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-\ To test some of the ANS Forth Core Extension word set
-
-\ This program was written by Gerry Jackson in 2006, with contributions from
-\ others where indicated, and is in the public domain - it can be distributed
-\ and/or modified in any way but please retain this notice.
-
-\ This program is distributed in the hope that it will be useful,
-\ but WITHOUT ANY WARRANTY; without even the implied warranty of
-\ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-
-\ The tests are not claimed to be comprehensive or correct
-
-\ ------------------------------------------------------------------------------
-\ Version 0.6 1 April 2012 Tests placed in the public domain.
-\ SAVE-INPUT & RESTORE-INPUT tests, position
-\ of T{ moved so that tests work with ttester.fs
-\ CONVERT test deleted - obsolete word removed from Forth 200X
-\ IMMEDIATE VALUEs tested
-\ RECURSE with :NONAME tested
-\ PARSE and .( tested
-\ Parsing behaviour of C" added
-\ 0.5 14 September 2011 Removed the double [ELSE] from the
-\ initial SAVE-INPUT & RESTORE-INPUT test
-\ 0.4 30 November 2009 max-int replaced with max-intx to
-\ avoid redefinition warnings.
-\ 0.3 6 March 2009 { and } replaced with T{ and }T
-\ CONVERT test now independent of cell size
-\ 0.2 20 April 2007 ANS Forth words changed to upper case
-\ Tests qd3 to qd6 by Reinhold Straub
-\ 0.1 Oct 2006 First version released
-\ ------------------------------------------------------------------------------
-\ This is only a partial test of the core extension words.
-\ The tests are based on John Hayes test program for the core word set
-
-\ Words tested in this file are:
-\ TRUE FALSE :NONAME ?DO VALUE TO CASE OF ENDOF ENDCASE PARSE
-\ C" CONVERT COMPILE, [COMPILE] SAVE-INPUT RESTORE-INPUT .(
-\ ------------------------------------------------------------------------------
-\ Assumptions:
-\ - tester.fr or ttester.fs has been included prior to this file
-\ ------------------------------------------------------------------------------
-TESTING Core Extension words
-
-DECIMAL
-
-0 INVERT 1 RSHIFT CONSTANT max-intx \ 01...1
-
-
-TESTING TRUE FALSE
-
-T{ TRUE -> 0 INVERT }T
-T{ FALSE -> 0 }T
-
-\ ------------------------------------------------------------------------------
-TESTING :NONAME with and without RECURSEs
-
-VARIABLE nn1
-VARIABLE nn2
-:NONAME 1234 ; nn1 !
-:NONAME 9876 ; nn2 !
-T{ nn1 @ EXECUTE -> 1234 }T
-T{ nn2 @ EXECUTE -> 9876 }T
-
-T{ :NONAME ( n -- 0,1,..n ) DUP IF DUP >R 1- RECURSE R> THEN ;
- CONSTANT rn1 -> }T
-T{ 0 rn1 EXECUTE -> 0 }T
-T{ 4 rn1 EXECUTE -> 0 1 2 3 4 }T
-
-:NONAME ( n -- n1 ) \ Multiple RECURSEs in one definition
- 1- DUP
- CASE 0 OF EXIT ENDOF
- 1 OF 11 SWAP RECURSE ENDOF
- 2 OF 22 SWAP RECURSE ENDOF
- 3 OF 33 SWAP RECURSE ENDOF
- DROP ABS RECURSE EXIT
- ENDCASE
-; CONSTANT rn2
-
-T{ 1 rn2 EXECUTE -> 0 }T
-T{ 2 rn2 EXECUTE -> 11 0 }T
-T{ 4 rn2 EXECUTE -> 33 22 11 0 }T
-T{ 25 rn2 EXECUTE -> 33 22 11 0 }T
-
-\ ------------------------------------------------------------------------------
-TESTING ?DO
-
-: qd ?DO I LOOP ;
-T{ 789 789 qd -> }T
-T{ -9876 -9876 qd -> }T
-T{ 5 0 qd -> 0 1 2 3 4 }T
-
-: qd1 ?DO I 10 +LOOP ;
-T{ 50 1 qd1 -> 1 11 21 31 41 }T
-T{ 50 0 qd1 -> 0 10 20 30 40 }T
-
-: qd2 ?DO I 3 > IF LEAVE ELSE I THEN LOOP ;
-T{ 5 -1 qd2 -> -1 0 1 2 3 }T
-
-: qd3 ?DO I 1 +LOOP ;
-T{ 4 4 qd3 -> }T
-T{ 4 1 qd3 -> 1 2 3 }T
-T{ 2 -1 qd3 -> -1 0 1 }T
-
-: qd4 ?DO I -1 +LOOP ;
-T{ 4 4 qd4 -> }T
-T{ 1 4 qd4 -> 4 3 2 1 }T
-T{ -1 2 qd4 -> 2 1 0 -1 }T
-
-: qd5 ?DO I -10 +LOOP ;
-T{ 1 50 qd5 -> 50 40 30 20 10 }T
-T{ 0 50 qd5 -> 50 40 30 20 10 0 }T
-T{ -25 10 qd5 -> 10 0 -10 -20 }T
-
-VARIABLE iters
-VARIABLE incrmnt
-
-: qd6 ( limit start increment -- )
- incrmnt !
