets.AssemblyTool.KernelWrapper.TestUtil.Kernels.CategoryBoundaries;
+
+namespace Ringtoets.AssemblyTool.KernelWrapper.TestUtil.Kernels
+{
+    /// <summary>
+    /// Factory that creates assembly tool kernel stubs for testing purposes.
+    /// </summary>
+    public class TestAssemblyToolKernelFactory : IAssemblyToolKernelFactory
+    {
+        /// <summary>
+        /// Creates a new instance of <see cref="TestAssemblyToolKernelFactory"/>.
+        /// </summary>
+        public TestAssemblyToolKernelFactory()
+        {
+            LastCreatedAssemblyCategoryBoundariesKernel = new AssemblyCategoryBoundariesKernelStub();
+        }
+
+        /// <summary>
+        /// The last created assembly category boundaries kernel.
+        /// </summary>
+        public IAssemblyCategoryBoundariesKernel LastCreatedAssemblyCategoryBoundariesKernel { get; }
+
+        public IAssemblyCategoryBoundariesKernel CreateAssemblyCategoryBoundariesKernel()
+        {
+            return LastCreatedAssemblyCategoryBoundariesKernel;
+        }
+    }
+}
\ No newline at end of file
Index: Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.KernelWrapper.TestUtil/Ringtoets.AssemblyTool.KernelWrapper.TestUtil.csproj
===================================================================
diff -u -r7b2dd0c4744b58ea6bf4bfe108d3f6fb487f2d3e -rac3bbab8cdfee2bee4faeea59a40240e79c20d33
--- Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.KernelWrapper.TestUtil/Ringtoets.AssemblyTool.KernelWrapper.TestUtil.csproj	(.../Ringtoets.AssemblyTool.KernelWrapper.TestUtil.csproj)	(revision 7b2dd0c4744b58ea6bf4bfe108d3f6fb487f2d3e)
+++ Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.KernelWrapper.TestUtil/Ringtoets.AssemblyTool.KernelWrapper.TestUtil.csproj	(.../Ringtoets.AssemblyTool.KernelWrapper.TestUtil.csproj)	(revision ac3bbab8cdfee2bee4faeea59a40240e79c20d33)
@@ -11,11 +11,19 @@
     <Reference Include="System.Core" />
   </ItemGroup>
   <ItemGroup>
+    <Compile Include="Kernels\CategoryBoundaries\AssemblyCategoryBoundariesKernelStub.cs" />
+    <Compile Include="Kernels\TestAssemblyToolKernelFactory.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
   </ItemGroup>
   <ItemGroup>
     <None Include="..\..\..\..\build\Copying.licenseheader">
       <Link>Copying.licenseheader</Link>
     </None>
   </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\..\src\Ringtoets.AssemblyTool.KernelWrapper\Ringtoets.AssemblyTool.KernelWrapper.csproj">
+      <Project>{358B6DA2-A1DF-477F-B6AC-C30204265CB0}</Project>
+      <Name>Ringtoets.AssemblyTool.KernelWrapper</Name>
+    </ProjectReference>
+  </ItemGroup>
 </Project>
\ No newline at end of file