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added forth testing files

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Patrick Kloepfer 2021-03-23 16:19:27 -04:00
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\ To test the ANS Forth Block word set and extension words
\ This program was written by Steve Palmer in 2015, 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 0.1 23 October 2015 First Version
\ Version 0.2 15 November 2015 Updated after feedback from Gerry Jackson
\ ------------------------------------------------------------------------------
\ The tests are based on John Hayes test program for the core word set
\
\ Words tested in this file are:
\ BLK BLOCK BUFFER EVALUATE FLUSH LOAD SAVE-BUFFERS UPDATE
\ EMPTY-BUFFERS LIST SCR THRU REFILL SAVE-INPUT RESTORE-INPUT \
\
\ ------------------------------------------------------------------------------
\ Assumptions and dependencies:
\ - tester.fr or ttester.fs has been loaded prior to this file
\ - errorreport.fth has been loaded prior to this file
\ - utilities.fth has been loaded prioir to this file
\ ------------------------------------------------------------------------------
TESTING Block word set
DECIMAL
\ Define these constants from the system documentation provided.
\ WARNING: The contents of the test blocks will be destroyed by this test.
\ The blocks tested will be in the range
\ FIRST-TEST-BLOCK <= u < LIMIT-TEST-BLOCK
\ The tests need at least 2 test blocks in the range to complete.
20 CONSTANT FIRST-TEST-BLOCK
30 CONSTANT LIMIT-TEST-BLOCK \ one beyond the last
FIRST-TEST-BLOCK LIMIT-TEST-BLOCK U< 0= [?IF]
\? .( Error: Test Block range not identified ) CR ABORT
[?THEN]
LIMIT-TEST-BLOCK FIRST-TEST-BLOCK - CONSTANT TEST-BLOCK-COUNT
TEST-BLOCK-COUNT 2 U< [?IF]
\? .( Error: At least 2 Test Blocks are required to run the tests ) CR ABORT
[?THEN]
\ ------------------------------------------------------------------------------
TESTING Random Number Utilities
\ The block tests make extensive use of random numbers to select blocks to test
\ and to set the contents of the block. It also makes use of a Hash code to
\ ensure the integrity of the blocks against unexpected changes.
\ == Memory Walk tools ==
: @++ ( a-addr -- a-addr+4 a-addr@ )
DUP CELL+ SWAP @ ;
: !++ ( x a-addr -- a-addr+4 )
TUCK ! CELL+ ;
: C@++ ( c-addr -- c-addr;char+ c-addr@ )
DUP CHAR+ SWAP C@ ;
: C!++ ( char c-addr -- c-addr+1 )
TUCK ! CHAR+ ;
\ == Random Numbers ==
\ Based on "Xorshift" PRNG wikipedia page
\ reporting on results by George Marsaglia
\ https://en.wikipedia.org/wiki/Xorshift
\ Note: THIS IS NOT CRYPTOGRAPHIC QUALITY
: PRNG
CREATE ( "name" -- )
4 CELLS ALLOT
DOES> ( -- prng )
;
: PRNG-ERROR-CODE ( prng -- errcode | 0 )
0 4 0 DO \ prng acc
>R @++ R> OR \ prng acc'
LOOP \ prng xORyORzORw
NIP 0= ; \ xORyORzORw=0
: PRNG-COPY ( src-prng dst-prng -- )
4 CELLS MOVE ;
: PRNG-SET-SEED ( prng w z y x -- )
4 PICK \ prng w z y x prng
4 0 DO !++ LOOP DROP \ prng
DUP PRNG-ERROR-CODE IF \ prng
1 OVER +! \ prng
THEN \ prng
DROP ; \
BITS/CELL 64 = [?IF]
\? : PRNG-RND ( prng -- rnd )
\? DUP @
\? DUP 21 LSHIFT XOR
\? DUP 35 RSHIFT XOR
\? DUP 4 LSHIFT XOR
\? TUCK SWAP ! ;
[?THEN]
BITS/CELL 32 = [?IF]
\? : PRNG-RND ( prng -- rnd )
\? DUP @ \ prng x
\? DUP 11 LSHIFT XOR \ prng t=x^(x<<11)
\? DUP 8 RSHIFT XOR \ prng t'=t^(t>>8)
\? OVER DUP CELL+ SWAP 3 CELLS MOVE \ prng t'
\? OVER 3 CELLS + @ \ prng t' w
\? DUP 19 RSHIFT XOR \ prng t' w'=w^(w>>19)
\? XOR \ prng rnd=w'^t'
\? TUCK SWAP 3 CELLS + ! ; \ rnd
[?THEN]
BITS/CELL 16 = [?IF]
\? .( === NOT TESTED === )
\? \ From http://b2d-f9r.blogspot.co.uk/2010/08/16-bit-xorshift-rng-now-with-more.html
\? : PRNG-RND ( prng -- rnd )
\? DUP @ \ prng x
\? DUP 5 LSHIFT XOR \ prng t=x^(x<<5)
\? DUP 3 RSHIFT XOR \ prng t'=t^(t>>3)
\? OVER DUP CELL+ @ TUCK SWAP ! \ prng t' y
\? DUP 1 RSHIFT XOR \ prng t' y'=y^(y>>1)
\? XOR \ prng rnd=y'^t'
\? TUCK SWAP CELL+ ! ; \ rnd
[?THEN]
[?DEF] PRNG-RND
\? .( You need to add a Psuedo Random Number Generator for your cell size: )
\? BITS/CELL U. CR
\? ABORT
[?THEN]
: PRNG-RANDOM ( lower upper prng -- rnd )
>R OVER - R> PRNG-RND UM* NIP + ;
\ PostCondition: T{ lower upper 2DUP 2>R prng PRNG-RANDOM 2R> WITHIN -> TRUE }T
PRNG BLOCK-PRNG
\ Generated by Random.org
BLOCK-PRNG -1865266521 188896058 -2021545234 -1456609962 PRNG-SET-SEED
: BLOCK-RND ( -- rnd ) BLOCK-PRNG PRNG-RND ;
: BLOCK-RANDOM ( lower upper -- rnd ) BLOCK-PRNG PRNG-RANDOM ;
: RND-TEST-BLOCK ( -- blk )
FIRST-TEST-BLOCK LIMIT-TEST-BLOCK BLOCK-RANDOM ;
\ PostCondition: T{ RND-TEST-BLOCK FIRST-TEST-BLOCK LIMIT-TEST-BLOCK WITHIN -> TRUE }T
\ Two distinct random test blocks
: 2RND-TEST-BLOCKS ( -- blk1 blk2 )
RND-TEST-BLOCK BEGIN \ blk1
RND-TEST-BLOCK \ blk1 blk2
2DUP = \ blk1 blk2 blk1==blk2
WHILE \ blk1 blk1
DROP \ blk1
REPEAT ; \ blk1 blk2
\ PostCondition: T{ 2RND-TEST-BLOCKS = -> FALSE }T
\ first random test block in a sequence of length u
: RND-TEST-BLOCK-SEQ ( u -- blks )
FIRST-TEST-BLOCK LIMIT-TEST-BLOCK ROT 1- - BLOCK-RANDOM ;
\ I'm not sure if this algorithm is correct if " 1 CHARS 1 <> ".
: ELF-HASH-ACCUMULATE ( hash c-addr u -- hash )
>R SWAP R> 0 DO \ c-addr h
4 LSHIFT \ c-addr h<<=4
SWAP C@++ ROT + \ c-addr' h+=*s
DUP [ HEX ] F0000000 [ DECIMAL ] AND \ c-addr' h high=h&0xF0000000
DUP IF \ c-addr' h high
DUP >R 24 RSHIFT XOR R> \ c-addr' h^=high>>24 high
THEN \ c-addr' h high
INVERT AND \ c-addr' h&=~high
LOOP NIP ;
: ELF-HASH ( c-addr u -- hash )
0 ROT ROT ELF-HASH-ACCUMULATE ;
\ ------------------------------------------------------------------------------
TESTING BLOCK ( read-only mode )
\ BLOCK signature
T{ RND-TEST-BLOCK BLOCK DUP ALIGNED = -> TRUE }T
\ BLOCK accepts all blocks in the test range
: BLOCK-ALL ( blk2 blk1 -- )
DO
I BLOCK DROP
LOOP ;
T{ LIMIT-TEST-BLOCK FIRST-TEST-BLOCK BLOCK-ALL -> }T
\ BLOCK twice on same block returns the same value
T{ RND-TEST-BLOCK DUP BLOCK SWAP BLOCK = -> TRUE }T
\ BLOCK twice on distinct block numbers
\ may or may not return the same value!
\ Nothing to test
\ ------------------------------------------------------------------------------
TESTING BUFFER ( read-only mode )
\ Although it is not in the spirit of the specification,
\ a compliant definition of BUFFER would be
\ : BUFFER BLOCK ;
\ So we can only repeat the tests for BLOCK ...
\ BUFFER signature
T{ RND-TEST-BLOCK BUFFER DUP ALIGNED = -> TRUE }T
\ BUFFER accepts all blocks in the test range
: BUFFER-ALL ( blk2 blk1 -- )
DO
I BUFFER DROP
LOOP ;
T{ LIMIT-TEST-BLOCK FIRST-TEST-BLOCK BUFFER-ALL -> }T
\ BUFFER twice on the same block returns the same value
T{ RND-TEST-BLOCK DUP BUFFER SWAP BUFFER = -> TRUE }T
\ BUFFER twice on distinct block numbers
\ may or may not return the same value!
\ Nothing to test
\ Combinations with BUFFER
T{ RND-TEST-BLOCK DUP BLOCK SWAP BUFFER = -> TRUE }T
T{ RND-TEST-BLOCK DUP BUFFER SWAP BLOCK = -> TRUE }T
\ ------------------------------------------------------------------------------
TESTING Read and Write access with UPDATE and FLUSH
\ Ideally, we'd like to be able to test the persistence across power cycles
\ of the writes, but we can't do that in a simple test.
