diff --git a/Final/2.rkt b/Final/2.rkt
index da7f072..663bffb 100644
--- a/Final/2.rkt
+++ b/Final/2.rkt
@@ -288,4 +288,14 @@
             {lam {fX}
                  {body-proc {lam {x} {{fX fX} x}}}}}}})
 
-  (test (run fact-prog) (numV 120)))
\ No newline at end of file
+  (test (run fact-prog) (numV 120)))
+
+; stupid tests for coverage
+(module+ test
+  (test/exn (parse-error 'invalid-syntax) "invalid-syntax")
+  (test (parse `(error "test error")) (errorE "test error"))
+  (test/exn (parse `(error 123)) "parse error")
+  (test/exn (parse `(unknown 1 2 3)) "parse error")
+  (test/exn (arith-op + (numV 1) (errorV "not a number")) "expects a number")
+  (test/exn (parse `#f) "parse error"))
+  
\ No newline at end of file