--- gforth/test/ttester.fs 2007/08/19 21:33:50 1.1 +++ gforth/test/ttester.fs 2008/11/08 18:34:18 1.13 @@ -1,12 +1,20 @@ +\ for the original tester \ 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 -\ revised by Anton Ertl 2007-08-12, 2007-08-19 +\ for the FNEARLY= stuff: +\ from ftester.fs written by David N. Williams, based on the idea of +\ approximate equality in Dirk Zoller's float.4th +\ public domain + +\ for the rest: +\ revised by Anton Ertl +\ public domain + \ The original has the following shortcomings: \ - It does not work as expected if the stack is non-empty before the {. @@ -21,8 +29,13 @@ \ http://www.forth200x.org/tests/tester.fs \ http://www.forth200x.org/tests/ttester.fs +\ for history and possibly newer versions you can also look at +\ http://www.complang.tuwien.ac.at/cvsweb/cgi-bin/cvsweb/gforth/test/ttester.fs + \ tester.fs is intended to be a drop-in replacement of the original. -\ ttester.fs is a version that uses T{ and }T instead of { and }. + +\ ttester.fs is a version that uses T{ and }T instead of { and } and +\ keeps the BASE as it was before loading ttester.fs \ In spirit of the original, I have strived to avoid any potential \ non-portabilities and stayed as much within the CORE words as @@ -31,11 +44,10 @@ \ There are a few things to be noted: -\ - Following the despicable practice of the original, this version -\ sets the base to HEX for everything that gets loaded later. -\ Floating-point input is ambiguous when the base is not decimal, so -\ you have to set it to decimal yourself when you want to deal with -\ decimal numbers. +\ - Loading ttester.fs does not change BASE. Loading tester.fs +\ changes BASE to HEX (like the original tester). Floating-point +\ input is ambiguous when the base is not decimal, so you have to set +\ it to decimal yourself when you want to deal with decimal numbers. \ - For FP it is often useful to use approximate equality for checking \ the results. You can turn on approximate matching with SET-NEAR @@ -50,6 +62,7 @@ \ system or if you need only exact matching, you can use the plain }T \ instead. +BASE @ HEX \ SET THE FOLLOWING FLAG TO TRUE FOR MORE VERBOSE OUTPUT; THIS MAY @@ -90,8 +103,7 @@ HAS-FLOATING [IF] \ SET THE FOLLOWING TO THE RELATIVE AND ABSOLUTE TOLERANCES YOU \ WANT FOR APPROXIMATE FLOAT EQUALITY, TO BE USED WITH F~ IN \ FNEARLY=. KEEP THE SIGNS, BECAUSE F~ NEEDS THEM. - FVARIABLE FSENSITIVITY DECIMAL 1E-12 HEX FSENSITIVITY F! - : REL-NEAR FSENSITIVITY ; + FVARIABLE REL-NEAR DECIMAL 1E-12 HEX REL-NEAR F! FVARIABLE ABS-NEAR DECIMAL 0E HEX ABS-NEAR F! \ WHEN EXACT? IS