diff --git a/src/test/resources/syntaxtreegenerator/Box.ast b/src/test/resources/syntaxtreegenerator/Box.ast
new file mode 100644
index 00000000..1bc437b3
--- /dev/null
+++ b/src/test/resources/syntaxtreegenerator/Box.ast
@@ -0,0 +1,25 @@
+class B {
+
+B(){
+    super(());
+  }
+  B(){
+    super(());
+  }
+
+}class Box_Main {
+
+Box_Main(){
+    super(());
+  }
+  TPH T m(TPH U b){
+    b.m Signature: [TPH W, TPH X](new Box_Main());
+    b.m Signature: [TPH AB, TPH AC](new B());
+    return;
+  }
+
+  Box_Main(){
+    super(());
+  }
+
+}
\ No newline at end of file