CR CR SOURCE TYPE ( Preliminary test ) CR
SOURCE ( These lines test SOURCE, TYPE, CR and parenthetic comments ) TYPE CR
( The next line of output should be blank to test CR ) SOURCE TYPE CR CR
( It is now assumed that SOURCE, TYPE, CR and comments work. SOURCE and )
( TYPE will be used to report test passes until something better can be )
( defined to report errors. Until then reporting failures will depend on the )
( system under test and will usually be via reporting an unrecognised word )
( or possibly the system crashing. Tests will be numbered by #n from now on )
( to assist fault finding. Test successes will be indicated by )
( 'Pass: #n ...' and failures by 'Error: #n ...' )
( Initial tests of >IN +! and 1+ )
( Check that n >IN +! acts as an interpretive IF, where n >= 0 )
( Pass #1: testing 0 >IN +! ) 0 >IN +! SOURCE TYPE CR
( Pass #2: testing 1 >IN +! ) 1 >IN +! xSOURCE TYPE CR
( Pass #3: testing 1+ ) 1 1+ >IN +! xxSOURCE TYPE CR
( Test results can now be reported using the >IN +! trick to skip )
( 1 or more characters )
( The value of BASE is unknown so it is not safe to use digits > 1, therefore )
( it will be set it to binary and then decimal, this also tests @ and ! )
( Pass #4: testing @ ! BASE ) 0 1+ 1+ BASE ! BASE @ >IN +! xxSOURCE TYPE CR
( Set BASE to decimal ) 1010 BASE !
( Pass #5: testing decimal BASE ) BASE @ >IN +! xxxxxxxxxxSOURCE TYPE CR
( Now in decimal mode and digits >1 can be used )
( A better error reporting word is needed, much like .( which can't )
( be used as it is in the Core Extension word set, similarly PARSE can't be )
( used either, only WORD is available to parse a message and must be used )
( in a colon definition. Therefore a simple colon definition is tested next )
( Pass #6: testing : ; ) : .SRC SOURCE TYPE CR ; 6 >IN +! xxxxxx.SRC
( Pass #7: testing number input ) 19 >IN +! xxxxxxxxxxxxxxxxxxx.SRC
( VARIABLE is now tested as one will be used instead of DROP e.g. Y ! )
( Pass #8: testing VARIABLE ) VARIABLE Y 2 Y ! Y @ >IN +! xx.SRC
: MSG 41 WORD COUNT ; ( 41 is the ASCII code for right parenthesis )
( The next tests MSG leaves 2 items on the data stack )
( Pass #9: testing WORD COUNT ) 5 MSG abcdef) Y ! Y ! >IN +! xxxxx.SRC
( Pass #10: testing WORD COUNT ) MSG ab) >IN +! xxY ! .SRC
( For reporting success .MSG( is now defined )
: .MSG( MSG TYPE ; .MSG( Pass #11: testing WORD COUNT .MSG) CR
( To define an error reporting word, = 2* AND will be needed, test them first )
( This assumes 2's complement arithmetic )
1 1 = 1+ 1+ >IN +! x.MSG( Pass #12: testing = returns all 1's for true) CR
1 0 = 1+ >IN +! x.MSG( Pass #13: testing = returns 0 for false) CR
1 1 = -1 = 1+ 1+ >IN +! x.MSG( Pass #14: testing -1 interpreted correctly) CR
1 2* >IN +! xx.MSG( Pass #15: testing 2*) CR
-1 2* 1+ 1+ 1+ >IN +! x.MSG( Pass #16: testing 2*) CR
-1 -1 AND 1+ 1+ >IN +! x.MSG( Pass #17: testing AND) CR
-1 0 AND 1+ >IN +! x.MSG( Pass #18: testing AND) CR
6 -1 AND >IN +! xxxxxx.MSG( Pass #19: testing AND) CR
( Define ~ to use as a 'to end of line' comment. \ cannot be used as it a )
( Core Extension word )
: ~ ( -- ) SOURCE >IN ! Y ! ;
( Rather than relying on a pass message test words can now be defined to )
( report errors in the event of a failure. For convenience words ?T~ and )
( ?F~ are defined together with a helper ?~~ to test for TRUE and FALSE )
( Usage is: <test> ?T~ Error #n: <message> )
( Success makes >IN index the ~ in ?T~ or ?F~ to skip the error message. )
( Hence it is essential there is only 1 space between ?T~ and Error )
: ?~~ ( -1 | 0 -- ) 2* >IN +! ;
: ?F~ ( f -- ) 0 = ?~~ ;
: ?T~ ( f -- ) -1 = ?~~ ;
( Errors will be counted )
VARIABLE #ERRS 0 #ERRS !