\ The tests below could be fooled by a large buffers store and a tricky FLUSH
\ but what else are you going to do?
\ Signatures
T{ RND-TEST-BLOCK BLOCK DROP UPDATE -> }T
T{ FLUSH -> }T
: BLANK-BUFFER ( blk -- blk-addr )
BUFFER DUP 1024 BL FILL ;
\ Test R/W of a Simple Blank Random Block
T{ RND-TEST-BLOCK \ blk
DUP BLANK-BUFFER \ blk blk-addr1
1024 ELF-HASH \ blk hash
UPDATE FLUSH \ blk hash
SWAP BLOCK \ hash blk-addr2
1024 ELF-HASH = -> TRUE }T
\ Boundary Test: Modify first character
T{ RND-TEST-BLOCK \ blk
DUP BLANK-BUFFER \ blk blk-addr1
CHAR \ OVER C! \ blk blk-addr1
1024 ELF-HASH \ blk hash
UPDATE FLUSH \ blk hash
SWAP BLOCK \ hash blk-addr2
1024 ELF-HASH = -> TRUE }T
\ Boundary Test: Modify last character
T{ RND-TEST-BLOCK \ blk
DUP BLANK-BUFFER \ blk blk-addr1
CHAR \ OVER 1023 CHARS + C! \ blk blk-addr1
1024 ELF-HASH \ blk hash
UPDATE FLUSH \ blk hash
SWAP BLOCK \ hash blk-addr2
1024 ELF-HASH = -> TRUE }T
\ Boundary Test: First and Last (and all other) blocks in the test range
1024 8 * BITS/CELL / CONSTANT CELLS/BLOCK
: PREPARE-RND-BLOCK ( hash blk -- hash' )
BUFFER DUP \ hash blk-addr blk-addr
CELLS/BLOCK 0 DO \ hash blk-addr blk-addr[i]
BLOCK-RND OVER ! CELL+ \ hash blk-addr blk-addr[i+1]
LOOP DROP \ hash blk-addr
1024 ELF-HASH-ACCUMULATE ; \ hash'
: WRITE-RND-BLOCKS-WITH-HASH ( blk2 blk1 -- hash )
0 ROT ROT DO \ hash
I PREPARE-RND-BLOCK UPDATE \ hash'
LOOP ; \ hash'
: READ-BLOCKS-AND-HASH ( blk2 blk1 -- hash )
0 ROT ROT DO \ hash(i)
I BLOCK 1024 ELF-HASH-ACCUMULATE \ hash(i+1)
LOOP ; \ hash
T{ LIMIT-TEST-BLOCK FIRST-TEST-BLOCK WRITE-RND-BLOCKS-WITH-HASH FLUSH
LIMIT-TEST-BLOCK FIRST-TEST-BLOCK READ-BLOCKS-AND-HASH = -> TRUE }T
: TUF1 ( xt blk -- hash )
DUP BLANK-BUFFER \ xt blk blk-addr1
1024 ELF-HASH \ xt blk hash
ROT EXECUTE \ blk hash
SWAP BLOCK \ hash blk-addr2
1024 ELF-HASH = ; \ TRUE
\ Double UPDATE make no difference
: TUF1-1 ( -- ) UPDATE UPDATE FLUSH ;
T{ ' TUF1-1 RND-TEST-BLOCK TUF1 -> TRUE }T
\ Double FLUSH make no difference
: TUF1-2 ( -- ) UPDATE FLUSH FLUSH ;
T{ ' TUF1-2 RND-TEST-BLOCK TUF1 -> TRUE }T
\ FLUSH only saves UPDATEd buffers
T{ RND-TEST-BLOCK \ blk
0 OVER PREPARE-RND-BLOCK \ blk hash
UPDATE FLUSH \ blk hash
OVER 0 SWAP PREPARE-RND-BLOCK DROP \ blk hash
FLUSH ( with no preliminary UPDATE) \ blk hash
SWAP BLOCK 1024 ELF-HASH = -> TRUE }T
\ UPDATE only marks the current block buffer
\ This test needs at least 2 distinct buffers, though this is not a
\ requirement of the language specification. If 2 distinct buffers
\ are not returned, then the tests quits with a trivial Pass
: TUF2 ( xt blk1 blk2 -- hash1'' hash2'' hash1' hash2' hash1 hash2 )
OVER BUFFER OVER BUFFER = IF \ test needs 2 distinct buffers
2DROP DROP 0 0 0 0 0 0 \ Dummy result
ELSE
OVER 0 SWAP PREPARE-RND-BLOCK UPDATE \ xt blk1 blk2 hash1
OVER 0 SWAP PREPARE-RND-BLOCK UPDATE \ xt blk1 blk2 hash1 hash2
2>R \ xt blk1 blk2
FLUSH \ xt blk1 blk2
OVER 0 SWAP PREPARE-RND-BLOCK \ xt blk1 blk2 hash1'
OVER 0 SWAP PREPARE-RND-BLOCK \ xt blk1 blk2 hash1' hash2'
2>R \ xt blk1 blk2
ROT EXECUTE \ blk1 blk2
FLUSH \ blk1 blk2
SWAP BLOCK 1024 ELF-HASH \ blk2 hash1''
SWAP BLOCK 1024 ELF-HASH \ hash1'' hash2''
2R> 2R> \ hash1'' hash2'' hash1' hash2' hash1 hash2
THEN ;
: 2= ( x1 x2 x3 x4 -- flag )
ROT = ROT ROT = AND ;
: TUF2-0 ( blk1 blk2 -- blk1 blk2 ) ; \ no updates
T{ ' TUF2-0 2RND-TEST-BLOCKS TUF2 \ run test procedure
2SWAP 2DROP 2= -> TRUE }T \ compare expected and actual
: TUF2-1 ( blk1 blk2 -- blk1 blk2 ) \ update blk1 only
OVER BLOCK DROP UPDATE ;
T{ ' TUF2-1 2RND-TEST-BLOCKS TUF2 \ run test procedure
SWAP DROP SWAP DROP 2= -> TRUE }T
: TUF2-2 ( blk1 blk2 -- blk1 blk2 ) \ update blk2 only
DUP BUFFER DROP UPDATE ;
T{ ' TUF2-2 2RND-TEST-BLOCKS TUF2 \ run test procedure
DROP ROT DROP SWAP 2= -> TRUE }T
: TUF2-3 ( blk1 blk2 -- blk1 blk2 ) \ update blk1 and blk2
TUF2-1 TUF2-2 ;
T{ ' TUF2-3 2RND-TEST-BLOCKS TUF2 \ run test procedure
2DROP 2= -> TRUE }T
\ FLUSH and then UPDATE is ambiguous and untestable
\ ------------------------------------------------------------------------------
TESTING SAVE-BUFFERS
\ In principle, all the tests above can be repeated with SAVE-BUFFERS instead of
\ FLUSH. However, only the full random test is repeated...
T{ LIMIT-TEST-BLOCK FIRST-TEST-BLOCK WRITE-RND-BLOCKS-WITH-HASH SAVE-BUFFERS
LIMIT-TEST-BLOCK FIRST-TEST-BLOCK READ-BLOCKS-AND-HASH = -> TRUE }T
\ FLUSH and then SAVE-BUFFERS is harmless but undetectable
\ SAVE-BUFFERS and then FLUSH is undetectable
\ Unlike FLUSH, SAVE-BUFFERS then BUFFER/BLOCK
\ returns the original buffer address
T{ RND-TEST-BLOCK DUP BLANK-BUFFER
SAVE-BUFFERS SWAP BUFFER = -> TRUE }T
T{ RND-TEST-BLOCK DUP BLANK-BUFFER
UPDATE SAVE-BUFFERS SWAP BUFFER = -> TRUE }T
T{ RND-TEST-BLOCK DUP BLANK-BUFFER
SAVE-BUFFERS SWAP BLOCK = -> TRUE }T
T{ RND-TEST-BLOCK DUP BLANK-BUFFER
UPDATE SAVE-BUFFERS SWAP BLOCK = -> TRUE }T
\ ------------------------------------------------------------------------------
TESTING BLK
\ Signature
T{ BLK DUP ALIGNED = -> TRUE }T
\ None of the words considered so far effect BLK
T{ BLK @ RND-TEST-BLOCK BUFFER DROP BLK @ = -> TRUE }T
T{ BLK @ RND-TEST-BLOCK BLOCK DROP BLK @ = -> TRUE }T
T{ BLK @ UPDATE BLK @ = -> TRUE }T
T{ BLK @ FLUSH BLK @ = -> TRUE }T
T{ BLK @ SAVE-BUFFERS BLK @ = -> TRUE }T
\ ------------------------------------------------------------------------------
TESTING LOAD and EVALUATE
\ Signature: n LOAD --> blank screen
T{ RND-TEST-BLOCK DUP BLANK-BUFFER DROP UPDATE FLUSH LOAD -> }T
T{ BLK @ RND-TEST-BLOCK DUP BLANK-BUFFER DROP UPDATE FLUSH LOAD BLK @ = -> TRUE }T
: WRITE-BLOCK ( blk c-addr u -- )
ROT BLANK-BUFFER SWAP CHARS MOVE UPDATE FLUSH ;
\ blk: u; blk LOAD
: TL1 ( u blk -- )
SWAP 0 <# #S #> WRITE-BLOCK ;
T{ BLOCK-RND RND-TEST-BLOCK 2DUP TL1 LOAD = -> TRUE }T
\ Boundary Test: FIRST-TEST-BLOCK
T{ BLOCK-RND FIRST-TEST-BLOCK 2DUP TL1 LOAD = -> TRUE }T
\ Boundary Test: LIMIT-TEST-BLOCK-1
T{ BLOCK-RND LIMIT-TEST-BLOCK 1- 2DUP TL1 LOAD = -> TRUE }T
: WRITE-AT-END-OF-BLOCK ( blk c-addr u -- )
