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VolksForth/8080/CPM/tests/doubltst.fth

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\ To test the ANS Forth Double-Number word set and double number extensions
\ 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 Assumptions and dependencies changed
\ 0.12 1 August 2015 test D< acts on MS cells of double word
\ 0.11 7 April 2015 2VALUE tested
\ 0.6 1 April 2012 Tests placed in the public domain.
\ Immediate 2CONSTANTs and 2VARIABLEs tested
\ 0.5 20 November 2009 Various constants renamed to avoid
\ redefinition warnings. <TRUE> and <FALSE> replaced
\ with TRUE and FALSE
\ 0.4 6 March 2009 { and } replaced with T{ and }T
\ Tests rewritten to be independent of word size and
\ tests re-ordered
\ 0.3 20 April 2007 ANS Forth words changed to upper case
\ 0.2 30 Oct 2006 Updated following GForth test to include
\ various constants from core.fr
\ 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:
\ 2CONSTANT 2LITERAL 2VARIABLE D+ D- D. D.R D0< D0= D2* D2/
\ D< D= D>S DABS DMAX DMIN DNEGATE M*/ M+ 2ROT DU<
\ Also tests the interpreter and compiler reading a double number
\ ------------------------------------------------------------------------------
\ Assumptions and dependencies:
\ - tester.fr (or ttester.fs), errorreport.fth and utilities.fth have been
\ included prior to this file
\ - the Core word set is available and tested
\ ------------------------------------------------------------------------------
\ Constant definitions
DECIMAL
0 INVERT CONSTANT 1SD
1SD 1 RSHIFT CONSTANT MAX-INTD \ 01...1
MAX-INTD INVERT CONSTANT MIN-INTD \ 10...0
MAX-INTD 2/ CONSTANT HI-INT \ 001...1
MIN-INTD 2/ CONSTANT LO-INT \ 110...1
\ ------------------------------------------------------------------------------
TESTING interpreter and compiler reading double numbers, with/without prefixes
T{ 1. -> 1 0 }T
T{ -2. -> -2 -1 }T
T{ : RDL1 3. ; RDL1 -> 3 0 }T
T{ : RDL2 -4. ; RDL2 -> -4 -1 }T
VARIABLE OLD-DBASE
DECIMAL BASE @ OLD-DBASE !
T{ &12346789. -> 12346789. }T \ vf: s/#/&/
T{ -&12346789. -> -12346789. }T \ vf: s/#-/-&/
T{ $12aBcDeF. -> 313249263. }T
T{ -$12AbCdEf. -> -313249263. }T \ vf: s/$-/-$/
T{ %10010110. -> 150. }T
T{ -%10010110. -> -150. }T \ vf: s/%-/-%/
\ Check BASE is unchanged
T{ BASE @ OLD-DBASE @ = -> <TRUE> }T
\ Repeat in Hex mode
16 OLD-DBASE ! 16 BASE !
T{ &12346789. -> BC65A5. }T \ vf: s/#/&/
T{ -&12346789. -> -BC65A5. }T \ vf: s/#-/-&/
T{ $12aBcDeF. -> 12AbCdeF. }T
T{ -$12AbCdEf. -> -12ABCDef. }T \ vf: s/$-/-$/
T{ %10010110. -> 96. }T
T{ -%10010110. -> -96. }T \ vf: s/%-/-%/
