planckforth/test/utilities.fs
2021-01-16 10:45:03 +09:00

137 lines
4.4 KiB
Forth

\ planckforth -
\ Copyright (C) 2021 nineties
\ test/tester.fs and test codes are base on
\ https://github.com/gerryjackson/forth2012-test-suite
decimal
( First a definition to see if a word is already defined. Note that )
( [defined] [if] [else] and [then] are in the optional Programming Tools )
( word set. )
variable (\?) 0 (\?) ! ( Flag: Word defined = 0 | word undefined = 1 )
( [?def] followed by [?if] cannot be used again until after [then] )
: [?def] ( "name" -- )
word throw find 0= (\?) !
;
\ Test [?def]
T{ 0 (\?) ! [?def] ?deftest1 (\?) @ -> 1 }T
: ?deftest1 1 ;
T{ -1 (\?) ! [?def] ?deftest1 (\?) @ -> 0 }T
: [?undef] [?def] (\?) @ 0= (\?) ! ;
\ Equivalents of [if] [else] [then], these must not be nested
: [?if] ( f -- ) (\?) ! ; immediate
: [?else] ( -- ) (\?) @ 0= (\?) ! ; immediate
: [?then] ( -- ) 0 (\?) ! ; immediate
( A conditional comment and \ will be defined. Note that these definitions )
( are inadequate for use in Forth blocks. If needed in the blocks test )
( program they will need to be modified here or redefined there )
( \? is a conditional comment )
: \? ( "..." -- ) (\?) @ if exit then source strlen >in ! ; immediate
\ Test \?
T{ [?def] ?deftest1 \? : ?deftest1 2 ; \ Should not be redefined
?deftest1 -> 1 }T
T{ [?def] ?deftest2 \? : ?deftest1 2 ; \ Should be redefined
?deftest1 -> 2 }T
[?def] true \? 1 constant true
[?def] false \? 0 constant false
[?def] nip \? : nip swap drop ;
[?def] tuck \? : tuck swap over ;
( source R:c )
[?def] parse
\? : parse ( ch "ccc<ch>" -- caddr u )
\? >r source >in @ + ( start )
\? dup r> swap >r >r ( start, R: start ch )
\? begin
\? dup c@
\? while
\? dup c@ r@ <>
\? while
\? 1+
\? repeat
\? dup source - 1+ >in !
\? r> drop r> tuck - 1 /
\? ;
[?def] .( \? : .( [char] ) parse typen ; immediate
\ \ s= to compare (case sensitive) two strings to avoid use of COMPARE from
\ \ the String word set. It is defined in core.fr and conditionally defined
\ \ here if core.fr has not been included by the user
\
\ [?def] s=
\ \? : s= ( caddr1 u1 caddr2 u2 -- f ) \ f = true if strings are equal
\ \? rot over = 0= if drop 2drop false exit then
\ \? dup 0= if drop 2drop true exit then
\ \? 0 do
\ \? over c@ over c@ = 0= if 2drop false unloop exit then
\ \? char+ swap char+
\ \? loop 2drop true
\ \? ;
\
\ \ Buffer for strings in interpretive mode since s" only valid in compilation
\ \ mode when File-Access word set is defined
\
\ 64 constant sbuf-size
\ create sbuf1 sbuf-size chars allot
\ create sbuf2 sbuf-size chars allot
\
\ \ ($") saves string at (caddr)
\ : ($") ( caddr "ccc" -- caddr' )
\ [char] " parse rot 2dup c! ( -- ca2 u2 ca)
\ char+ swap 2dup 2>r chars move ( -- ) ( R: -- ca' u2 )
\ 2r>
\ ;
\
\ : $" ( "ccc" -- caddr u ) sbuf1 ($") ;
\ : $2" ( "ccc" -- caddr u ) sbuf2 ($") ;
\ : $clear ( caddr -- ) sbuf-size bl fill ;
\ : clear-sbufs ( -- ) sbuf1 $clear sbuf2 $clear ;
\
\ \ More definitions in core.fr used in other test programs, conditionally
\ \ defined here if core.fr has not been loaded
\
\ [?def] max-uint \? 0 invert constant max-uint
\ [?def] max-int \? 0 invert 1 rshift constant max-int
\ [?def] min-int \? 0 invert 1 rshift invert constant min-int
\ [?def] mid-uint \? 0 invert 1 rshift constant mid-uint
\ [?def] mid-uint+1 \? 0 invert 1 rshift invert constant mid-uint+1
\
\ [?def] 2constant \? : 2constant create , , does> 2@ ;
\
\ base @ 2 base ! -1 0 <# #S #> swap drop constant bits/cell base !
\
\
\ \ ------------------------------------------------------------------------------
\ \ Tests
\
\ : str1 s" abcd" ; : str2 s" abcde" ;
\ : str3 s" abCd" ; : str4 s" wbcd" ;
\ : s"" s" " ;
\
\ T{ str1 2dup s= -> true }T
\ T{ str2 2dup s= -> true }T
\ T{ s"" 2dup s= -> true }T
\ T{ str1 str2 s= -> false }T
\ T{ str1 str3 s= -> false }T
\ T{ str1 str4 s= -> false }T
\
\ T{ clear-sbufs -> }T
\ T{ $" abcdefghijklm" sbuf1 count s= -> true }T
\ T{ $" nopqrstuvwxyz" sbuf2 over s= -> false }T
\ T{ $2" abcdefghijklm" sbuf1 count s= -> false }T
\ T{ $2" nopqrstuvwxyz" sbuf1 count s= -> true }T
\
\ \ ------------------------------------------------------------------------------
\
\ CR $" Test utilities loaded" type CR