: Error 1 #ERRS +! -6 >IN +! .MSG( CR ;
: Pass -1 #ERRS +! 1 >IN +! Error ; ~ Pass is defined solely to test Error
-1 ?F~ Pass #20: testing ?F~ ?~~ Pass Error
-1 ?T~ Error #1: testing ?T~ ?~~ ~
0 0 = 0= ?F~ Error #2: testing 0=
1 0 = 0= ?T~ Error #3: testing 0=
-1 0 = 0= ?T~ Error #4: testing 0=
0 0 = ?T~ Error #5: testing =
0 1 = ?F~ Error #6: testing =
1 0 = ?F~ Error #7: testing =
-1 1 = ?F~ Error #8: testing =
1 -1 = ?F~ Error #9: testing =
-1 0< ?T~ Error #10: testing 0<
0 0< ?F~ Error #11: testing 0<
1 0< ?F~ Error #12: testing 0<
DEPTH 1+ DEPTH = ?~~ Error #13: testing DEPTH
~ Up to now whether the data stack was empty or not hasn't mattered as
~ long as it didn't overflow. Now it will be emptied - also
~ removing any unreported underflow
DEPTH 0< 0= 1+ >IN +! ~ 0 0 >IN ! Remove any underflow
DEPTH 0= 1+ >IN +! ~ Y ! 0 >IN ! Empty the stack
DEPTH 0= ?T~ Error #14: data stack not emptied
4 -5 SWAP 4 = SWAP -5 = = ?T~ Error #15: testing SWAP
111 222 333 444
DEPTH 4 = ?T~ Error #16: testing DEPTH
444 = SWAP 333 = = DEPTH 3 = = ?T~ Error #17: testing SWAP DEPTH
222 = SWAP 111 = = DEPTH 1 = = ?T~ Error #18: testing SWAP DEPTH
DEPTH 0= ?T~ Error #19: testing DEPTH = 0
~ From now on the stack is expected to be empty after a test so
~ ?~ will be defined to include a check on the stack depth. Note
~ that ?~~ was defined and used earlier instead of ?~ to avoid
~ (irritating) redefinition messages that many systems display had
~ ?~ simply been redefined
: ?~ ( -1 | 0 -- ) DEPTH 1 = AND ?~~ ; ~ -1 test success, 0 test failure
123 -1 ?~ Pass #21: testing ?~
Y ! ~ equivalent to DROP
~ Testing the remaining Core words used in the Hayes tester, with the above
~ definitions these are straightforward
1 DROP DEPTH 0= ?~ Error #20: testing DROP
123 DUP = ?~ Error #21: testing DUP
123 ?DUP = ?~ Error #22: testing ?DUP
0 ?DUP 0= ?~ Error #23: testing ?DUP
123 111 + 234 = ?~ Error #24: testing +
123 -111 + 12 = ?~ Error #25: testing +
-123 111 + -12 = ?~ Error #26: testing +
-123 -111 + -234 = ?~ Error #27: testing +
-1 NEGATE 1 = ?~ Error #28: testing NEGATE
0 NEGATE 0= ?~ Error #29: testing NEGATE
987 NEGATE -987 = ?~ Error #30: testing NEGATE
HERE DEPTH SWAP DROP 1 = ?~ Error #31: testing HERE
CREATE TST1 HERE TST1 = ?~ Error #32: testing CREATE HERE
16 ALLOT HERE TST1 NEGATE + 16 = ?~ Error #33: testing ALLOT
-16 ALLOT HERE TST1 = ?~ Error #34: testing ALLOT
0 CELLS 0= ?~ Error #35: testing CELLS
1 CELLS ALLOT HERE TST1 NEGATE + VARIABLE CSZ CSZ !
CSZ @ 0= 0= ?~ Error #36: testing CELLS
3 CELLS CSZ @ DUP 2* + = ?~ Error #37: testing CELLS
-3 CELLS CSZ @ DUP 2* + + 0= ?~ Error #38: testing CELLS
: TST2 ( f -- n ) DUP IF 1+ THEN ;
0 TST2 0= ?~ Error #39: testing IF THEN
1 TST2 2 = ?~ Error #40: testing IF THEN
: TST3 ( n1 -- n2 ) IF 123 ELSE 234 THEN ;
0 TST3 234 = ?~ Error #41: testing IF ELSE THEN