- 0 iters !
- ?DO
- 1 iters +!
- I
- iters @ 6 = IF LEAVE THEN
- incrmnt @
- +LOOP iters @
-;
-
-T{ 4 4 -1 qd6 -> 0 }T
-T{ 1 4 -1 qd6 -> 4 3 2 1 4 }T
-T{ 4 1 -1 qd6 -> 1 0 -1 -2 -3 -4 6 }T
-T{ 4 1 0 qd6 -> 1 1 1 1 1 1 6 }T
-T{ 0 0 0 qd6 -> 0 }T
-T{ 1 4 0 qd6 -> 4 4 4 4 4 4 6 }T
-T{ 1 4 1 qd6 -> 4 5 6 7 8 9 6 }T
-T{ 4 1 1 qd6 -> 1 2 3 3 }T
-T{ 4 4 1 qd6 -> 0 }T
-T{ 2 -1 -1 qd6 -> -1 -2 -3 -4 -5 -6 6 }T
-T{ -1 2 -1 qd6 -> 2 1 0 -1 4 }T
-T{ 2 -1 0 qd6 -> -1 -1 -1 -1 -1 -1 6 }T
-T{ -1 2 0 qd6 -> 2 2 2 2 2 2 6 }T
-T{ -1 2 1 qd6 -> 2 3 4 5 6 7 6 }T
-T{ 2 -1 1 qd6 -> -1 0 1 3 }T
-
-\ ------------------------------------------------------------------------------
-TESTING VALUE TO
-
-T{ 111 VALUE val1 -999 VALUE val2 -> }T
-T{ val1 -> 111 }T
-T{ val2 -> -999 }T
-T{ 222 TO val1 -> }T
-T{ val1 -> 222 }T
-T{ : vd1 val1 ; -> }T
-T{ vd1 -> 222 }T
-T{ : vd2 TO val2 ; -> }T
-T{ val2 -> -999 }T
-T{ -333 vd2 -> }T
-T{ val2 -> -333 }T
-T{ val1 -> 222 }T
-T{ 123 VALUE val3 IMMEDIATE val3 -> 123 }T
-T{ : vd3 val3 LITERAL ; vd3 -> 123 }T
-
-\ ------------------------------------------------------------------------------
-TESTING CASE OF ENDOF ENDCASE
-
-: cs1 CASE 1 OF 111 ENDOF
- 2 OF 222 ENDOF
- 3 OF 333 ENDOF
- >R 999 R>
- ENDCASE
-;
-
-T{ 1 cs1 -> 111 }T
-T{ 2 cs1 -> 222 }T
-T{ 3 cs1 -> 333 }T
-T{ 4 cs1 -> 999 }T
-
-: cs2 >R CASE -1 OF CASE R@ 1 OF 100 ENDOF
- 2 OF 200 ENDOF
- >R -300 R>
- ENDCASE
- ENDOF
- -2 OF CASE R@ 1 OF -99 ENDOF
- >R -199 R>
- ENDCASE
- ENDOF
- >R 299 R>
- ENDCASE R> DROP
-;
-
-T{ -1 1 cs2 -> 100 }T
-T{ -1 2 cs2 -> 200 }T
-T{ -1 3 cs2 -> -300 }T
-T{ -2 1 cs2 -> -99 }T
-T{ -2 2 cs2 -> -199 }T
-T{ 0 2 cs2 -> 299 }T
-
-\ ------------------------------------------------------------------------------
-TESTING C"
-
-T{ : cq1 C" 123" ; -> }T
-T{ cq1 COUNT EVALUATE -> 123 }T
-T{ : cq2 C" " ; -> }T
-T{ cq2 COUNT EVALUATE -> }T
-T{ : cq3 C" 2345"COUNT EVALUATE ; cq3 -> 2345 }T
-
-\ ------------------------------------------------------------------------------
-TESTING COMPILE, [COMPILE]
-
-:NONAME DUP + ; CONSTANT dup+
-T{ : q dup+ COMPILE, ; -> }T
-T{ : as1 [ q ] ; -> }T
-T{ 123 as1 -> 246 }T
-
-T{ : [c1] [COMPILE] DUP ; IMMEDIATE -> }T
-T{ 123 [c1] -> 123 123 }T \ With default compilation semantics
-T{ : [c2] [COMPILE] [c1] ; -> }T
-T{ 234 [c2] -> 234 234 }T \ With an immediate word
