Index: Ringtoets.sln
===================================================================
diff -u -r44eb76bb24f02be0f2fc2fac812e97263c1cf7d1 -ra25fee8308d0825ee0bc7e287304a78cad473fc6
--- Ringtoets.sln	(.../Ringtoets.sln)	(revision 44eb76bb24f02be0f2fc2fac812e97263c1cf7d1)
+++ Ringtoets.sln	(.../Ringtoets.sln)	(revision a25fee8308d0825ee0bc7e287304a78cad473fc6)
@@ -1997,7 +1997,7 @@
 		{C90B77DA-E421-43CC-B82E-529651BC21AC} = {C90B77DA-E421-43CC-B82E-529651BC21AC}
 	EndProjectSection
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Riskeer.AssemblyTool.IO.TestUtil.Test", "Ringtoets\AssemblyTool\test\Ringtoets.AssemblyTool.IO.TestUtil.Test\Riskeer.AssemblyTool.IO.TestUtil.Test.csproj", "{13622063-46EC-41FA-8DB8-D8C11B6C802A}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Riskeer.AssemblyTool.IO.TestUtil.Test", "Ringtoets\AssemblyTool\test\Riskeer.AssemblyTool.IO.TestUtil.Test\Riskeer.AssemblyTool.IO.TestUtil.Test.csproj", "{13622063-46EC-41FA-8DB8-D8C11B6C802A}"
 	ProjectSection(ProjectDependencies) = postProject
 		{C90B77DA-E421-43CC-B82E-529651BC21AC} = {C90B77DA-E421-43CC-B82E-529651BC21AC}
 	EndProjectSection
Fisheye: Tag a25fee8308d0825ee0bc7e287304a78cad473fc6 refers to a dead (removed) revision in file `Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.IO.TestUtil.Test/InvalidIdTestHelperTest.cs'.
Fisheye: No comparison available.  Pass `N' to diff?
Fisheye: Tag a25fee8308d0825ee0bc7e287304a78cad473fc6 refers to a dead (removed) revision in file `Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.IO.TestUtil.Test/Properties/AssemblyInfo.cs'.
Fisheye: No comparison available.  Pass `N' to diff?
Fisheye: Tag a25fee8308d0825ee0bc7e287304a78cad473fc6 refers to a dead (removed) revision in file `Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.IO.TestUtil.Test/Riskeer.AssemblyTool.IO.TestUtil.Test.csproj'.
Fisheye: No comparison available.  Pass `N' to diff?
Fisheye: Tag a25fee8308d0825ee0bc7e287304a78cad473fc6 refers to a dead (removed) revision in file `Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.IO.TestUtil.Test/packages.config'.
Fisheye: No comparison available.  Pass `N' to diff?
Index: Ringtoets/AssemblyTool/test/Riskeer.AssemblyTool.IO.TestUtil.Test/InvalidIdTestHelperTest.cs
===================================================================
diff -u
--- Ringtoets/AssemblyTool/test/Riskeer.AssemblyTool.IO.TestUtil.Test/InvalidIdTestHelperTest.cs	(revision 0)
+++ Ringtoets/AssemblyTool/test/Riskeer.AssemblyTool.IO.TestUtil.Test/InvalidIdTestHelperTest.cs	(revision a25fee8308d0825ee0bc7e287304a78cad473fc6)
@@ -0,0 +1,50 @@
+// Copyright (C) Stichting Deltares 2018. 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.Collections.Generic;
+using System.Linq;
+using NUnit.Framework;
+
+namespace Riskeer.AssemblyTool.IO.TestUtil.Test
+{
+    [TestFixture]
+    public class InvalidIdTestHelperTest
+    {
+        [Test]
+        public void InvalidIdCases_Always_ReturnsExpectedCases()
+        {
+            // Call
+            IEnumerable<TestCaseData> testCases = InvalidIdTestHelper.InvalidIdCases.ToArray();
+
+            // Assert
+
+            CollectionAssert.AreEqual(new[]
+            {
+                null,
