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67 lines
2.2 KiB
Forth
67 lines
2.2 KiB
Forth
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\ From: John Hayes S1I
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\ Subject: tester.fr
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\ Date: Mon, 27 Nov 95 13:10:09 PST
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\ (C) 1995 JOHNS HOPKINS UNIVERSITY / APPLIED PHYSICS LABORATORY
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\ MAY BE DISTRIBUTED FREELY AS LONG AS THIS COPYRIGHT NOTICE REMAINS.
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\ VERSION 1.2
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\ 24/11/2015 Replaced Core Ext word <> with = 0=
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\ 31/3/2015 Variable #ERRORS added and incremented for each error reported.
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\ 22/1/09 The words { and } have been changed to T{ and }T respectively to
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\ agree with the Forth 200X file ttester.fs. This avoids clashes with
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\ locals using { ... } and the FSL use of }
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HEX
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\ SET THE FOLLOWING FLAG TO TRUE FOR MORE VERBOSE OUTPUT; THIS MAY
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\ ALLOW YOU TO TELL WHICH TEST CAUSED YOUR SYSTEM TO HANG.
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VARIABLE VERBOSE
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FALSE VERBOSE !
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\ TRUE VERBOSE !
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: EMPTY-STACK \ ( ... -- ) EMPTY STACK: HANDLES UNDERFLOWED STACK TOO.
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DEPTH ?DUP IF DUP 0< IF NEGATE 0 DO 0 LOOP ELSE 0 DO DROP LOOP THEN THEN ;
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VARIABLE #ERRORS 0 #ERRORS !
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: ERROR \ ( C-ADDR U -- ) DISPLAY AN ERROR MESSAGE FOLLOWED BY
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\ THE LINE THAT HAD THE ERROR.
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CR TYPE SOURCE TYPE \ DISPLAY LINE CORRESPONDING TO ERROR
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EMPTY-STACK \ THROW AWAY EVERY THING ELSE
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#ERRORS @ 1 + #ERRORS !
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\ QUIT \ *** Uncomment this line to QUIT on an error
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;
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VARIABLE ACTUAL-DEPTH \ STACK RECORD
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CREATE ACTUAL-RESULTS 20 CELLS ALLOT
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: T{ \ ( -- ) SYNTACTIC SUGAR.
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;
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: -> \ ( ... -- ) RECORD DEPTH AND CONTENT OF STACK.
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DEPTH DUP ACTUAL-DEPTH ! \ RECORD DEPTH
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?DUP IF \ IF THERE IS SOMETHING ON STACK
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0 DO ACTUAL-RESULTS I CELLS + ! LOOP \ SAVE THEM
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THEN ;
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: }T \ ( ... -- ) COMPARE STACK (EXPECTED) CONTENTS WITH SAVED
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\ (ACTUAL) CONTENTS.
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DEPTH ACTUAL-DEPTH @ = IF \ IF DEPTHS MATCH
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DEPTH ?DUP IF \ IF THERE IS SOMETHING ON THE STACK
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0 DO \ FOR EACH STACK ITEM
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ACTUAL-RESULTS I CELLS + @ \ COMPARE ACTUAL WITH EXPECTED
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= 0= IF S" INCORRECT RESULT: " ERROR LEAVE THEN
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LOOP
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THEN
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ELSE \ DEPTH MISMATCH
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S" WRONG NUMBER OF RESULTS: " ERROR
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THEN ;
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: TESTING \ ( -- ) TALKING COMMENT.
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SOURCE VERBOSE @
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IF DUP >R TYPE CR R> >IN !
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ELSE >IN ! DROP [CHAR] * EMIT
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THEN ;
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