Index: DamClients/DamUI/trunk/src/Dam/Tests/Deltares.Dam.Tests.csproj
===================================================================
diff -u -r2647 -r2778
--- DamClients/DamUI/trunk/src/Dam/Tests/Deltares.Dam.Tests.csproj	(.../Deltares.Dam.Tests.csproj)	(revision 2647)
+++ DamClients/DamUI/trunk/src/Dam/Tests/Deltares.Dam.Tests.csproj	(.../Deltares.Dam.Tests.csproj)	(revision 2778)
@@ -141,6 +141,7 @@
     <Compile Include="CsvImporterTestsNew.cs" />
     <Compile Include="DamAuthorizationTest.cs" />
     <Compile Include="DamProjectTest.cs" />
+    <Compile Include="Forms\DamContextTest.cs" />
     <Compile Include="Forms\DamSpatialEditorDecoratorTest.cs" />
     <Compile Include="IO\CombineImportedDataTest.cs" />
     <Compile Include="IO\DamProjectVersionXmlHandlerTests.cs" />
Index: DamClients/DamUI/trunk/src/Dam/Forms/DamContext.cs
===================================================================
diff -u -r2774 -r2778
--- DamClients/DamUI/trunk/src/Dam/Forms/DamContext.cs	(.../DamContext.cs)	(revision 2774)
+++ DamClients/DamUI/trunk/src/Dam/Forms/DamContext.cs	(.../DamContext.cs)	(revision 2778)
@@ -104,7 +104,7 @@
         /// Returns the possible named filters for a given type.
         /// </summary>
         /// <param name="type">A type for which named filters will be returned.</param>
-        /// <returns>A IEnumberable of the named filters or null if no named filters exists.</returns>
+        /// <returns>A <see cref="IEnumerable{T}"/> of the named filters or null if no named filters exists.</returns>
         public IEnumerable<string> GetColumnNamedFilters(Type type)
         {
             if (filters.ContainsKey(type))
Index: DamClients/DamUI/trunk/src/Dam/Tests/Forms/DamContextTest.cs
===================================================================
diff -u
--- DamClients/DamUI/trunk/src/Dam/Tests/Forms/DamContextTest.cs	(revision 0)
+++ DamClients/DamUI/trunk/src/Dam/Tests/Forms/DamContextTest.cs	(revision 2778)
@@ -0,0 +1,146 @@
+// Copyright (C) Stichting Deltares 2020. All rights reserved.
+//
+// This file is part of the application DAM - UI.
+//
+// DAM - UI 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 System.Collections.Generic;
+using Deltares.Dam.Data;
+using Deltares.Dam.Forms;
+using Deltares.Standard.Reflection;
+using NUnit.Framework;
+
+namespace Deltares.Dam.Tests.Forms
+{
+    [TestFixture]
+    public class DamContextTest
+    {
+        [Test]
+        public void GetColumnNamedFilters_WithArgumentNotScenarioType_ReturnsNull()
+        {
+            // Setup
+            var context = new DamContext();
+
+            // Call
+            var filter = context.GetColumnNamedFilters(typeof(object));
+
+            // Assert
+            Assert.IsNull(filter);
+        }
+
+        [Test]
+        public void GetColumnNamedFilter_WithScenarioArgument_ReturnsExpectedKeys()
+        {
+            // Setup
+            var context = new DamContext();
+
+            // Call
+            var columnNamedFilters = context.GetColumnNamedFilters(typeof(Scenario));
+
+            // Assert
+            CollectionAssert.AreEqual(new[]
+            {
+                "InsideStabilityScenarioCategory",
+                "PipingScenarioCategory",
+                "PlLineSchematizationScenarioCategory"
+            }, columnNamedFilters);
+        }
+
+        [Test]
+        [TestCaseSource(nameof(GetFilterOptions))]
+        public void GetFilteredColumns_WithValidArgument_GetsFilteredColumnNames(string filterValue,
+            IEnumerable<string> expectedColumnNames)
+        {
+            // Setup
+            var context = new DamContext();
+
+            // Call
+            var filteredColumnNames = context.GetFilteredColumns(typeof(Scenario), filterValue);
+
+            // Assert
+            CollectionAssert.AreEquivalent(expectedColumnNames, filteredColumnNames);
