diff --git a/X10D.Unity.Tests/Assets/Tests/DebugExIntegrationTests.cs b/X10D.Unity.Tests/Assets/Tests/DebugExIntegrationTests.cs
deleted file mode 100644
index cd517df..0000000
--- a/X10D.Unity.Tests/Assets/Tests/DebugExIntegrationTests.cs
+++ /dev/null
@@ -1,40 +0,0 @@
-using UnityEngine;
-using X10D.Drawing;
-using X10D.Unity.Drawing;
-using Color = UnityEngine.Color;
-
-namespace X10D.Unity.Tests
-{
-    internal sealed class DebugExIntegrationTests : MonoBehaviour
-    {
-        private void Update()
-        {
-            DebugEx.DrawLine(Vector3.zero, Vector3.right, Color.red);
-            DebugEx.DrawLine(Vector3.zero, Vector3.up, Color.green);
-            DebugEx.DrawLine(Vector3.zero, Vector3.forward, Color.blue);
-
-            DebugEx.DrawWireCube(new Vector3(1.5f, 0.5f, 0), Vector3.one * 0.5f, Color.yellow);
-            DebugEx.DrawRectangle(new Vector2(-1.5f, 0.5f), Vector2.one * -0.5f, Color.cyan);
-
-            var circle = new CircleF(0.0f, 0.0f, 0.5f);
-            DebugEx.DrawCircle(circle, 25, new Vector2(-3.0f, 0.5f), Color.magenta);
-
-            var ellipse = new EllipseF(0.0f, 0.0f, 1.0f, 0.5f);
-            DebugEx.DrawEllipse(ellipse, 25, new Vector2(0.0f, 1.5f), Color.white);
-
-            var hexagon = new PolygonF();
-            hexagon.AddVertex(new Vector2(-0.5f, 0.5f));
-            hexagon.AddVertex(new Vector2(-0.25f, 1.0f));
-            hexagon.AddVertex(new Vector2(0.25f, 1.0f));
-            hexagon.AddVertex(new Vector2(0.5f, 0.5f));
-            hexagon.AddVertex(new Vector2(0.25f, 0));
-            hexagon.AddVertex(new Vector2(-0.25f, 0));
-            DebugEx.DrawPolygon(hexagon, new Vector2(3.0f, 0.0f), Color.white);
-
-            var sphere = new Sphere(System.Numerics.Vector3.Zero, 0.5f);
-            DebugEx.DrawSphere(sphere, 25, new Vector2(0.0f, -1.5f), Color.white);
-
-            DebugEx.Assert(true);
-        }
-    }
-}
diff --git a/X10D.Unity.Tests/Assets/Tests/DebugUtilityIntegrationTests.cs b/X10D.Unity.Tests/Assets/Tests/DebugUtilityIntegrationTests.cs
new file mode 100644
index 0000000..1c625e5
--- /dev/null
+++ b/X10D.Unity.Tests/Assets/Tests/DebugUtilityIntegrationTests.cs
@@ -0,0 +1,40 @@
+using UnityEngine;
+using X10D.Drawing;
+using X10D.Unity.Drawing;
+using Color = UnityEngine.Color;
+
+namespace X10D.Unity.Tests
+{
+    internal sealed class DebugUtilityIntegrationTests : MonoBehaviour
+    {
+        private void Update()
+        {
+            DebugUtility.DrawLine(Vector3.zero, Vector3.right, Color.red);
+            DebugUtility.DrawLine(Vector3.zero, Vector3.up, Color.green);
+            DebugUtility.DrawLine(Vector3.zero, Vector3.forward, Color.blue);
+
+            DebugUtility.DrawWireCube(new Vector3(1.5f, 0.5f, 0), Vector3.one * 0.5f, Color.yellow);
+            DebugUtility.DrawRectangle(new Vector2(-1.5f, 0.5f), Vector2.one * -0.5f, Color.cyan);
+
+            var circle = new CircleF(0.0f, 0.0f, 0.5f);
+            DebugUtility.DrawCircle(circle, 25, new Vector2(-3.0f, 0.5f), Color.magenta);
+
+            var ellipse = new EllipseF(0.0f, 0.0f, 1.0f, 0.5f);
+            DebugUtility.DrawEllipse(ellipse, 25, new Vector2(0.0f, 1.5f), Color.white);
+
+            var hexagon = new PolygonF();
+            hexagon.AddVertex(new Vector2(-0.5f, 0.5f));
+            hexagon.AddVertex(new Vector2(-0.25f, 1.0f));
+            hexagon.AddVertex(new Vector2(0.25f, 1.0f));
+            hexagon.AddVertex(new Vector2(0.5f, 0.5f));
+            hexagon.AddVertex(new Vector2(0.25f, 0));
+            hexagon.AddVertex(new Vector2(-0.25f, 0));
+            DebugUtility.DrawPolygon(hexagon, new Vector2(3.0f, 0.0f), Color.white);
+
+            var sphere = new Sphere(System.Numerics.Vector3.Zero, 0.5f);
+            DebugUtility.DrawSphere(sphere, 25, new Vector2(0.0f, -1.5f), Color.white);
+
+            DebugUtility.Assert(true);
+        }
+    }
+}
diff --git a/X10D.Unity.Tests/Assets/Tests/DebugExIntegrationTests.cs.meta b/X10D.Unity.Tests/Assets/Tests/DebugUtilityIntegrationTests.cs.meta
similarity index 100%
rename from X10D.Unity.Tests/Assets/Tests/DebugExIntegrationTests.cs.meta
rename to X10D.Unity.Tests/Assets/Tests/DebugUtilityIntegrationTests.cs.meta