diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2216ac7..90a30ac 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - Support tests with `TestCaseSource`.
 ### Application
 - Update `ricaun.NUnit` to `1.4.0`.
+### Tests
+- Add `TestsCaseSource` to test `TestCaseSourceAttribute`.
 
 ## [1.4.1] / 2024-09-06
 ### TestAdapter
diff --git a/ricaun.RevitTest.Tests/TestsCaseSource.cs b/ricaun.RevitTest.Tests/TestsCaseSource.cs
new file mode 100644
index 0000000..7864749
--- /dev/null
+++ b/ricaun.RevitTest.Tests/TestsCaseSource.cs
@@ -0,0 +1,59 @@
+using NUnit.Framework;
+using System.Collections.Generic;
+
+namespace ricaun.RevitTest.Tests
+{
+    public class TestsCaseSource
+    {
+        public static int[] CasesSource = new[] { 1, 2, 3 };
+        [TestCaseSource(nameof(CasesSource))]
+        public void CasesSourceTest(int i)
+        {
+            Assert.True(i > 0);
+        }
+
+
+        static IEnumerable<int> CasesSourceMethod()
+        {
+            yield return 1;
+            yield return 2;
+            yield return 3;
+        }
+        [TestCaseSource(nameof(CasesSourceMethod))]
+        public void CasesSourceMethodTest(int i)
+        {
+            Assert.True(i > 0);
+        }
+
+        static IEnumerable<int> CasesSourceMethodWithParameters(int start, int count)
+        {
+            for (int i = 0; i < count; i++)
+            {
+                yield return start + i;
+            }
+        }
+
+        [TestCaseSource(nameof(CasesSourceMethodWithParameters), new object[] { 1, 4 })]
+        public void CasesSourceMethodWithParametersTest(int i)
+        {
+            Assert.True(i > 0);
+        }
+
+        [TestCaseSource(typeof(AnotherClass), nameof(AnotherClass.CasesSource))]
+        public void CasesSourceAnotherClassTest(int i, int j, int k)
+        {
+            Assert.True(i > 0);
+            Assert.True(j > 0);
+            Assert.True(k > 0);
+        }
+        public class AnotherClass
+        {
+            public static object[] CasesSource =
+            {
+                new object[] { 1, 2, 3 },
+                new object[] { 2, 3, 4 },
+                new object[] { 3, 4, 5 }
+            };
+        }
+    }
+}