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