ROT BLANK-BUFFER
OVER 1024 SWAP - CHARS +
SWAP CHARS MOVE UPDATE FLUSH ;
\ Boundary Test: End of Buffer
: TL2 ( u blk -- )
SWAP 0 <# #S #> WRITE-AT-END-OF-BLOCK ;
T{ BLOCK-RND RND-TEST-BLOCK 2DUP TL2 LOAD = -> TRUE }T
\ LOAD updates BLK
\ u: "BLK @"; u LOAD
: TL3 ( blk -- )
S" BLK @" WRITE-BLOCK ;
T{ RND-TEST-BLOCK DUP TL3 DUP LOAD = -> TRUE }T
\ EVALUATE resets BLK
\ u: "EVALUATE-BLK@"; u LOAD
: EVALUATE-BLK@ ( -- BLK@ )
S" BLK @" EVALUATE ;
: TL4 ( blk -- )
S" EVALUATE-BLK@" WRITE-BLOCK ;
T{ RND-TEST-BLOCK DUP TL4 LOAD -> 0 }T
\ EVALUTE can nest with LOAD
\ u: "BLK @"; S" u LOAD" EVALUATE
: TL5 ( blk -- c-addr u )
0 <# \ blk 0
[CHAR] D HOLD
[CHAR] A HOLD
[CHAR] O HOLD
[CHAR] L HOLD
BL HOLD
#S #> ; \ c-addr u
T{ RND-TEST-BLOCK DUP TL3 DUP TL5 EVALUATE = -> TRUE }T
\ Nested LOADs
\ u2: "BLK @"; u1: "LOAD u2"; u1 LOAD
: TL6 ( blk1 blk2 -- )
DUP TL3 \ blk1 blk2
TL5 WRITE-BLOCK ;
T{ 2RND-TEST-BLOCKS 2DUP TL6 SWAP LOAD = -> TRUE }T
\ LOAD changes the currect block that is effected by UPDATE
\ This test needs at least 2 distinct buffers, though this is not a
\ requirement of the language specification. If 2 distinct buffers
\ are not returned, then the tests quits with a trivial Pass
: TL7 ( blk1 blk2 -- u1 u2 rnd2 blk2-addr rnd1' rnd1 )
OVER BUFFER OVER BUFFER = IF \ test needs 2 distinct buffers
2DROP 0 0 0 0 0 0 \ Dummy result
ELSE
OVER BLOCK-RND DUP ROT TL1 >R \ blk1 blk2
DUP S" SOURCE DROP" WRITE-BLOCK \ blk1 blk2
\ change blk1 to a new rnd, but don't UPDATE
OVER BLANK-BUFFER \ blk1 blk2 blk1-addr
BLOCK-RND DUP >R \ blk1 blk2 blk1-addr rnd1'
0 <# #S #> \ blk1 blk2 blk1-addr c-addr u
ROT SWAP CHARS MOVE \ blk1 blk2
\ Now LOAD blk2
DUP LOAD DUP >R \ blk1 blk2 blk2-addr
\ Write a new blk2
DUP 1024 BL FILL \ blk1 blk2 blk2-addr
BLOCK-RND DUP >R \ blk1 blk2 blk2-addr rnd2
0 <# #S #> \ blk1 blk2 blk2-addr c-addr u
ROT SWAP CHARS MOVE \ blk1 blk2
\ The following UPDATE should refer to the LOADed blk2, not blk1
UPDATE FLUSH \ blk1 blk2
\ Finally, load both blocks then collect all results
LOAD SWAP LOAD \ u2 u1
R> R> R> R> \ u2 u1 rnd2 blk2-addr rnd1' rnd1
THEN ;
T{ 2RND-TEST-BLOCKS TL7 \ run test procedure
SWAP DROP SWAP DROP \ u2 u1 rnd2 rnd1
2= -> TRUE }T
\ I would expect LOAD to work on the contents of the buffer cache
\ and not the block device, but the specification doesn't say.
\ Similarly, I would not expect LOAD to FLUSH the buffer cache,
\ but the specification doesn't say so.
\ ------------------------------------------------------------------------------
TESTING LIST and SCR
\ Signatures
T{ SCR DUP ALIGNED = -> TRUE }T
\ LIST signature is test implicitly in the following tests...
: TLS1 ( blk -- )
S" Should show a (mostly) blank screen" WRITE-BLOCK ;
T{ RND-TEST-BLOCK DUP TLS1 DUP LIST SCR @ = -> TRUE }T
\ Boundary Test: FIRST-TEST-BLOCK
: TLS2 ( blk -- )
S" List of the First test block" WRITE-BLOCK ;
T{ FIRST-TEST-BLOCK DUP TLS2 LIST -> }T
\ Boundary Test: LIMIT-TEST-BLOCK
: TLS3 ( blk -- )
S" List of the Last test block" WRITE-BLOCK ;
T{ LIMIT-TEST-BLOCK 1- DUP TLS3 LIST -> }T
\ Boundary Test: End of Screen
: TLS4 ( blk -- )
S" End of Screen" WRITE-AT-END-OF-BLOCK ;
T{ RND-TEST-BLOCK DUP TLS4 LIST -> }T
\ BLOCK, BUFFER, UPDATE et al don't change SCR
: TLS5 ( blk -- )
S" Should show another (mostly) blank screen" WRITE-BLOCK ;
\ the first test below sets the scenario for the subsequent tests
\ BLK is unchanged by LIST
T{ BLK @ RND-TEST-BLOCK DUP TLS5 LIST BLK @ = -> TRUE }T
\ SCR is unchanged by Earlier words
T{ SCR @ FLUSH SCR @ = -> TRUE }T
T{ SCR @ FLUSH DUP 1+ BUFFER DROP SCR @ = -> TRUE }T
T{ SCR @ FLUSH DUP 1+ BLOCK DROP SCR @ = -> TRUE }T
T{ SCR @ FLUSH DUP 1+ BLOCK DROP UPDATE SCR @ = -> TRUE }T
T{ SCR @ FLUSH DUP 1+ BLOCK DROP UPDATE SAVE-BUFFERS SCR @ = -> TRUE }T
: TLS6 ( blk -- )
S" SCR @" WRITE-BLOCK ;
T{ SCR @ RND-TEST-BLOCK DUP TLS6 LOAD SCR @ OVER 2= -> TRUE }T
\ ------------------------------------------------------------------------------
TESTING EMPTY-BUFFERS
T{ EMPTY-BUFFERS -> }T
T{ BLK @ EMPTY-BUFFERS BLK @ = -> TRUE }T
T{ SCR @ EMPTY-BUFFERS SCR @ = -> TRUE }T
\ Test R/W, but discarded changes with EMPTY-BUFFERS
T{ RND-TEST-BLOCK \ blk
DUP BLANK-BUFFER \ blk blk-addr1
1024 ELF-HASH \ blk hash
UPDATE FLUSH \ blk hash
OVER BLOCK CHAR \ SWAP C! \ blk hash
UPDATE EMPTY-BUFFERS FLUSH \ blk hash
SWAP BLOCK \ hash blk-addr2
1024 ELF-HASH = -> TRUE }T
\ EMPTY-BUFFERS discards all buffers
: TUF2-EB ( blk1 blk2 -- blk1 blk2 )
TUF2-1 TUF2-2 EMPTY-BUFFERS ; \ c.f. TUF2-3
T{ ' TUF2-EB 2RND-TEST-BLOCKS TUF2
2SWAP 2DROP 2= -> TRUE }T
\ FLUSH and then EMPTY-BUFFERS is acceptable but untestable
\ EMPTY-BUFFERS and then UPDATE is ambiguous and untestable
\ ------------------------------------------------------------------------------
TESTING >IN manipulation from a block source
: TIN ( blk -- )
S" 1 8 >IN +! 2 3" WRITE-BLOCK ;
T{ RND-TEST-BLOCK DUP TIN LOAD -> 1 3 }T
\ ------------------------------------------------------------------------------
TESTING \, SAVE-INPUT, RESTORE-INPUT and REFILL from a block source
\ Try to determine the number of charaters per line
\ Assumes an even number of characters per line
: | ( u -- u-2 ) 2 - ;
: C/L-CALC ( blk -- c/l )
DUP BLANK-BUFFER \ blk blk-addr
[CHAR] \ OVER C! \ blk blk-addr blk:"\"
511 0 DO \ blk c-addr[i]
CHAR+ CHAR+ [CHAR] | OVER C! \ blk c-addr[i+1]
LOOP DROP \ blk blk:"\ | | | | ... |"
UPDATE SAVE-BUFFERS FLUSH \ blk
1024 SWAP LOAD ; \ c/l
[?DEF] C/L
[?ELSE]
\? .( Given Characters per Line: ) C/L U. CR
[?ELSE]
\? RND-TEST-BLOCK C/L-CALC CONSTANT C/L
\? C/L 1024 U< [?IF]
\? .( Calculated Characters per Line: ) C/L U. CR
[?THEN]
: WRITE-BLOCK-LINE ( lin-addr[i] c-addr u -- lin-addr[i+1] )
2>R DUP C/L CHARS + SWAP 2R> ROT SWAP MOVE ;
\ Discards to the end of the line
: TCSIRIR1 ( blk -- )
BLANK-BUFFER
C/L 1024 U< IF
S" 2222 \ 3333" WRITE-BLOCK-LINE
S" 4444" WRITE-BLOCK-LINE
THEN
DROP UPDATE SAVE-BUFFERS ;
T{ RND-TEST-BLOCK DUP TCSIRIR1 LOAD -> 2222 4444 }T
VARIABLE T-CNT 0 T-CNT !
