diff --git a/tests/NetEvolve.Arguments.Tests.Unit/ArgumentTests_ThrowIfNullOrEmpty.cs b/tests/NetEvolve.Arguments.Tests.Unit/ArgumentTests_ThrowIfNullOrEmpty.cs
index 23adad3..acfff47 100644
--- a/tests/NetEvolve.Arguments.Tests.Unit/ArgumentTests_ThrowIfNullOrEmpty.cs
+++ b/tests/NetEvolve.Arguments.Tests.Unit/ArgumentTests_ThrowIfNullOrEmpty.cs
@@ -2,6 +2,7 @@
 
 using System;
 using System.Collections.Generic;
+using System.Threading.Tasks;
 using TUnit.Assertions.Extensions;
 
 public sealed partial class ArgumentTests
@@ -58,6 +59,28 @@ public void ThrowIfNullOrEmpty_WhenIEnumerableNull_ThrowsArgumentNullException()
         _ = Assert.Throws<ArgumentNullException>(nameof(argument), Act);
     }
 
+    [Test]
+    [MethodDataSource(nameof(ThrowIfNullOrEmptyEnumerableData))]
+    public void ThrowIfNullOrEmpty_WhenIEnumerableEmpty_ThrowsArgumentException(IEnumerable<string>? argument)
+    {
+        // Act
+        void Act() => Argument.ThrowIfNullOrEmpty(argument);
+
+        // Assert
+        _ = Assert.Throws<ArgumentException>(nameof(argument), Act);
+    }
+
+    [Test]
+    [MethodDataSource(nameof(ThrowIfNullOrEmptyEnumerableWithData))]
+    public async Task ThrowIfNullOrEmpty_WhenIEnumerableEmpty_Expected(IEnumerable<string>? argument)
+    {
+        // Act
+        Argument.ThrowIfNullOrEmpty(argument);
+
+        // Assert
+        _ = await Assert.That(argument).IsNotNull().And.IsNotEmpty();
+    }
+
     public static IEnumerable<IEnumerable<string>> ThrowIfNullOrEmptyEnumerableData =>
         [Array.Empty<string>(), new List<string>(), new HashSet<string>()];