TRUE, }F USES FEXACTLY=, OTHERWISE FNEARLY=. @@ -165,13 +177,13 @@ HAS-FLOATING-STACK [IF] : F-> ( ... -- ... ) FDEPTH DUP ACTUAL-FDEPTH ! START-FDEPTH @ > IF - FDEPTH START-FDEPTH @ DO ACTUAL-FRESULTS I FLOATS + F! LOOP + FDEPTH START-FDEPTH @ - 0 DO ACTUAL-FRESULTS I FLOATS + F! LOOP THEN ; : F} ( ... -- ... ) FDEPTH ACTUAL-FDEPTH @ = IF FDEPTH START-FDEPTH @ > IF - FDEPTH START-FDEPTH @ DO + FDEPTH START-FDEPTH @ - 0 DO ACTUAL-FRESULTS I FLOATS + F@ FCONF= INVERT IF S" INCORRECT FP RESULT: " ERROR LEAVE THEN @@ -182,20 +194,19 @@ HAS-FLOATING-STACK [IF] THEN ; : F...}T ( -- ) - FDEPTH START-FDEPTH @ = 0= IF - S" WRONG NUMBER OF FP RESULTS" ERROR - THEN - FCURSOR @ ACTUAL-FDEPTH @ <> IF - S" WRONG NUMBER OF FP RESULTS" ERROR - THEN ; + FCURSOR @ START-FDEPTH @ + ACTUAL-FDEPTH @ <> IF + S" NUMBER OF FLOAT RESULTS BEFORE '->' DOES NOT MATCH ...}T SPECIFICATION: " ERROR + ELSE FDEPTH START-FDEPTH @ = 0= IF + S" NUMBER OF FLOAT RESULTS BEFORE AND AFTER '->' DOES NOT MATCH: " ERROR + THEN THEN ; + : FTESTER ( R -- ) - FDEPTH 0= ACTUAL-FDEPTH @ FCURSOR @ 1+ < OR IF - S" WRONG NUMBER OF FP RESULTS: " ERROR EXIT - THEN - ACTUAL-FRESULTS FCURSOR @ FLOATS + F@ FCONF= 0= IF + FDEPTH 0= ACTUAL-FDEPTH @ FCURSOR @ START-FDEPTH @ + 1+ < OR IF + S" NUMBER OF FLOAT RESULTS AFTER '->' BELOW ...}T SPECIFICATION: " ERROR + ELSE ACTUAL-FRESULTS FCURSOR @ FLOATS + F@ FCONF= 0= IF S" INCORRECT FP RESULT: " ERROR - THEN + THEN THEN 1 FCURSOR +! ; [ELSE] @@ -205,20 +216,23 @@ HAS-FLOATING-STACK [IF] : F} ; : F...}T ; + HAS-FLOATING [IF] + DECIMAL : COMPUTE-CELLS-PER-FP ( -- U ) - DEPTH 0E DEPTH >R FDROP R> SWAP - ; + DEPTH 0E DEPTH 1- >R FDROP R> SWAP - ; + HEX COMPUTE-CELLS-PER-FP CONSTANT CELLS-PER-FP - + : FTESTER ( R -- ) - DEPTH CELLS-PER-FP < ACTUAL-DEPTH @ XCURSOR @ CELLS-PER-FP + < OR IF - S" WRONG NUMBER OF RESULTS: " ERROR EXIT - THEN - ACTUAL-RESULTS XCURSOR @ CELLS + F@ FCONF= 0= IF + DEPTH CELLS-PER-FP < ACTUAL-DEPTH @ XCURSOR @ START-DEPTH @ + CELLS-PER-FP + < OR IF + S" NUMBER OF RESULTS AFTER '->' BELOW ...}T SPECIFICATION: " ERROR EXIT + ELSE ACTUAL-RESULTS XCURSOR @ CELLS + F@ FCONF= 0= IF S" INCORRECT FP RESULT: " ERROR - THEN + THEN THEN CELLS-PER-FP XCURSOR +! ; - [THEN] + [THEN] +[THEN] : EMPTY-STACK \ ( ... -- ) EMPTY STACK: HANDLES UNDERFLOWED STACK TOO. DEPTH START-DEPTH @ < IF @@ -238,12 +252,12 @@ HAS-FLOATING-STACK [IF] ' ERROR1 ERROR-XT ! : T{ \ ( -- ) SYNTACTIC SUGAR. - DEPTH START-DEPTH ! F{ ; + DEPTH START-DEPTH ! 