: MARK ( "<char>" -- ) \ Use between <# and #>
CHAR HOLD ; IMMEDIATE
: ?EXECUTE ( xt f -- )
IF EXECUTE ELSE DROP THEN ;
\ SAVE-INPUT and RESTORE-INPUT within a single block
: TCSIRIR2-EXPECTED S" EDCBCBA" ; \ Remember that the string comes out backwards
: TCSIRIR2 ( blk -- )
C/L 1024 U< IF
BLANK-BUFFER
S" 0 T-CNT !" WRITE-BLOCK-LINE
S" <# MARK A SAVE-INPUT MARK B" WRITE-BLOCK-LINE
S" 1 T-CNT +! MARK C ' RESTORE-INPUT T-CNT @ 2 < ?EXECUTE MARK D" WRITE-BLOCK-LINE
S" MARK E 0 0 #>" WRITE-BLOCK-LINE
UPDATE SAVE-BUFFERS DROP
ELSE
S" 0 TCSIRIR2-EXPECTED" WRITE-BLOCK
THEN ;
T{ RND-TEST-BLOCK DUP TCSIRIR2 LOAD TCSIRIR2-EXPECTED S= -> 0 TRUE }T
\ REFILL across 2 blocks
: TCSIRIR3 ( blks -- )
DUP S" 1 2 3 REFILL 4 5 6" WRITE-BLOCK
1+ S" 10 11 12" WRITE-BLOCK ;
T{ 2 RND-TEST-BLOCK-SEQ DUP TCSIRIR3 LOAD -> 1 2 3 -1 10 11 12 }T
\ SAVE-INPUT and RESTORE-INPUT across 2 blocks
: TCSIRIR4-EXPECTED S" HGF1ECBF1ECBA" ; \ Remember that the string comes out backwards
: TCSIRIR4 ( blks -- )
C/L 1024 U< IF
DUP BLANK-BUFFER
S" 0 T-CNT !" WRITE-BLOCK-LINE
S" <# MARK A SAVE-INPUT MARK B" WRITE-BLOCK-LINE
S" MARK C REFILL MARK D" WRITE-BLOCK-LINE
DROP UPDATE 1+ BLANK-BUFFER
S" MARK E ABS CHAR 0 + HOLD" WRITE-BLOCK-LINE
S" 1 T-CNT +! MARK F ' RESTORE-INPUT T-CNT @ 2 < ?EXECUTE MARK G" WRITE-BLOCK-LINE
S" MARK H 0 0 #>" WRITE-BLOCK-LINE
DROP UPDATE SAVE-BUFFERS
ELSE
S" 0 TCSIRIR4-EXPECTED" WRITE-BLOCK
THEN ;
T{ 2 RND-TEST-BLOCK-SEQ DUP TCSIRIR4 LOAD TCSIRIR4-EXPECTED S= -> 0 TRUE }T
\ ------------------------------------------------------------------------------
TESTING THRU
: TT1 ( blks -- )
DUP S" BLK" WRITE-BLOCK
1+ S" @" WRITE-BLOCK ;
T{ 2 RND-TEST-BLOCK-SEQ DUP TT1 DUP DUP 1+ THRU 1- = -> TRUE }T
\ ------------------------------------------------------------------------------
BLOCK-ERRORS SET-ERROR-COUNT
CR .( End of Block word tests) CR

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\ To test 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 0.13 28 October 2015
\ Replace <FALSE> and <TRUE> with FALSE and TRUE to avoid
\ dependence on Core tests
\ Moved SAVE-INPUT and RESTORE-INPUT tests in a file to filetest.fth
\ Use of 2VARIABLE (from optional wordset) replaced with CREATE.
\ Minor lower to upper case conversions.
\ Calls to COMPARE replaced by S= (in utilities.fth) to avoid use
\ of a word from an optional word set.
\ UNUSED tests revised as UNUSED UNUSED = may return FALSE when an
\ implementation has the data stack sharing unused dataspace.
\ Double number input dependency removed from the HOLDS tests.
\ Minor case sensitivities removed in definition names.
\ 0.11 25 April 2015
\ Added tests for PARSE-NAME HOLDS BUFFER:
\ S\" tests added
\ DEFER IS ACTION-OF DEFER! DEFER@ tests added
\ Empty CASE statement test added
\ [COMPILE] tests removed because it is obsolescent in Forth 2012
\ 0.10 1 August 2014
\ Added tests contributed by James Bowman for:
\ <> U> 0<> 0> NIP TUCK ROLL PICK 2>R 2R@ 2R>
\ HEX WITHIN UNUSED AGAIN MARKER
\ Added tests for:
\ .R U.R ERASE PAD REFILL SOURCE-ID
\ Removed ABORT from NeverExecuted to enable Win32
\ to continue after failure of RESTORE-INPUT.
\ Removed max-intx which is no longer used.
\ 0.7 6 June 2012 Extra CASE test added
\ 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
\ -----------------------------------------------------------------------------
\ The tests are based on John Hayes test program for the core word set
\ Words tested in this file are:
\ .( .R 0<> 0> 2>R 2R> 2R@ :NONAME <> ?DO AGAIN C" CASE COMPILE, ENDCASE
\ ENDOF ERASE FALSE HEX MARKER NIP OF PAD PARSE PICK REFILL
\ RESTORE-INPUT ROLL SAVE-INPUT SOURCE-ID TO TRUE TUCK U.R U> UNUSED
\ VALUE WITHIN [COMPILE]
\ Words not tested or partially tested:
\ \ because it has been extensively used already and is, hence, unnecessary
\ REFILL and SOURCE-ID from the user input device which are not possible
\ when testing from a file such as this one
\ UNUSED (partially tested) as the value returned is system dependent
\ Obsolescent words #TIB CONVERT EXPECT QUERY SPAN TIB as they have been
\ removed from the Forth 2012 standard
\ Results from words that output to the user output device have to visually
\ checked for correctness. These are .R U.R .(
\ -----------------------------------------------------------------------------
\ Assumptions & dependencies:
\ - tester.fr (or ttester.fs), errorreport.fth and utilities.fth have been
\ included prior to this file
\ - the Core word set available
\ -----------------------------------------------------------------------------
TESTING Core Extension words
DECIMAL
TESTING TRUE FALSE
T{ TRUE -> 0 INVERT }T
T{ FALSE -> 0 }T
\ -----------------------------------------------------------------------------
TESTING <> U> (contributed by James Bowman)
T{ 0 0 <> -> FALSE }T
T{ 1 1 <> -> FALSE }T
T{ -1 -1 <> -> FALSE }T
T{ 1 0 <> -> TRUE }T
T{ -1 0 <> -> TRUE }T
T{ 0 1 <> -> TRUE }T
T{ 0 -1 <> -> TRUE }T
T{ 0 1 U> -> FALSE }T
T{ 1 2 U> -> FALSE }T
T{ 0 MID-UINT U> -> FALSE }T
T{ 0 MAX-UINT U> -> FALSE }T
T{ MID-UINT MAX-UINT U> -> FALSE }T
T{ 0 0 U> -> FALSE }T
T{ 1 1 U> -> FALSE }T
T{ 1 0 U> -> TRUE }T
T{ 2 1 U> -> TRUE }T
T{ MID-UINT 0 U> -> TRUE }T
T{ MAX-UINT 0 U> -> TRUE }T
T{ MAX-UINT MID-UINT U> -> TRUE }T
\ -----------------------------------------------------------------------------
TESTING 0<> 0> (contributed by James Bowman)
T{ 0 0<> -> FALSE }T
T{ 1 0<> -> TRUE }T
T{ 2 0<> -> TRUE }T
T{ -1 0<> -> TRUE }T
T{ MAX-UINT 0<> -> TRUE }T
T{ MIN-INT 0<> -> TRUE }T
T{ MAX-INT 0<> -> TRUE }T
T{ 0 0> -> FALSE }T
T{ -1 0> -> FALSE }T
T{ MIN-INT 0> -> FALSE }T
T{ 1 0> -> TRUE }T
T{ MAX-INT 0> -> TRUE }T
\ -----------------------------------------------------------------------------
TESTING NIP TUCK ROLL PICK (contributed by James Bowman)
T{ 1 2 NIP -> 2 }T
T{ 1 2 3 NIP -> 1 3 }T
T{ 1 2 TUCK -> 2 1 2 }T
T{ 1 2 3 TUCK -> 1 3 2 3 }T
T{ : RO5 100 200 300 400 500 ; -> }T
T{ RO5 3 ROLL -> 100 300 400 500 200 }T
T{ RO5 2 ROLL -> RO5 ROT }T
T{ RO5 1 ROLL -> RO5 SWAP }T
T{ RO5 0 ROLL -> RO5 }T
T{ RO5 2 PICK -> 100 200 300 400 500 300 }T
T{ RO5 1 PICK -> RO5 OVER }T
T{ RO5 0 PICK -> RO5 DUP }T
\ -----------------------------------------------------------------------------
TESTING 2>R 2R@ 2R> (contributed by James Bowman)