+        }
+
+        [Test]
+        [TestCaseSource(nameof(GetUnsupportedFilterArguments))]
+        public void GetFilteredColumns_WithUnsupportedArguments_ReturnsNull(Type argumentType, string filterValue)
+        {
+            // Setup
+            var context = new DamContext();
+
+            // Call
+            var filteredColumnNames = context.GetFilteredColumns(argumentType, filterValue);
+
+            // Assert
+           Assert.IsNull(filteredColumnNames);
+        }
+
+        private static IEnumerable<TestCaseData> GetFilterOptions()
+        {
+            yield return new TestCaseData("InsideStabilityScenarioCategory", new[]
+                {
+                    StaticReflection.GetMemberName<Scenario>(x => x.LocationScenarioID),
+                    StaticReflection.GetMemberName<Scenario>(x => x.RiverLevel),
+                    StaticReflection.GetMemberName<Scenario>(x => x.DikeTableHeight),
+                    StaticReflection.GetMemberName<Scenario>(x => x.RequiredSafetyFactorStabilityInnerSlope),
+                    StaticReflection.GetMemberName<Scenario>(x => x.HeadPl3),
+                    StaticReflection.GetMemberName<Scenario>(x => x.HeadPl4),
+                    StaticReflection.GetMemberName<Scenario>(x => x.PolderLevel)
+                })
+                .SetName("InsideStabilityScenarioCategory");
+
+            yield return new TestCaseData("PipingScenarioCategory", new[]
+                {
+                    StaticReflection.GetMemberName<Scenario>(x => x.LocationScenarioID),
+                    StaticReflection.GetMemberName<Scenario>(x => x.RiverLevel),
+                    StaticReflection.GetMemberName<Scenario>(x => x.DikeTableHeight),
+                    StaticReflection.GetMemberName<Scenario>(x => x.RequiredSafetyFactorPiping),
+                    StaticReflection.GetMemberName<Scenario>(x => x.HeadPl3),
+                    StaticReflection.GetMemberName<Scenario>(x => x.HeadPl4),
+                    StaticReflection.GetMemberName<Scenario>(x => x.PolderLevel)
+                })
+                .SetName("PipingScenarioCategory");
+
+            yield return new TestCaseData("PlLineSchematizationScenarioCategory", new[]
+                {
+                    StaticReflection.GetMemberName<Scenario>(x => x.LocationScenarioID),
+                    StaticReflection.GetMemberName<Scenario>(x => x.RiverLevel),
+                    StaticReflection.GetMemberName<Scenario>(x => x.PlLineOffsetBelowDikeTopAtRiver),
+                    StaticReflection.GetMemberName<Scenario>(x => x.PlLineOffsetBelowDikeTopAtPolder),
+                    StaticReflection.GetMemberName<Scenario>(x => x.PlLineOffsetBelowShoulderBaseInside),
+                    StaticReflection.GetMemberName<Scenario>(x => x.PlLineOffsetBelowDikeToeAtPolder),
+                    StaticReflection.GetMemberName<Scenario>(x => x.PlLineOffsetBelowDikeCrestMiddle),
+                    StaticReflection.GetMemberName<Scenario>(x => x.PlLineOffsetFactorBelowShoulderCrest),
+                    StaticReflection.GetMemberName<Scenario>(x => x.UsePlLineOffsetBelowDikeCrestMiddle),
+                    StaticReflection.GetMemberName<Scenario>(x => x.UsePlLineOffsetFactorBelowShoulderCrest),
+                    StaticReflection.GetMemberName<Scenario>(x => x.PolderLevel)
+                })
+                .SetName("PlLineSchematizationScenarioCategory");
+        }
+
+        private static IEnumerable<TestCaseData> GetUnsupportedFilterArguments()
+        {
+            yield return new TestCaseData(typeof(object), "PlLineSchematizationScenarioCategory")
+                .SetName("Unsupported type");
+
+            yield return new TestCaseData(typeof(Scenario), string.Empty)
+                .SetName("Unsupported value");
+        }
+    }
+}
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