0 XCURSOR ! F{ ; : -> \ ( ... -- ) RECORD DEPTH AND CONTENT OF STACK. DEPTH DUP ACTUAL-DEPTH ! \ RECORD DEPTH START-DEPTH @ > IF \ IF THERE IS SOMETHING ON STACK - DEPTH START-DEPTH @ DO ACTUAL-RESULTS I CELLS + ! LOOP \ SAVE THEM + DEPTH START-DEPTH @ - 0 DO ACTUAL-RESULTS I CELLS + ! LOOP \ SAVE THEM THEN F-> ; @@ -251,7 +265,7 @@ HAS-FLOATING-STACK [IF] \ (ACTUAL) CONTENTS. DEPTH ACTUAL-DEPTH @ = IF \ IF DEPTHS MATCH DEPTH START-DEPTH @ > IF \ IF THERE IS SOMETHING ON THE STACK - DEPTH START-DEPTH @ DO \ FOR EACH STACK ITEM + DEPTH START-DEPTH @ - 0 DO \ FOR EACH STACK ITEM ACTUAL-RESULTS I CELLS + @ \ COMPARE ACTUAL WITH EXPECTED <> IF S" INCORRECT RESULT: " ERROR LEAVE THEN LOOP @@ -262,30 +276,31 @@ HAS-FLOATING-STACK [IF] F} ; : ...}T ( -- ) - DEPTH START-DEPTH @ = 0= IF - S" WRONG NUMBER OF RESULTS" ERROR - THEN - XCURSOR @ ACTUAL-DEPTH @ <> IF - S" WRONG NUMBER OF RESULTS" ERROR - THEN + XCURSOR @ START-DEPTH @ + ACTUAL-DEPTH @ <> IF + S" NUMBER OF CELL RESULTS BEFORE '->' DOES NOT MATCH ...}T SPECIFICATION: " ERROR + ELSE DEPTH START-DEPTH @ = 0= IF + S" NUMBER OF CELL RESULTS BEFORE AND AFTER '->' DOES NOT MATCH: " ERROR + THEN THEN F...}T ; : XTESTER ( X -- ) - DEPTH 0= ACTUAL-DEPTH @ XCURSOR @ 1+ < OR IF - S" WRONG NUMBER OF RESULTS: " ERROR EXIT - THEN - ACTUAL-RESULTS XCURSOR @ CELLS + @ <> IF + DEPTH 0= ACTUAL-DEPTH @ XCURSOR @ START-DEPTH @ + 1+ < OR IF + S" NUMBER OF CELL RESULTS AFTER '->' BELOW ...}T SPECIFICATION: " ERROR EXIT + ELSE ACTUAL-RESULTS XCURSOR @ CELLS + @ <> IF S" INCORRECT CELL RESULT: " ERROR - THEN + THEN THEN 1 XCURSOR +! ; : X}T XTESTER ...}T ; -: R}T FTESTER ...}T ; : XX}T XTESTER XTESTER ...}T ; +: XXX}T XTESTER XTESTER XTESTER ...}T ; +: XXXX}T XTESTER XTESTER XTESTER XTESTER ...}T ; + +HAS-FLOATING [IF] +: R}T FTESTER ...}T ; : XR}T FTESTER XTESTER ...}T ; : RX}T XTESTER FTESTER ...}T ; : RR}T FTESTER FTESTER ...}T ; -: XXX}T XTESTER XTESTER XTESTER ...}T ; : XXR}T FTESTER XTESTER XTESTER ...}T ; : XRX}T XTESTER FTESTER XTESTER ...}T ; : XRR}T FTESTER FTESTER XTESTER ...}T ; @@ -293,7 +308,6 @@ HAS-FLOATING-STACK [IF] : RXR}T FTESTER XTESTER FTESTER ...}T ; : RRX}T XTESTER FTESTER FTESTER ...}T ; : RRR}T FTESTER FTESTER FTESTER ...}T ; -: XXXX}T XTESTER XTESTER XTESTER XTESTER ...}T ; : XXXR}T FTESTER XTESTER XTESTER XTESTER ...}T ; : XXRX}T XTESTER FTESTER XTESTER XTESTER ...}T ; : XXRR}T FTESTER FTESTER XTESTER XTESTER ...}T ; @@ -309,9 +323,12 @@ HAS-FLOATING-STACK [IF] : RRXR}T FTESTER XTESTER FTESTER FTESTER ...}T ; : RRRX}T XTESTER FTESTER FTESTER FTESTER ...}T ; : RRRR}T FTESTER FTESTER FTESTER FTESTER ...}T ; +[THEN] : TESTING \ ( -- ) TALKING COMMENT. SOURCE VERBOSE @ IF DUP >R TYPE CR R> >IN ! ELSE >IN ! DROP THEN ; + +BASE !