T{ : RR0 2>R 100 R> R> ; -> }T
T{ 300 400 RR0 -> 100 400 300 }T
T{ 200 300 400 RR0 -> 200 100 400 300 }T
T{ : RR1 2>R 100 2R@ R> R> ; -> }T
T{ 300 400 RR1 -> 100 300 400 400 300 }T
T{ 200 300 400 RR1 -> 200 100 300 400 400 300 }T
T{ : RR2 2>R 100 2R> ; -> }T
T{ 300 400 RR2 -> 100 300 400 }T
T{ 200 300 400 RR2 -> 200 100 300 400 }T
\ -----------------------------------------------------------------------------
TESTING HEX (contributed by James Bowman)
T{ BASE @ HEX BASE @ DECIMAL BASE @ - SWAP BASE ! -> 6 }T
\ -----------------------------------------------------------------------------
TESTING WITHIN (contributed by James Bowman)
T{ 0 0 0 WITHIN -> FALSE }T
T{ 0 0 MID-UINT WITHIN -> TRUE }T
T{ 0 0 MID-UINT+1 WITHIN -> TRUE }T
T{ 0 0 MAX-UINT WITHIN -> TRUE }T
T{ 0 MID-UINT 0 WITHIN -> FALSE }T
T{ 0 MID-UINT MID-UINT WITHIN -> FALSE }T
T{ 0 MID-UINT MID-UINT+1 WITHIN -> FALSE }T
T{ 0 MID-UINT MAX-UINT WITHIN -> FALSE }T
T{ 0 MID-UINT+1 0 WITHIN -> FALSE }T
T{ 0 MID-UINT+1 MID-UINT WITHIN -> TRUE }T
T{ 0 MID-UINT+1 MID-UINT+1 WITHIN -> FALSE }T
T{ 0 MID-UINT+1 MAX-UINT WITHIN -> FALSE }T
T{ 0 MAX-UINT 0 WITHIN -> FALSE }T
T{ 0 MAX-UINT MID-UINT WITHIN -> TRUE }T
T{ 0 MAX-UINT MID-UINT+1 WITHIN -> TRUE }T
T{ 0 MAX-UINT MAX-UINT WITHIN -> FALSE }T
T{ MID-UINT 0 0 WITHIN -> FALSE }T
T{ MID-UINT 0 MID-UINT WITHIN -> FALSE }T
T{ MID-UINT 0 MID-UINT+1 WITHIN -> TRUE }T
T{ MID-UINT 0 MAX-UINT WITHIN -> TRUE }T
T{ MID-UINT MID-UINT 0 WITHIN -> TRUE }T
T{ MID-UINT MID-UINT MID-UINT WITHIN -> FALSE }T
T{ MID-UINT MID-UINT MID-UINT+1 WITHIN -> TRUE }T
T{ MID-UINT MID-UINT MAX-UINT WITHIN -> TRUE }T
T{ MID-UINT MID-UINT+1 0 WITHIN -> FALSE }T
T{ MID-UINT MID-UINT+1 MID-UINT WITHIN -> FALSE }T
T{ MID-UINT MID-UINT+1 MID-UINT+1 WITHIN -> FALSE }T
T{ MID-UINT MID-UINT+1 MAX-UINT WITHIN -> FALSE }T
T{ MID-UINT MAX-UINT 0 WITHIN -> FALSE }T
T{ MID-UINT MAX-UINT MID-UINT WITHIN -> FALSE }T
T{ MID-UINT MAX-UINT MID-UINT+1 WITHIN -> TRUE }T
T{ MID-UINT MAX-UINT MAX-UINT WITHIN -> FALSE }T
T{ MID-UINT+1 0 0 WITHIN -> FALSE }T
T{ MID-UINT+1 0 MID-UINT WITHIN -> FALSE }T
T{ MID-UINT+1 0 MID-UINT+1 WITHIN -> FALSE }T
T{ MID-UINT+1 0 MAX-UINT WITHIN -> TRUE }T
T{ MID-UINT+1 MID-UINT 0 WITHIN -> TRUE }T
T{ MID-UINT+1 MID-UINT MID-UINT WITHIN -> FALSE }T
T{ MID-UINT+1 MID-UINT MID-UINT+1 WITHIN -> FALSE }T
T{ MID-UINT+1 MID-UINT MAX-UINT WITHIN -> TRUE }T
T{ MID-UINT+1 MID-UINT+1 0 WITHIN -> TRUE }T
T{ MID-UINT+1 MID-UINT+1 MID-UINT WITHIN -> TRUE }T
T{ MID-UINT+1 MID-UINT+1 MID-UINT+1 WITHIN -> FALSE }T
T{ MID-UINT+1 MID-UINT+1 MAX-UINT WITHIN -> TRUE }T
T{ MID-UINT+1 MAX-UINT 0 WITHIN -> FALSE }T
T{ MID-UINT+1 MAX-UINT MID-UINT WITHIN -> FALSE }T
T{ MID-UINT+1 MAX-UINT MID-UINT+1 WITHIN -> FALSE }T
T{ MID-UINT+1 MAX-UINT MAX-UINT WITHIN -> FALSE }T
T{ MAX-UINT 0 0 WITHIN -> FALSE }T
T{ MAX-UINT 0 MID-UINT WITHIN -> FALSE }T
T{ MAX-UINT 0 MID-UINT+1 WITHIN -> FALSE }T
T{ MAX-UINT 0 MAX-UINT WITHIN -> FALSE }T
T{ MAX-UINT MID-UINT 0 WITHIN -> TRUE }T
T{ MAX-UINT MID-UINT MID-UINT WITHIN -> FALSE }T
T{ MAX-UINT MID-UINT MID-UINT+1 WITHIN -> FALSE }T
T{ MAX-UINT MID-UINT MAX-UINT WITHIN -> FALSE }T
T{ MAX-UINT MID-UINT+1 0 WITHIN -> TRUE }T
T{ MAX-UINT MID-UINT+1 MID-UINT WITHIN -> TRUE }T
T{ MAX-UINT MID-UINT+1 MID-UINT+1 WITHIN -> FALSE }T
T{ MAX-UINT MID-UINT+1 MAX-UINT WITHIN -> FALSE }T
T{ MAX-UINT MAX-UINT 0 WITHIN -> TRUE }T
T{ MAX-UINT MAX-UINT MID-UINT WITHIN -> TRUE }T
T{ MAX-UINT MAX-UINT MID-UINT+1 WITHIN -> TRUE }T
T{ MAX-UINT MAX-UINT MAX-UINT WITHIN -> FALSE }T
T{ MIN-INT MIN-INT MIN-INT WITHIN -> FALSE }T
T{ MIN-INT MIN-INT 0 WITHIN -> TRUE }T
T{ MIN-INT MIN-INT 1 WITHIN -> TRUE }T
T{ MIN-INT MIN-INT MAX-INT WITHIN -> TRUE }T
T{ MIN-INT 0 MIN-INT WITHIN -> FALSE }T
T{ MIN-INT 0 0 WITHIN -> FALSE }T
T{ MIN-INT 0 1 WITHIN -> FALSE }T
T{ MIN-INT 0 MAX-INT WITHIN -> FALSE }T
T{ MIN-INT 1 MIN-INT WITHIN -> FALSE }T
T{ MIN-INT 1 0 WITHIN -> TRUE }T
T{ MIN-INT 1 1 WITHIN -> FALSE }T
T{ MIN-INT 1 MAX-INT WITHIN -> FALSE }T
T{ MIN-INT MAX-INT MIN-INT WITHIN -> FALSE }T
T{ MIN-INT MAX-INT 0 WITHIN -> TRUE }T
T{ MIN-INT MAX-INT 1 WITHIN -> TRUE }T
T{ MIN-INT MAX-INT MAX-INT WITHIN -> FALSE }T
T{ 0 MIN-INT MIN-INT WITHIN -> FALSE }T
T{ 0 MIN-INT 0 WITHIN -> FALSE }T
T{ 0 MIN-INT 1 WITHIN -> TRUE }T
T{ 0 MIN-INT MAX-INT WITHIN -> TRUE }T
T{ 0 0 MIN-INT WITHIN -> TRUE }T
T{ 0 0 0 WITHIN -> FALSE }T
T{ 0 0 1 WITHIN -> TRUE }T
T{ 0 0 MAX-INT WITHIN -> TRUE }T
T{ 0 1 MIN-INT WITHIN -> FALSE }T
T{ 0 1 0 WITHIN -> FALSE }T
T{ 0 1 1 WITHIN -> FALSE }T
T{ 0 1 MAX-INT WITHIN -> FALSE }T
T{ 0 MAX-INT MIN-INT WITHIN -> FALSE }T
T{ 0 MAX-INT 0 WITHIN -> FALSE }T
T{ 0 MAX-INT 1 WITHIN -> TRUE }T
T{ 0 MAX-INT MAX-INT WITHIN -> FALSE }T
T{ 1 MIN-INT MIN-INT WITHIN -> FALSE }T
T{ 1 MIN-INT 0 WITHIN -> FALSE }T
T{ 1 MIN-INT 1 WITHIN -> FALSE }T
T{ 1 MIN-INT MAX-INT WITHIN -> TRUE }T
T{ 1 0 MIN-INT WITHIN -> TRUE }T
T{ 1 0 0 WITHIN -> FALSE }T
T{ 1 0 1 WITHIN -> FALSE }T
T{ 1 0 MAX-INT WITHIN -> TRUE }T
T{ 1 1 MIN-INT WITHIN -> TRUE }T
T{ 1 1 0 WITHIN -> TRUE }T
T{ 1 1 1 WITHIN -> FALSE }T
T{ 1 1 MAX-INT WITHIN -> TRUE }T
T{ 1 MAX-INT MIN-INT WITHIN -> FALSE }T
T{ 1 MAX-INT 0 WITHIN -> FALSE }T
T{ 1 MAX-INT 1 WITHIN -> FALSE }T
T{ 1 MAX-INT MAX-INT WITHIN -> FALSE }T
T{ MAX-INT MIN-INT MIN-INT WITHIN -> FALSE }T
T{ MAX-INT MIN-INT 0 WITHIN -> FALSE }T
T{ MAX-INT MIN-INT 1 WITHIN -> FALSE }T
T{ MAX-INT MIN-INT MAX-INT WITHIN -> FALSE }T
T{ MAX-INT 0 MIN-INT WITHIN -> TRUE }T
T{ MAX-INT 0 0 WITHIN -> FALSE }T
T{ MAX-INT 0 1 WITHIN -> FALSE }T
T{ MAX-INT 0 MAX-INT WITHIN -> FALSE }T
T{ MAX-INT 1 MIN-INT WITHIN -> TRUE }T
T{ MAX-INT 1 0 WITHIN -> TRUE }T
T{ MAX-INT 1 1 WITHIN -> FALSE }T
T{ MAX-INT 1 MAX-INT WITHIN -> FALSE }T
T{ MAX-INT MAX-INT MIN-INT WITHIN -> TRUE }T
T{ MAX-INT MAX-INT 0 WITHIN -> TRUE }T
T{ MAX-INT MAX-INT 1 WITHIN -> TRUE }T
T{ MAX-INT MAX-INT MAX-INT WITHIN -> FALSE }T
\ -----------------------------------------------------------------------------
TESTING UNUSED (contributed by James Bowman & Peter Knaggs)
VARIABLE UNUSED0
T{ UNUSED DROP -> }T
T{ ALIGN UNUSED UNUSED0 ! 0 , UNUSED CELL+ UNUSED0 @ = -> TRUE }T
T{ UNUSED UNUSED0 ! 0 C, UNUSED CHAR+ UNUSED0 @ =
-> TRUE }T \ aligned -> unaligned
T{ UNUSED UNUSED0 ! 0 C, UNUSED CHAR+ UNUSED0 @ = -> TRUE }T \ unaligned -> ?
