diff --git a/src/Tage_DTest b/src/Tage_DTest
new file mode 100644
index 0000000..7957c99
--- /dev/null
+++ b/src/Tage_DTest
@@ -0,0 +1,18 @@
+import static org.junit.jupiter.api.Assertions.*;
+
+import org.junit.jupiter.api.Test;
+
+class Tage_DTest {
+
+  @Test
+  void main() {
+
+    try{
+      Tage_D window = new Tage_D();
+    }catch(Exception e){
+        System.out.println(e.toString());
+    }
+
+
+  }
+}