\ Check BASE is unchanged
T{ BASE @ OLD-DBASE @ = -> <TRUE> }T \ 2
DECIMAL
\ Check number prefixes in compile mode
\ vf: s/#/&/ s/$-/-$/
T{ : dnmp &8327. -$2cbe. %011010111. ; dnmp -> 8327. -11454. 215. }T
\ ------------------------------------------------------------------------------
TESTING 2CONSTANT
T{ 1 2 2CONSTANT 2C1 -> }T
T{ 2C1 -> 1 2 }T
T{ : CD1 2C1 ; -> }T
T{ CD1 -> 1 2 }T
T{ : CD2 2CONSTANT ; -> }T
T{ -1 -2 CD2 2C2 -> }T
T{ 2C2 -> -1 -2 }T
T{ 4 5 2CONSTANT 2C3 IMMEDIATE 2C3 -> 4 5 }T
T{ : CD6 2C3 2LITERAL ; CD6 -> 4 5 }T
\ ------------------------------------------------------------------------------
\ Some 2CONSTANTs for the following tests
1SD MAX-INTD 2CONSTANT MAX-2INT \ 01...1
0 MIN-INTD 2CONSTANT MIN-2INT \ 10...0
MAX-2INT 2/ 2CONSTANT HI-2INT \ 001...1
MIN-2INT 2/ 2CONSTANT LO-2INT \ 110...0
\ ------------------------------------------------------------------------------
TESTING DNEGATE
T{ 0. DNEGATE -> 0. }T
T{ 1. DNEGATE -> -1. }T
T{ -1. DNEGATE -> 1. }T
T{ MAX-2INT DNEGATE -> MIN-2INT SWAP 1+ SWAP }T
T{ MIN-2INT SWAP 1+ SWAP DNEGATE -> MAX-2INT }T
\ ------------------------------------------------------------------------------
TESTING D+ with small integers
T{ 0. 5. D+ -> 5. }T
T{ -5. 0. D+ -> -5. }T
T{ 1. 2. D+ -> 3. }T
T{ 1. -2. D+ -> -1. }T
T{ -1. 2. D+ -> 1. }T
T{ -1. -2. D+ -> -3. }T
T{ -1. 1. D+ -> 0. }T
TESTING D+ with mid range integers
T{ 0 0 0 5 D+ -> 0 5 }T
T{ -1 5 0 0 D+ -> -1 5 }T
T{ 0 0 0 -5 D+ -> 0 -5 }T
T{ 0 -5 -1 0 D+ -> -1 -5 }T
T{ 0 1 0 2 D+ -> 0 3 }T
T{ -1 1 0 -2 D+ -> -1 -1 }T
T{ 0 -1 0 2 D+ -> 0 1 }T
T{ 0 -1 -1 -2 D+ -> -1 -3 }T
T{ -1 -1 0 1 D+ -> -1 0 }T
T{ MIN-INTD 0 2DUP D+ -> 0 1 }T
T{ MIN-INTD S>D MIN-INTD 0 D+ -> 0 0 }T
TESTING D+ with large double integers
T{ HI-2INT 1. D+ -> 0 HI-INT 1+ }T
T{ HI-2INT 2DUP D+ -> 1SD 1- MAX-INTD }T
T{ MAX-2INT MIN-2INT D+ -> -1. }T
T{ MAX-2INT LO-2INT D+ -> HI-2INT }T
T{ HI-2INT MIN-2INT D+ 1. D+ -> LO-2INT }T
T{ LO-2INT 2DUP D+ -> MIN-2INT }T
\ ------------------------------------------------------------------------------
TESTING D- with small integers
T{ 0. 5. D- -> -5. }T
T{ 5. 0. D- -> 5. }T
T{ 0. -5. D- -> 5. }T
T{ 1. 2. D- -> -1. }T
T{ 1. -2. D- -> 3. }T
T{ -1. 2. D- -> -3. }T
T{ -1. -2. D- -> 1. }T
T{ -1. -1. D- -> 0. }T
TESTING D- with mid-range integers
T{ 0 0 0 5 D- -> 0 -5 }T
T{ -1 5 0 0 D- -> -1 5 }T
T{ 0 0 -1 -5 D- -> 1 4 }T
T{ 0 -5 0 0 D- -> 0 -5 }T
T{ -1 1 0 2 D- -> -1 -1 }T
T{ 0 1 -1 -2 D- -> 1 2 }T
T{ 0 -1 0 2 D- -> 0 -3 }T
T{ 0 -1 0 -2 D- -> 0 1 }T
T{ 0 0 0 1 D- -> 0 -1 }T
T{ MIN-INTD 0 2DUP D- -> 0. }T
T{ MIN-INTD S>D MAX-INTD 0 D- -> 1 1SD }T
