--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main_marking5/bf_test1.scala	Sun Jan 31 03:24:32 2021 +0000
@@ -0,0 +1,4 @@
+import CW10a._ 
+
+assert(load_bff("benchmark.bf").length == 188)
+assert(load_bff("foobar.bf") == "")