\ -----------------------------------------------------------------------------
TESTING AGAIN (contributed by James Bowman)
T{ : AG0 701 BEGIN DUP 7 MOD 0= IF EXIT THEN 1+ AGAIN ; -> }T
T{ AG0 -> 707 }T
\ -----------------------------------------------------------------------------
TESTING MARKER (contributed by James Bowman)
T{ : MA? BL WORD FIND NIP 0<> ; -> }T
T{ MARKER MA0 -> }T
T{ : MA1 111 ; -> }T
T{ MARKER MA2 -> }T
T{ : MA1 222 ; -> }T
T{ MA? MA0 MA? MA1 MA? MA2 -> TRUE TRUE TRUE }T
T{ MA1 MA2 MA1 -> 222 111 }T
T{ MA? MA0 MA? MA1 MA? MA2 -> TRUE TRUE FALSE }T
T{ MA0 -> }T
T{ MA? MA0 MA? MA1 MA? MA2 -> FALSE FALSE FALSE }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 BUFFER:
T{ 8 BUFFER: BUF:TEST -> }T
T{ BUF:TEST DUP ALIGNED = -> TRUE }T
T{ 111 BUF:TEST ! 222 BUF:TEST CELL+ ! -> }T
T{ BUF:TEST @ BUF:TEST CELL+ @ -> 111 222 }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
\ Nested CASE's
: 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
\ Boolean short circuiting using CASE
: CS3 ( N1 -- N2 )
CASE 1- FALSE OF 11 ENDOF
1- FALSE OF 22 ENDOF
1- FALSE OF 33 ENDOF
44 SWAP
ENDCASE
;
T{ 1 CS3 -> 11 }T
T{ 2 CS3 -> 22 }T
T{ 3 CS3 -> 33 }T
T{ 9 CS3 -> 44 }T
\ Empty CASE statements with/without default
T{ : CS4 CASE ENDCASE ; 1 CS4 -> }T
T{ : CS5 CASE 2 SWAP ENDCASE ; 1 CS5 -> 2 }T
T{ : CS6 CASE 1 OF ENDOF 2 ENDCASE ; 1 CS6 -> }T
T{ : CS7 CASE 3 OF ENDOF 2 ENDCASE ; 1 CS7 -> 1 }T
\ -----------------------------------------------------------------------------
TESTING :NONAME RECURSE
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 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,
:NONAME DUP + ; CONSTANT DUP+
T{ : Q DUP+ COMPILE, ; -> }T
T{ : AS1 [ Q ] ; -> }T
T{ 123 AS1 -> 246 }T
\ -----------------------------------------------------------------------------
\ Cannot automatically test SAVE-INPUT and RESTORE-INPUT from a console source
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 .(
CR CR .( Output from .()
T{ CR .( You should see -9876: ) -9876 . -> }T
T{ CR .( and again: ).( -9876)CR -> }T
CR CR .( On the next 2 lines you should see First then Second messages:)
T{ : DOTP CR ." Second message via ." [CHAR] " EMIT \ Check .( is immediate
[ CR ] .( First message via .( ) ; DOTP -> }T
CR CR
T{ : IMM? BL WORD FIND NIP ; IMM? .( -> 1 }T
\ -----------------------------------------------------------------------------
TESTING .R and U.R - has to handle different cell sizes
\ Create some large integers just below/above MAX and Min INTs
MAX-INT 73 79 */ CONSTANT LI1
MIN-INT 71 73 */ CONSTANT LI2
LI1 0 <# #S #> NIP CONSTANT LENLI1
: (.R&U.R) ( u1 u2 -- ) \ u1 <= string length, u2 is required indentation
TUCK + >R
LI1 OVER SPACES . CR R@ LI1 SWAP .R CR
LI2 OVER SPACES . CR R@ 1+ LI2 SWAP .R CR
LI1 OVER SPACES U. CR R@ LI1 SWAP U.R CR
LI2 SWAP SPACES U. CR R> LI2 SWAP U.R CR
;
: .R&U.R ( -- )
CR ." You should see lines duplicated:" CR
." indented by 0 spaces" CR 0 0 (.R&U.R) CR
." indented by 0 spaces" CR LENLI1 0 (.R&U.R) CR \ Just fits required width
." indented by 5 spaces" CR LENLI1 5 (.R&U.R) CR
;
CR CR .( Output from .R and U.R)
T{ .R&U.R -> }T
\ -----------------------------------------------------------------------------
TESTING PAD ERASE
\ Must handle different size characters i.e. 1 CHARS >= 1
84 CONSTANT CHARS/PAD \ Minimum size of PAD in chars
CHARS/PAD CHARS CONSTANT AUS/PAD
: CHECKPAD ( caddr u ch -- f ) \ f = TRUE if u chars = ch
SWAP 0
?DO
OVER I CHARS + C@ OVER <>
IF 2DROP UNLOOP FALSE EXIT THEN
LOOP
2DROP TRUE
;
T{ PAD DROP -> }T
T{ 0 INVERT PAD C! -> }T
T{ PAD C@ CONSTANT MAXCHAR -> }T
T{ PAD CHARS/PAD 2DUP MAXCHAR FILL MAXCHAR CHECKPAD -> TRUE }T
T{ PAD CHARS/PAD 2DUP CHARS ERASE 0 CHECKPAD -> TRUE }T
T{ PAD CHARS/PAD 2DUP MAXCHAR FILL PAD 0 ERASE MAXCHAR CHECKPAD -> TRUE }T
T{ PAD 43 CHARS + 9 CHARS ERASE -> }T
T{ PAD 43 MAXCHAR CHECKPAD -> TRUE }T
T{ PAD 43 CHARS + 9 0 CHECKPAD -> TRUE }T
T{ PAD 52 CHARS + CHARS/PAD 52 - MAXCHAR CHECKPAD -> TRUE }T
\ Check that use of WORD and pictured numeric output do not corrupt PAD
\ Minimum size of buffers for these are 33 chars and (2*n)+2 chars respectively
\ where n is number of bits per cell
PAD CHARS/PAD ERASE
2 BASE !
MAX-UINT MAX-UINT <# #S CHAR 1 DUP HOLD HOLD #> 2DROP
DECIMAL
BL WORD 12345678123456781234567812345678 DROP
T{ PAD CHARS/PAD 0 CHECKPAD -> TRUE }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
\ -----------------------------------------------------------------------------
TESTING PARSE-NAME (Forth 2012)
\ Adapted from the PARSE-NAME RfD tests
T{ PARSE-NAME abcd STR1 S= -> TRUE }T \ No leading spaces
T{ PARSE-NAME abcde STR2 S= -> TRUE }T \ Leading spaces
\ Test empty parse area, new lines are necessary
T{ PARSE-NAME
NIP -> 0 }T
\ Empty parse area with spaces after PARSE-NAME
T{ PARSE-NAME
NIP -> 0 }T
T{ : PARSE-NAME-TEST ( "name1" "name2" -- n )
PARSE-NAME PARSE-NAME S= ; -> }T
T{ PARSE-NAME-TEST abcd abcd -> TRUE }T
T{ PARSE-NAME-TEST abcd abcd -> TRUE }T \ Leading spaces
T{ PARSE-NAME-TEST abcde abcdf -> FALSE }T
T{ PARSE-NAME-TEST abcdf abcde -> FALSE }T
T{ PARSE-NAME-TEST abcde abcde
-> TRUE }T \ Parse to end of line
T{ PARSE-NAME-TEST abcde abcde
-> TRUE }T \ Leading and trailing spaces
\ -----------------------------------------------------------------------------
TESTING DEFER DEFER@ DEFER! IS ACTION-OF (Forth 2012)
\ Adapted from the Forth 200X RfD tests
T{ DEFER DEFER1 -> }T
T{ : MY-DEFER DEFER ; -> }T
T{ : IS-DEFER1 IS DEFER1 ; -> }T
T{ : ACTION-DEFER1 ACTION-OF DEFER1 ; -> }T
T{ : DEF! DEFER! ; -> }T
T{ : DEF@ DEFER@ ; -> }T
T{ ' * ' DEFER1 DEFER! -> }T
T{ 2 3 DEFER1 -> 6 }T
T{ ' DEFER1 DEFER@ -> ' * }T
T{ ' DEFER1 DEF@ -> ' * }T
T{ ACTION-OF DEFER1 -> ' * }T
T{ ACTION-DEFER1 -> ' * }T
T{ ' + IS DEFER1 -> }T
T{ 1 2 DEFER1 -> 3 }T
T{ ' DEFER1 DEFER@ -> ' + }T
T{ ' DEFER1 DEF@ -> ' + }T
T{ ACTION-OF DEFER1 -> ' + }T
T{ ACTION-DEFER1 -> ' + }T
T{ ' - IS-DEFER1 -> }T
T{ 1 2 DEFER1 -> -1 }T
T{ ' DEFER1 DEFER@ -> ' - }T
T{ ' DEFER1 DEF@ -> ' - }T
T{ ACTION-OF DEFER1 -> ' - }T
T{ ACTION-DEFER1 -> ' - }T
T{ MY-DEFER DEFER2 -> }T
T{ ' DUP IS DEFER2 -> }T
T{ 1 DEFER2 -> 1 1 }T
\ -----------------------------------------------------------------------------
TESTING HOLDS (Forth 2012)
: HTEST S" Testing HOLDS" ;
: HTEST2 S" works" ;
: HTEST3 S" Testing HOLDS works 123" ;
T{ 0 0 <# HTEST HOLDS #> HTEST S= -> TRUE }T
T{ 123 0 <# #S BL HOLD HTEST2 HOLDS BL HOLD HTEST HOLDS #>
HTEST3 S= -> TRUE }T
T{ : HLD HOLDS ; -> }T
T{ 0 0 <# HTEST HLD #> HTEST S= -> TRUE }T
\ -----------------------------------------------------------------------------