TESTING D- with large integers
T{ MAX-2INT MAX-2INT D- -> 0. }T
T{ MIN-2INT MIN-2INT D- -> 0. }T
T{ MAX-2INT HI-2INT D- -> LO-2INT DNEGATE }T
T{ HI-2INT LO-2INT D- -> MAX-2INT }T
T{ LO-2INT HI-2INT D- -> MIN-2INT 1. D+ }T
T{ MIN-2INT MIN-2INT D- -> 0. }T
T{ MIN-2INT LO-2INT D- -> LO-2INT }T
\ ------------------------------------------------------------------------------
TESTING D0< D0=
T{ 0. D0< -> FALSE }T
T{ 1. D0< -> FALSE }T
T{ MIN-INTD 0 D0< -> FALSE }T
T{ 0 MAX-INTD D0< -> FALSE }T
T{ MAX-2INT D0< -> FALSE }T
T{ -1. D0< -> TRUE }T
T{ MIN-2INT D0< -> TRUE }T
T{ 1. D0= -> FALSE }T
T{ MIN-INTD 0 D0= -> FALSE }T
T{ MAX-2INT D0= -> FALSE }T
T{ -1 MAX-INTD D0= -> FALSE }T
T{ 0. D0= -> TRUE }T
T{ -1. D0= -> FALSE }T
T{ 0 MIN-INTD D0= -> FALSE }T
\ ------------------------------------------------------------------------------
TESTING D2* D2/
T{ 0. D2* -> 0. D2* }T
T{ MIN-INTD 0 D2* -> 0 1 }T
T{ HI-2INT D2* -> MAX-2INT 1. D- }T
T{ LO-2INT D2* -> MIN-2INT }T
T{ 0. D2/ -> 0. }T
T{ 1. D2/ -> 0. }T
T{ 0 1 D2/ -> MIN-INTD 0 }T
T{ MAX-2INT D2/ -> HI-2INT }T
T{ -1. D2/ -> -1. }T
T{ MIN-2INT D2/ -> LO-2INT }T
\ ------------------------------------------------------------------------------
TESTING D< D=
T{ 0. 1. D< -> TRUE }T
T{ 0. 0. D< -> FALSE }T
T{ 1. 0. D< -> FALSE }T
T{ -1. 1. D< -> TRUE }T
T{ -1. 0. D< -> TRUE }T
T{ -2. -1. D< -> TRUE }T
T{ -1. -2. D< -> FALSE }T
T{ 0 1 1. D< -> FALSE }T \ Suggested by Helmut Eller
T{ 1. 0 1 D< -> TRUE }T
T{ 0 -1 1 -2 D< -> FALSE }T
T{ 1 -2 0 -1 D< -> TRUE }T
T{ -1. MAX-2INT D< -> TRUE }T
T{ MIN-2INT MAX-2INT D< -> TRUE }T
T{ MAX-2INT -1. D< -> FALSE }T
T{ MAX-2INT MIN-2INT D< -> FALSE }T
T{ MAX-2INT 2DUP -1. D+ D< -> FALSE }T
T{ MIN-2INT 2DUP 1. D+ D< -> TRUE }T
T{ MAX-INTD S>D 2DUP 1. D+ D< -> TRUE }T \ Ensure D< acts on MS cells
T{ -1. -1. D= -> TRUE }T
T{ -1. 0. D= -> FALSE }T
T{ -1. 1. D= -> FALSE }T
T{ 0. -1. D= -> FALSE }T
T{ 0. 0. D= -> TRUE }T
T{ 0. 1. D= -> FALSE }T
T{ 1. -1. D= -> FALSE }T
T{ 1. 0. D= -> FALSE }T
T{ 1. 1. D= -> TRUE }T
T{ 0 -1 0 -1 D= -> TRUE }T
T{ 0 -1 0 0 D= -> FALSE }T
T{ 0 -1 0 1 D= -> FALSE }T
T{ 0 0 0 -1 D= -> FALSE }T
T{ 0 0 0 0 D= -> TRUE }T
T{ 0 0 0 1 D= -> FALSE }T
T{ 0 1 0 -1 D= -> FALSE }T
T{ 0 1 0 0 D= -> FALSE }T
T{ 0 1 0 1 D= -> TRUE }T
T{ MAX-2INT MIN-2INT D= -> FALSE }T
T{ MAX-2INT 0. D= -> FALSE }T
T{ MAX-2INT MAX-2INT D= -> TRUE }T
T{ MAX-2INT HI-2INT D= -> FALSE }T
T{ MAX-2INT MIN-2INT D= -> FALSE }T
T{ MIN-2INT MIN-2INT D= -> TRUE }T
T{ MIN-2INT LO-2INT D= -> FALSE }T
T{ MIN-2INT MAX-2INT D= -> FALSE }T
\ ------------------------------------------------------------------------------
