Index: Ringtoets/Common/test/Ringtoets.Common.Service.TestUtil.Test/BreakWaterTypeHelperTest.cs
===================================================================
diff -u
--- Ringtoets/Common/test/Ringtoets.Common.Service.TestUtil.Test/BreakWaterTypeHelperTest.cs	(revision 0)
+++ Ringtoets/Common/test/Ringtoets.Common.Service.TestUtil.Test/BreakWaterTypeHelperTest.cs	(revision 3e308fc0e45b85abaf45888468beed0c5c3c22c0)
@@ -0,0 +1,45 @@
+// 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.Common.Data.DikeProfiles;
+
+namespace Ringtoets.Common.Service.TestUtil.Test
+{
+    [TestFixture]
+    public class BreakWaterTypeHelperTest
+    {
+        [Test]
+        [TestCase((BreakWaterType) 0, 0)]
+        [TestCase(BreakWaterType.Caisson, 1)]
+        [TestCase(BreakWaterType.Wall, 2)]
+        [TestCase(BreakWaterType.Dam, 3)]
+        [TestCase((BreakWaterType) 99, 0)]
+        public void GetHydraRingBreakWaterType(BreakWaterType breakWaterType, int expectedBreakWaterType)
+        {
+            // Call
+            int actualBreakWaterType = BreakWaterTypeHelper.GetHydraRingBreakWaterType(breakWaterType);
+
+            // Assert
+            Assert.AreEqual(expectedBreakWaterType, actualBreakWaterType);
+        }
+    }
+}
\ No newline at end of file
Index: Ringtoets/Common/test/Ringtoets.Common.Service.TestUtil.Test/Ringtoets.Common.Service.TestUtil.Test.csproj
===================================================================
diff -u -r04f5526f955c773d4987e820e2aca2614dfbd8d8 -r3e308fc0e45b85abaf45888468beed0c5c3c22c0
--- Ringtoets/Common/test/Ringtoets.Common.Service.TestUtil.Test/Ringtoets.Common.Service.TestUtil.Test.csproj	(.../Ringtoets.Common.Service.TestUtil.Test.csproj)	(revision 04f5526f955c773d4987e820e2aca2614dfbd8d8)
+++ Ringtoets/Common/test/Ringtoets.Common.Service.TestUtil.Test/Ringtoets.Common.Service.TestUtil.Test.csproj	(.../Ringtoets.Common.Service.TestUtil.Test.csproj)	(revision 3e308fc0e45b85abaf45888468beed0c5c3c22c0)
@@ -46,6 +46,7 @@
     <Compile Include="..\..\..\..\Core\Common\src\Core.Common.Version\GlobalAssembly.cs">
       <Link>Properties\GlobalAssembly.cs</Link>
     </Compile>
+    <Compile Include="BreakWaterTypeHelperTest.cs" />
     <Compile Include="CalculationServiceTestHelperTest.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="TestStructureValidationRulesRegistryTest.cs" />
Index: Ringtoets/Common/test/Ringtoets.Common.Service.TestUtil/BreakWaterTypeHelper.cs
===================================================================
diff -u
--- Ringtoets/Common/test/Ringtoets.Common.Service.TestUtil/BreakWaterTypeHelper.cs	(revision 0)
+++ Ringtoets/Common/test/Ringtoets.Common.Service.TestUtil/BreakWaterTypeHelper.cs	(revision 3e308fc0e45b85abaf45888468beed0c5c3c22c0)
@@ -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.Common.Data.DikeProfiles;
+
+namespace Ringtoets.Common.Service.TestUtil
+{
+    /// <summary>
+    /// A helper to be used while asserting Hydra-Ring break water types.
+    /// </summary>
+    public static class BreakWaterTypeHelper
+    {
+        /// <summary>
+        /// Gets the Hydra-Ring integer value corresponding to <paramref name="type"/>.
+        /// </summary>
+        /// <param name="type">The <see cref="BreakWaterType"/> to get the Hydra-Ring value for.</param>
+        /// <returns>A Hydra-Ring specific integer value.</returns>
+        public static int GetHydraRingBreakWaterType(BreakWaterType type)
+        {
+            switch (type)
+            {
+                case BreakWaterType.Caisson:
+                    return 1;
+                case BreakWaterType.Wall:
+                    return 2;
+                case BreakWaterType.Dam:
+                    return 3;
+                default:
+                    return 0;
+            }
+        }
+    }
+}
\ No newline at end of file
Index: Ringtoets/Common/test/Ringtoets.Common.Service.TestUtil/Ringtoets.Common.Service.TestUtil.csproj
===================================================================
diff -u -r04f5526f955c773d4987e820e2aca2614dfbd8d8 -r3e308fc0e45b85abaf45888468beed0c5c3c22c0
--- Ringtoets/Common/test/Ringtoets.Common.Service.TestUtil/Ringtoets.Common.Service.TestUtil.csproj	(.../Ringtoets.Common.Service.TestUtil.csproj)	(revision 04f5526f955c773d4987e820e2aca2614dfbd8d8)
+++ Ringtoets/Common/test/Ringtoets.Common.Service.TestUtil/Ringtoets.Common.Service.TestUtil.csproj	(.../Ringtoets.Common.Service.TestUtil.csproj)	(revision 3e308fc0e45b85abaf45888468beed0c5c3c22c0)
@@ -46,6 +46,7 @@
     <Compile Include="..\..\..\..\Core\Common\src\Core.Common.Version\GlobalAssembly.cs">
       <Link>Properties\GlobalAssembly.cs</Link>
     </Compile>
+    <Compile Include="BreakWaterTypeHelper.cs" />
     <Compile Include="CalculationServiceTestHelper.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="TestStructureValidationRulesRegistry.cs" />