+                "",
+                "   ",
+                "1nvalidId",
+                "invalidId#",
+                "invalid\rId"
+            }, testCases.Select(tc => tc.Arguments[0]));
+        }
+    }
+}
\ No newline at end of file
Index: Ringtoets/AssemblyTool/test/Riskeer.AssemblyTool.IO.TestUtil.Test/Properties/AssemblyInfo.cs
===================================================================
diff -u
--- Ringtoets/AssemblyTool/test/Riskeer.AssemblyTool.IO.TestUtil.Test/Properties/AssemblyInfo.cs	(revision 0)
+++ Ringtoets/AssemblyTool/test/Riskeer.AssemblyTool.IO.TestUtil.Test/Properties/AssemblyInfo.cs	(revision a25fee8308d0825ee0bc7e287304a78cad473fc6)
@@ -0,0 +1,25 @@
+// Copyright (C) Stichting Deltares 2018. 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.Reflection;
+
+[assembly: AssemblyTitle("Riskeer.AssemblyTool.IO.TestUtil.Test")]
+[assembly: AssemblyProduct("Riskeer.AssemblyTool.IO.TestUtil.Test")]
\ No newline at end of file
Index: Ringtoets/AssemblyTool/test/Riskeer.AssemblyTool.IO.TestUtil.Test/Riskeer.AssemblyTool.IO.TestUtil.Test.csproj
===================================================================
diff -u
--- Ringtoets/AssemblyTool/test/Riskeer.AssemblyTool.IO.TestUtil.Test/Riskeer.AssemblyTool.IO.TestUtil.Test.csproj	(revision 0)
+++ Ringtoets/AssemblyTool/test/Riskeer.AssemblyTool.IO.TestUtil.Test/Riskeer.AssemblyTool.IO.TestUtil.Test.csproj	(revision a25fee8308d0825ee0bc7e287304a78cad473fc6)
@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup>
+    <ProjectGuid>{13622063-46EC-41FA-8DB8-D8C11B6C802A}</ProjectGuid>
+    <RootNamespace>Riskeer.AssemblyTool.IO.TestUtil.Test</RootNamespace>
+    <AssemblyName>Riskeer.AssemblyTool.IO.TestUtil.Test</AssemblyName>
+  </PropertyGroup>
+  <Import Project="$(SolutionDir)\build\Ringtoets_Test.targets" />
+  <ItemGroup>
+    <Reference Include="nunit.framework, Version=3.8.1.0, Culture=neutral, PublicKeyToken=2638cd05610744eb, processorArchitecture=MSIL">
+      <HintPath>..\..\..\..\packages\NUnit.3.8.1\lib\net40\nunit.framework.dll</HintPath>
+    </Reference>
+    <Reference Include="System" />
+    <Reference Include="System.Core" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="InvalidIdTestHelperTest.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="..\Ringtoets.AssemblyTool.IO.TestUtil\Riskeer.AssemblyTool.IO.TestUtil.csproj">
+      <Project>{C7023D25-F8DF-4E3F-BF5D-A8F961CC63F7}</Project>
+      <Name>Riskeer.AssemblyTool.IO.TestUtil</Name>
+    </ProjectReference>
+  </ItemGroup>
+</Project>
\ No newline at end of file
Index: Ringtoets/AssemblyTool/test/Riskeer.AssemblyTool.IO.TestUtil.Test/packages.config
===================================================================
diff -u
--- Ringtoets/AssemblyTool/test/Riskeer.AssemblyTool.IO.TestUtil.Test/packages.config	(revision 0)
+++ Ringtoets/AssemblyTool/test/Riskeer.AssemblyTool.IO.TestUtil.Test/packages.config	(revision a25fee8308d0825ee0bc7e287304a78cad473fc6)
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+Copyright (C) Stichting Deltares 2018. 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="3.8.1" targetFramework="net40" />
+</packages>
\ No newline at end of file