TESTING REFILL SOURCE-ID
\ REFILL and SOURCE-ID from the user input device can't be tested from a file,
\ can only be tested from a string via EVALUATE
T{ : RF1 S" REFILL" EVALUATE ; RF1 -> FALSE }T
T{ : SID1 S" SOURCE-ID" EVALUATE ; SID1 -> -1 }T
\ ------------------------------------------------------------------------------
TESTING S\" (Forth 2012 compilation mode)
\ Extended the Forth 200X RfD tests
\ Note this tests the Core Ext definition of S\" which has unedfined
\ interpretation semantics. S\" in interpretation mode is tested in the tests on
\ the File-Access word set
T{ : SSQ1 S\" abc" S" abc" S= ; -> }T \ No escapes
T{ SSQ1 -> TRUE }T
T{ : SSQ2 S\" " ; SSQ2 SWAP DROP -> 0 }T \ Empty string
T{ : SSQ3 S\" \a\b\e\f\l\m\q\r\t\v\x0F0\x1Fa\xaBx\z\"\\" ; -> }T
T{ SSQ3 SWAP DROP -> 20 }T \ String length
T{ SSQ3 DROP C@ -> 7 }T \ \a BEL Bell
T{ SSQ3 DROP 1 CHARS + C@ -> 8 }T \ \b BS Backspace
T{ SSQ3 DROP 2 CHARS + C@ -> 27 }T \ \e ESC Escape
T{ SSQ3 DROP 3 CHARS + C@ -> 12 }T \ \f FF Form feed
T{ SSQ3 DROP 4 CHARS + C@ -> 10 }T \ \l LF Line feed
T{ SSQ3 DROP 5 CHARS + C@ -> 13 }T \ \m CR of CR/LF pair
T{ SSQ3 DROP 6 CHARS + C@ -> 10 }T \ LF of CR/LF pair
T{ SSQ3 DROP 7 CHARS + C@ -> 34 }T \ \q " Double Quote
T{ SSQ3 DROP 8 CHARS + C@ -> 13 }T \ \r CR Carriage Return
T{ SSQ3 DROP 9 CHARS + C@ -> 9 }T \ \t TAB Horizontal Tab
T{ SSQ3 DROP 10 CHARS + C@ -> 11 }T \ \v VT Vertical Tab
T{ SSQ3 DROP 11 CHARS + C@ -> 15 }T \ \x0F Given Char
T{ SSQ3 DROP 12 CHARS + C@ -> 48 }T \ 0 0 Digit follow on
T{ SSQ3 DROP 13 CHARS + C@ -> 31 }T \ \x1F Given Char
T{ SSQ3 DROP 14 CHARS + C@ -> 97 }T \ a a Hex follow on
T{ SSQ3 DROP 15 CHARS + C@ -> 171 }T \ \xaB Insensitive Given Char
T{ SSQ3 DROP 16 CHARS + C@ -> 120 }T \ x x Non hex follow on
T{ SSQ3 DROP 17 CHARS + C@ -> 0 }T \ \z NUL No Character
T{ SSQ3 DROP 18 CHARS + C@ -> 34 }T \ \" " Double Quote
T{ SSQ3 DROP 19 CHARS + C@ -> 92 }T \ \\ \ Back Slash
\ The above does not test \n as this is a system dependent value.
\ Check it displays a new line
CR .( The next test should display:)
CR .( One line...)
CR .( another line)
T{ : SSQ4 S\" \nOne line...\nanotherLine\n" TYPE ; SSQ4 -> }T
\ Test bare escapable characters appear as themselves
T{ : SSQ5 S\" abeflmnqrtvxz" S" abeflmnqrtvxz" S= ; SSQ5 -> TRUE }T
T{ : SSQ6 S\" a\""2DROP 1111 ; SSQ6 -> 1111 }T \ Parsing behaviour
T{ : SSQ7 S\" 111 : SSQ8 S\\\" 222\" EVALUATE ; SSQ8 333" EVALUATE ; -> }T
T{ SSQ7 -> 111 222 333 }T
T{ : SSQ9 S\" 11 : SSQ10 S\\\" \\x32\\x32\" EVALUATE ; SSQ10 33" EVALUATE ; -> }T
T{ SSQ9 -> 11 22 33 }T
\ -----------------------------------------------------------------------------
CORE-EXT-ERRORS SET-ERROR-COUNT
CR .( End of Core Extension word tests) CR

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\ Additional tests on the the ANS Forth Core word set
\ This program was written by Gerry Jackson in 2007, 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
\ ------------------------------------------------------------------------------
\ The tests are based on John Hayes test program for the core word set
\
\ This file provides some more tests on Core words where the original Hayes
\ tests are thought to be incomplete
\
\ Words tested in this file are:
\ DO I +LOOP RECURSE ELSE >IN IMMEDIATE FIND IF...BEGIN...REPEAT ALLOT DOES>
\ and
\ Parsing behaviour
\ Number prefixes # $ % and 'A' character input
\ Definition names
\ ------------------------------------------------------------------------------
\ Assumptions and dependencies:
\ - tester.fr or ttester.fs has been loaded prior to this file
\ - core.fr has been loaded so that constants <TRUE> MAX-INT, MIN-INT and
\ MAX-UINT are defined
\ ------------------------------------------------------------------------------
DECIMAL
TESTING DO +LOOP with run-time increment, negative increment, infinite loop
\ Contributed by Reinhold Straub
VARIABLE ITERATIONS
VARIABLE INCREMENT
: GD7 ( LIMIT START INCREMENT -- )
INCREMENT !
0 ITERATIONS !
DO
1 ITERATIONS +!
I
ITERATIONS @ 6 = IF LEAVE THEN
INCREMENT @
+LOOP ITERATIONS @
;
T{ 4 4 -1 GD7 -> 4 1 }T
T{ 1 4 -1 GD7 -> 4 3 2 1 4 }T
T{ 4 1 -1 GD7 -> 1 0 -1 -2 -3 -4 6 }T
T{ 4 1 0 GD7 -> 1 1 1 1 1 1 6 }T
T{ 0 0 0 GD7 -> 0 0 0 0 0 0 6 }T
T{ 1 4 0 GD7 -> 4 4 4 4 4 4 6 }T
T{ 1 4 1 GD7 -> 4 5 6 7 8 9 6 }T
T{ 4 1 1 GD7 -> 1 2 3 3 }T
T{ 4 4 1 GD7 -> 4 5 6 7 8 9 6 }T
T{ 2 -1 -1 GD7 -> -1 -2 -3 -4 -5 -6 6 }T
T{ -1 2 -1 GD7 -> 2 1 0 -1 4 }T
T{ 2 -1 0 GD7 -> -1 -1 -1 -1 -1 -1 6 }T
T{ -1 2 0 GD7 -> 2 2 2 2 2 2 6 }T
T{ -1 2 1 GD7 -> 2 3 4 5 6 7 6 }T
T{ 2 -1 1 GD7 -> -1 0 1 3 }T
T{ -20 30 -10 GD7 -> 30 20 10 0 -10 -20 6 }T
T{ -20 31 -10 GD7 -> 31 21 11 1 -9 -19 6 }T
T{ -20 29 -10 GD7 -> 29 19 9 -1 -11 5 }T
\ ------------------------------------------------------------------------------
TESTING DO +LOOP with large and small increments
\ Contributed by Andrew Haley
MAX-UINT 8 RSHIFT 1+ CONSTANT USTEP
USTEP NEGATE CONSTANT -USTEP
MAX-INT 7 RSHIFT 1+ CONSTANT STEP
STEP NEGATE CONSTANT -STEP
VARIABLE BUMP
T{ : GD8 BUMP ! DO 1+ BUMP @ +LOOP ; -> }T
T{ 0 MAX-UINT 0 USTEP GD8 -> 256 }T
T{ 0 0 MAX-UINT -USTEP GD8 -> 256 }T
T{ 0 MAX-INT MIN-INT STEP GD8 -> 256 }T
T{ 0 MIN-INT MAX-INT -STEP GD8 -> 256 }T
\ Two's complement arithmetic, wraps around modulo wordsize
\ Only tested if the Forth system does wrap around, use of conditional
\ compilation deliberately avoided
MAX-INT 1+ MIN-INT = CONSTANT +WRAP?
MIN-INT 1- MAX-INT = CONSTANT -WRAP?
MAX-UINT 1+ 0= CONSTANT +UWRAP?
0 1- MAX-UINT = CONSTANT -UWRAP?
: GD9 ( n limit start step f result -- )
>R IF GD8 ELSE 2DROP 2DROP R@ THEN -> R> }T
;
T{ 0 0 0 USTEP +UWRAP? 256 GD9
T{ 0 0 0 -USTEP -UWRAP? 1 GD9
T{ 0 MIN-INT MAX-INT STEP +WRAP? 1 GD9
T{ 0 MAX-INT MIN-INT -STEP -WRAP? 1 GD9
\ ------------------------------------------------------------------------------
TESTING DO +LOOP with maximum and minimum increments
: (-MI) MAX-INT DUP NEGATE + 0= IF MAX-INT NEGATE ELSE -32767 THEN ;
(-MI) CONSTANT -MAX-INT
T{ 0 1 0 MAX-INT GD8 -> 1 }T
T{ 0 -MAX-INT NEGATE -MAX-INT OVER GD8 -> 2 }T
T{ 0 MAX-INT 0 MAX-INT GD8 -> 1 }T
T{ 0 MAX-INT 1 MAX-INT GD8 -> 1 }T
T{ 0 MAX-INT -1 MAX-INT GD8 -> 2 }T
T{ 0 MAX-INT DUP 1- MAX-INT GD8 -> 1 }T
T{ 0 MIN-INT 1+ 0 MIN-INT GD8 -> 1 }T
T{ 0 MIN-INT 1+ -1 MIN-INT GD8 -> 1 }T
T{ 0 MIN-INT 1+ 1 MIN-INT GD8 -> 2 }T
T{ 0 MIN-INT 1+ DUP MIN-INT GD8 -> 1 }T
\ ------------------------------------------------------------------------------
\ TESTING +LOOP setting I to an arbitrary value
\ The specification for +LOOP permits the loop index I to be set to any value
\ including a value outside the range given to the corresponding DO.