1 TST3 123 = ?~ Error #42: testing IF ELSE THEN
: TST4 ( -- n ) 0 5 0 DO 1+ LOOP ;
TST4 5 = ?~ Error #43: testing DO LOOP
: TST5 ( -- n ) 0 10 0 DO I + LOOP ;
TST5 45 = ?~ Error #44: testing I
: TST6 ( -- n ) 0 10 0 DO DUP 5 = IF LEAVE ELSE 1+ THEN LOOP ;
TST6 5 = ?~ Error #45: testing LEAVE
: TST7 ( -- n1 n2 ) 123 >R 234 R> ;
TST7 NEGATE + 111 = ?~ Error #46: testing >R R>
: TST8 ( -- ch ) [CHAR] A ;
TST8 65 = ?~ Error #47: testing [CHAR]
: TST9 ( -- ) [CHAR] s [CHAR] s [CHAR] a [CHAR] P 4 0 DO EMIT LOOP ;
TST9 .MSG( #22: testing EMIT) CR
: TST10 ( -- ) S" Pass #23: testing S" TYPE [CHAR] " EMIT CR ; TST10
~ The Hayes core test core.fr uses CONSTANT before it is tested therefore
~ we test CONSTANT here
1234 CONSTANT CTEST
CTEST 1234 = ?~ Error #48: testing CONSTANT
~ The Hayes tester uses some words from the Core extension word set
~ These will be conditionally defined following definition of a
~ word called ?DEFINED to determine whether these are already defined
VARIABLE TIMM1 0 TIMM1 !
: TIMM2 123 TIMM1 ! ; IMMEDIATE
: TIMM3 TIMM2 ; TIMM1 @ 123 = ?~ Error #49: testing IMMEDIATE
: ?DEFINED ( "name" -- 0 | -1 ) 32 WORD FIND SWAP DROP 0= 0= ;
?DEFINED SWAP ?~ Error #50: testing FIND ?DEFINED
?DEFINED <<no-such-word-hopefully>> 0= ?~ Error #51 testing FIND ?DEFINED
?DEFINED \ ?~ : \ ~ ; IMMEDIATE
\ Error #52: testing \
: TIMM4 \ Error #53: testing \ is IMMEDIATE
;
~ TRUE and FALSE are defined as colon definitions as they have been used
~ more than CONSTANT above
?DEFINED TRUE ?~ : TRUE 1 NEGATE ;
?DEFINED FALSE ?~ : FALSE 0 ;
?DEFINED HEX ?~ : HEX 16 BASE ! ;
TRUE -1 = ?~ Error #54: testing TRUE
FALSE 0= ?~ Error #55: testing FALSE
10 HEX 0A = ?~ Error #56: testing HEX
AB 0A BASE ! 171 = ?~ Error #57: testing hex number
~ Delete the ~ on the next 2 lines to check the final error report
~ Error #998: testing a deliberate failure
~ Error #999: testing a deliberate failure
~ Describe the messages that should be seen. The previously defined .MSG(
~ can be used for text messages
CR .MSG( Results: ) CR
CR .MSG( Pass messages #1 to #23 should be displayed above)
CR .MSG( and no error messages) CR
~ Finally display a message giving the number of tests that failed.
~ This is complicated by the fact that untested words including .( ." and .
~ cannot be used. Also more colon definitions shouldn't be defined than are
~ needed. To display a number, note that the number of errors will have
~ one or two digits at most and an interpretive loop can be used to
~ display those.
CR
0 #ERRS @
~ Loop to calculate the 10's digit (if any)
DUP NEGATE 9 + 0< NEGATE >IN +! ( -10 + SWAP 1+ SWAP 0 >IN ! )
~ Display the error count
SWAP ?DUP 0= 1+ >IN +! ( 48 + EMIT ( ) 48 + EMIT
.MSG( test) #ERRS @ 1 = 1+ >IN +! ~ .MSG( s)
.MSG( failed out of 57 additional tests) CR
CR CR .MSG( --- End of Preliminary Tests --- ) CR