\ From: John Hayes S1I \ Subject: tester.fr \ Date: Mon, 27 Nov 95 13:10:09 PST \ (C) 1995 JOHNS HOPKINS UNIVERSITY / APPLIED PHYSICS LABORATORY \ MAY BE DISTRIBUTED FREELY AS LONG AS THIS COPYRIGHT NOTICE REMAINS. \ VERSION 1.1 HEX \ SET THE FOLLOWING FLAG TO TRUE FOR MORE VERBOSE OUTPUT; THIS MAY \ ALLOW YOU TO TELL WHICH TEST CAUSED YOUR SYSTEM TO HANG. VARIABLE VERBOSE FALSE VERBOSE ! : EMPTY-STACK \ ( ... -- ) EMPTY STACK: HANDLES UNDERFLOWED STACK TOO. DEPTH ?DUP IF DUP 0< IF NEGATE 0 DO 0 LOOP ELSE 0 DO DROP LOOP THEN THEN ; : ERROR \ ( C-ADDR U -- ) DISPLAY AN ERROR MESSAGE FOLLOWED BY \ THE LINE THAT HAD THE ERROR. TYPE SOURCE TYPE CR \ DISPLAY LINE CORRESPONDING TO ERROR EMPTY-STACK \ THROW AWAY EVERY THING ELSE ; VARIABLE ACTUAL-DEPTH \ STACK RECORD CREATE ACTUAL-RESULTS 20 CELLS ALLOT : T{ \ ( -- ) SYNTACTIC SUGAR. ; : -> \ ( ... -- ) RECORD DEPTH AND CONTENT OF STACK. DEPTH DUP ACTUAL-DEPTH ! \ RECORD DEPTH ?DUP IF \ IF THERE IS SOMETHING ON STACK 0 DO ACTUAL-RESULTS I CELLS + ! LOOP \ SAVE THEM THEN ; : }T \ ( ... -- ) COMPARE STACK (EXPECTED) CONTENTS WITH SAVED \ (ACTUAL) CONTENTS. DEPTH ACTUAL-DEPTH @ = IF \ IF DEPTHS MATCH DEPTH ?DUP IF \ IF THERE IS SOMETHING ON THE STACK 0 DO \ FOR EACH STACK ITEM ACTUAL-RESULTS I CELLS + @ \ COMPARE ACTUAL WITH EXPECTED <> IF S" INCORRECT RESULT: " ERROR LEAVE THEN LOOP THEN ELSE \ DEPTH MISMATCH S" WRONG NUMBER OF RESULTS: " ERROR THEN ; : TESTING \ ( -- ) TALKING COMMENT. SOURCE VERBOSE @ IF DUP >R CR TYPE SPACE R> >IN ! ELSE >IN ! DROP THEN ;