\ SET-I is a helper to set I in a DO ... +LOOP to a given value
\ n2 is the value of I in a DO ... +LOOP
\ n3 is a test value
\ If n2=n3 then return n1-n2 else return 1
: SET-I ( n1 n2 n3 -- n1-n2 | 1 )
OVER = IF - ELSE 2DROP 1 THEN
;
: -SET-I ( n1 n2 n3 -- n1-n2 | -1 )
SET-I DUP 1 = IF NEGATE THEN
;
: PL1 20 1 DO I 18 I 3 SET-I +LOOP ;
T{ PL1 -> 1 2 3 18 19 }T
: PL2 20 1 DO I 20 I 2 SET-I +LOOP ;
T{ PL2 -> 1 2 }T
: PL3 20 5 DO I 19 I 2 SET-I DUP 1 = IF DROP 0 I 6 SET-I THEN +LOOP ;
T{ PL3 -> 5 6 0 1 2 19 }T
: PL4 20 1 DO I MAX-INT I 4 SET-I +LOOP ;
T{ PL4 -> 1 2 3 4 }T
: PL5 -20 -1 DO I -19 I -3 -SET-I +LOOP ;
T{ PL5 -> -1 -2 -3 -19 -20 }T
: PL6 -20 -1 DO I -21 I -4 -SET-I +LOOP ;
T{ PL6 -> -1 -2 -3 -4 }T
: PL7 -20 -1 DO I MIN-INT I -5 -SET-I +LOOP ;
T{ PL7 -> -1 -2 -3 -4 -5 }T
: PL8 -20 -5 DO I -20 I -2 -SET-I DUP -1 = IF DROP 0 I -6 -SET-I THEN +LOOP ;
T{ PL8 -> -5 -6 0 -1 -2 -20 }T
\ ------------------------------------------------------------------------------
TESTING multiple RECURSEs in one colon definition
: ACK ( m n -- u ) \ Ackermann function, from Rosetta Code
OVER 0= IF NIP 1+ EXIT THEN \ ack(0, n) = n+1
SWAP 1- SWAP ( -- m-1 n )
DUP 0= IF 1+ RECURSE EXIT THEN \ ack(m, 0) = ack(m-1, 1)
1- OVER 1+ SWAP RECURSE RECURSE \ ack(m, n) = ack(m-1, ack(m,n-1))
;
T{ 0 0 ACK -> 1 }T
T{ 3 0 ACK -> 5 }T
T{ 2 4 ACK -> 11 }T
\ ------------------------------------------------------------------------------
TESTING multiple ELSE's in an IF statement
\ Discussed on comp.lang.forth and accepted as valid ANS Forth
: MELSE IF 1 ELSE 2 ELSE 3 ELSE 4 ELSE 5 THEN ;
T{ 0 MELSE -> 2 4 }T
T{ -1 MELSE -> 1 3 5 }T
\ ------------------------------------------------------------------------------
TESTING manipulation of >IN in interpreter mode
T{ 12345 DEPTH OVER 9 < 34 AND + 3 + >IN ! -> 12345 2345 345 45 5 }T
T{ 14145 8115 ?DUP 0= 34 AND >IN +! TUCK MOD 14 >IN ! GCD CALCULATION -> 15 }T
\ ------------------------------------------------------------------------------
TESTING IMMEDIATE with CONSTANT VARIABLE and CREATE [ ... DOES> ]
T{ 123 CONSTANT IW1 IMMEDIATE IW1 -> 123 }T
T{ : IW2 IW1 LITERAL ; IW2 -> 123 }T
T{ VARIABLE IW3 IMMEDIATE 234 IW3 ! IW3 @ -> 234 }T
T{ : IW4 IW3 [ @ ] LITERAL ; IW4 -> 234 }T
T{ :NONAME [ 345 ] IW3 [ ! ] ; DROP IW3 @ -> 345 }T
T{ CREATE IW5 456 , IMMEDIATE -> }T
T{ :NONAME IW5 [ @ IW3 ! ] ; DROP IW3 @ -> 456 }T
T{ : IW6 CREATE , IMMEDIATE DOES> @ 1+ ; -> }T
T{ 111 IW6 IW7 IW7 -> 112 }T
T{ : IW8 IW7 LITERAL 1+ ; IW8 -> 113 }T
T{ : IW9 CREATE , DOES> @ 2 + IMMEDIATE ; -> }T
: FIND-IW BL WORD FIND NIP ; ( -- 0 | 1 | -1 )
T{ 222 IW9 IW10 FIND-IW IW10 -> -1 }T \ IW10 is not immediate
T{ IW10 FIND-IW IW10 -> 224 1 }T \ IW10 becomes immediate
\ ------------------------------------------------------------------------------
TESTING that IMMEDIATE doesn't toggle a flag
VARIABLE IT1 0 IT1 !
: IT2 1234 IT1 ! ; IMMEDIATE IMMEDIATE
T{ : IT3 IT2 ; IT1 @ -> 1234 }T
\ ------------------------------------------------------------------------------
TESTING parsing behaviour of S" ." and (
\ which should parse to just beyond the terminating character no space needed
T{ : GC5 S" A string"2DROP ; GC5 -> }T
T{ ( A comment)1234 -> 1234 }T
T{ : PB1 CR ." You should see 2345: "." 2345"( A comment) CR ; PB1 -> }T
\ ------------------------------------------------------------------------------
TESTING number prefixes # $ % and 'c' character input
\ Adapted from the Forth 200X Draft 14.5 document
VARIABLE OLD-BASE
DECIMAL BASE @ OLD-BASE !
T{ #1289 -> 1289 }T
T{ #-1289 -> -1289 }T
T{ $12eF -> 4847 }T
T{ $-12eF -> -4847 }T
T{ %10010110 -> 150 }T
T{ %-10010110 -> -150 }T
T{ 'z' -> 122 }T
T{ 'Z' -> 90 }T
\ Check BASE is unchanged
T{ BASE @ OLD-BASE @ = -> <TRUE> }T
\ Repeat in Hex mode
16 OLD-BASE ! 16 BASE !
T{ #1289 -> 509 }T
T{ #-1289 -> -509 }T
T{ $12eF -> 12EF }T
T{ $-12eF -> -12EF }T
T{ %10010110 -> 96 }T
T{ %-10010110 -> -96 }T
T{ 'z' -> 7a }T
T{ 'Z' -> 5a }T
\ Check BASE is unchanged
T{ BASE @ OLD-BASE @ = -> <TRUE> }T \ 2
DECIMAL
\ Check number prefixes in compile mode
T{ : nmp #8327 $-2cbe %011010111 ''' ; nmp -> 8327 -11454 215 39 }T
\ ------------------------------------------------------------------------------
TESTING definition names
\ should support {1..31} graphical characters
: !"#$%&'()*+,-./0123456789:;<=>? 1 ;
T{ !"#$%&'()*+,-./0123456789:;<=>? -> 1 }T
: @ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^ 2 ;
T{ @ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^ -> 2 }T
: _`abcdefghijklmnopqrstuvwxyz{|} 3 ;
T{ _`abcdefghijklmnopqrstuvwxyz{|} -> 3 }T
: _`abcdefghijklmnopqrstuvwxyz{|~ 4 ; \ Last character different
T{ _`abcdefghijklmnopqrstuvwxyz{|~ -> 4 }T
T{ _`abcdefghijklmnopqrstuvwxyz{|} -> 3 }T
\ ------------------------------------------------------------------------------
TESTING FIND with a zero length string and a non-existent word
CREATE EMPTYSTRING 0 C,
: EMPTYSTRING-FIND-CHECK ( c-addr 0 | xt 1 | xt -1 -- t|f )
DUP IF ." FIND returns a TRUE value for an empty string!" CR THEN
0= SWAP EMPTYSTRING = = ;
T{ EMPTYSTRING FIND EMPTYSTRING-FIND-CHECK -> <TRUE> }T
CREATE NON-EXISTENT-WORD \ Same as in exceptiontest.fth
15 C, CHAR $ C, CHAR $ C, CHAR Q C, CHAR W C, CHAR E C, CHAR Q C,
CHAR W C, CHAR E C, CHAR Q C, CHAR W C, CHAR E C, CHAR R C, CHAR T C,
CHAR $ C, CHAR $ C,
T{ NON-EXISTENT-WORD FIND -> NON-EXISTENT-WORD 0 }T
\ ------------------------------------------------------------------------------
TESTING IF ... BEGIN ... REPEAT (unstructured)
T{ : UNS1 DUP 0 > IF 9 SWAP BEGIN 1+ DUP 3 > IF EXIT THEN REPEAT ; -> }T
T{ -6 UNS1 -> -6 }T
T{ 1 UNS1 -> 9 4 }T
\ ------------------------------------------------------------------------------
TESTING DOES> doesn't cause a problem with a CREATEd address
: MAKE-2CONST DOES> 2@ ;
T{ CREATE 2K 3 , 2K , MAKE-2CONST 2K -> ' 2K >BODY 3 }T
\ ------------------------------------------------------------------------------
TESTING ALLOT ( n -- ) where n <= 0
T{ HERE 5 ALLOT -5 ALLOT HERE = -> <TRUE> }T
T{ HERE 0 ALLOT HERE = -> <TRUE> }T
\ ------------------------------------------------------------------------------
CR .( End of additional Core tests) CR