-T{ : [cif] [COMPILE] IF ; IMMEDIATE -> }T
-T{ : [c3] [cif] 111 ELSE 222 THEN ; -> }T \ With special compilation semantics
-T{ -1 [c3] -> 111 }T
-T{ 0 [c3] -> 222 }T
-
-\ ------------------------------------------------------------------------------
-\ Cannot automatically test SAVE-INPUT and RESTORE-INPUT from a console source
-
-TESTING SAVE-INPUT and RESTORE-INPUT with a file source
-
-VARIABLE siv -1 siv !
-
-: NeverExecuted
- ." This should never be executed" ABORT
-;
-
-T{ 11111 SAVE-INPUT
-
-siv @
-
-[IF]
- 0 siv !
- RESTORE-INPUT
- NeverExecuted
-[ELSE]
-
-TESTING the -[ELSE]- part is executed
-22222
-
-[THEN]
-
- -> 11111 0 22222 }T \ 0 comes from RESTORE-INPUT
-
-TESTING SAVE-INPUT and RESTORE-INPUT with a string source
-
-VARIABLE si_inc 0 si_inc !
-
-: si1
- si_inc @ >IN +!
- 15 si_inc !
-;
-
-: s$ S" SAVE-INPUT si1 RESTORE-INPUT 12345" ;
-
-T{ s$ EVALUATE si_inc @ -> 0 2345 15 }T
-
-TESTING nested SAVE-INPUT and RESTORE-INPUT
-
-: read_a_line
- REFILL 0=
- ABORT" REFILL failed"
-;
-
-0 si_inc !
-
-2VARIABLE 2res -1. 2res 2!
-
-: si2
- read_a_line
- read_a_line
- SAVE-INPUT
- read_a_line
- read_a_line
- s$ EVALUATE 2res 2!
- RESTORE-INPUT
-;
-
-\ WARNING: do not delete or insert lines of text after si2 is called
-\ otherwise the next test will fail
-
-T{ si2
-33333 \ This line should be ignored
-2res 2@ 44444 \ RESTORE-INPUT should return to this line
-
-55555
-TESTING the nested results
- -> 0 0 2345 44444 55555 }T
-
-\ End of warning
-
-\ ------------------------------------------------------------------------------
-TESTING .(
-
-T{ S" A string"2DROP -> }T
-T{ CR .( You should see -9876: ) -9876 . -> }T
-T{ CR .( Repeated: ).( -9876)CR -> }T
-
-\ ------------------------------------------------------------------------------
-TESTING PARSE
-
-T{ CHAR | PARSE 1234| DUP ROT ROT EVALUATE -> 4 1234 }T
-T{ CHAR ^ PARSE 23 45 ^ DUP ROT ROT EVALUATE -> 7 23 45 }T
-: pa1 [CHAR] $ PARSE DUP >R PAD SWAP CHARS MOVE PAD R> ;
-T{ pa1 3456
- DUP ROT ROT EVALUATE -> 4 3456 }T
-T{ CHAR a PARSE a SWAP DROP -> 0 }T
-T{ CHAR z PARSE
- SWAP DROP -> 0 }T
-T{ CHAR " PARSE 4567 "DUP ROT ROT EVALUATE -> 5 4567 }T
-
-\ ------------------------------------------------------------------------------
-
-CR .( End of Core Extension word tests) CR
-
-