TESTING 2LITERAL 2VARIABLE
T{ : CD3 [ MAX-2INT ] 2LITERAL ; -> }T
T{ CD3 -> MAX-2INT }T
T{ 2VARIABLE 2V1 -> }T
T{ 0. 2V1 2! -> }T
T{ 2V1 2@ -> 0. }T
T{ -1 -2 2V1 2! -> }T
T{ 2V1 2@ -> -1 -2 }T
T{ : CD4 2VARIABLE ; -> }T
T{ CD4 2V2 -> }T
T{ : CD5 2V2 2! ; -> }T
T{ -2 -1 CD5 -> }T
T{ 2V2 2@ -> -2 -1 }T
T{ 2VARIABLE 2V3 IMMEDIATE 5 6 2V3 2! -> }T
T{ 2V3 2@ -> 5 6 }T
T{ : CD7 2V3 [ 2@ ] 2LITERAL ; CD7 -> 5 6 }T
T{ : CD8 [ 6 7 ] 2V3 [ 2! ] ; 2V3 2@ -> 6 7 }T
\ ------------------------------------------------------------------------------
TESTING DMAX DMIN
T{ 1. 2. DMAX -> 2. }T
T{ 1. 0. DMAX -> 1. }T
T{ 1. -1. DMAX -> 1. }T
T{ 1. 1. DMAX -> 1. }T
T{ 0. 1. DMAX -> 1. }T
T{ 0. -1. DMAX -> 0. }T
T{ -1. 1. DMAX -> 1. }T
T{ -1. -2. DMAX -> -1. }T
T{ MAX-2INT HI-2INT DMAX -> MAX-2INT }T
T{ MAX-2INT MIN-2INT DMAX -> MAX-2INT }T
T{ MIN-2INT MAX-2INT DMAX -> MAX-2INT }T
T{ MIN-2INT LO-2INT DMAX -> LO-2INT }T
T{ MAX-2INT 1. DMAX -> MAX-2INT }T
T{ MAX-2INT -1. DMAX -> MAX-2INT }T
T{ MIN-2INT 1. DMAX -> 1. }T
T{ MIN-2INT -1. DMAX -> -1. }T
T{ 1. 2. DMIN -> 1. }T
T{ 1. 0. DMIN -> 0. }T
T{ 1. -1. DMIN -> -1. }T
T{ 1. 1. DMIN -> 1. }T
T{ 0. 1. DMIN -> 0. }T
T{ 0. -1. DMIN -> -1. }T
T{ -1. 1. DMIN -> -1. }T
T{ -1. -2. DMIN -> -2. }T
T{ MAX-2INT HI-2INT DMIN -> HI-2INT }T
T{ MAX-2INT MIN-2INT DMIN -> MIN-2INT }T
T{ MIN-2INT MAX-2INT DMIN -> MIN-2INT }T
T{ MIN-2INT LO-2INT DMIN -> MIN-2INT }T
T{ MAX-2INT 1. DMIN -> 1. }T
T{ MAX-2INT -1. DMIN -> -1. }T
T{ MIN-2INT 1. DMIN -> MIN-2INT }T
T{ MIN-2INT -1. DMIN -> MIN-2INT }T
\ ------------------------------------------------------------------------------
TESTING D>S DABS
T{ 1234 0 D>S -> 1234 }T
T{ -1234 -1 D>S -> -1234 }T
T{ MAX-INTD 0 D>S -> MAX-INTD }T
T{ MIN-INTD -1 D>S -> MIN-INTD }T
T{ 1. DABS -> 1. }T
T{ -1. DABS -> 1. }T
T{ MAX-2INT DABS -> MAX-2INT }T
T{ MIN-2INT 1. D+ DABS -> MAX-2INT }T
\ ------------------------------------------------------------------------------
TESTING M+ M*/
T{ HI-2INT 1 M+ -> HI-2INT 1. D+ }T
T{ MAX-2INT -1 M+ -> MAX-2INT -1. D+ }T
T{ MIN-2INT 1 M+ -> MIN-2INT 1. D+ }T
T{ LO-2INT -1 M+ -> LO-2INT -1. D+ }T
\ To correct the result if the division is floored, only used when
\ necessary i.e. negative quotient and remainder <> 0
: ?FLOORED [ -3 2 / -2 = ] LITERAL IF 1. D- THEN ;
\vf T{ 5. 7 11 M*/ -> 3. }T
\vf T{ 5. -7 11 M*/ -> -3. ?FLOORED }T \ FLOORED -4.
\vf T{ -5. 7 11 M*/ -> -3. ?FLOORED }T \ FLOORED -4.
\vf T{ -5. -7 11 M*/ -> 3. }T
\vf T{ MAX-2INT 8 16 M*/ -> HI-2INT }T
\vf T{ MAX-2INT -8 16 M*/ -> HI-2INT DNEGATE ?FLOORED }T \ FLOORED SUBTRACT 1
\vf T{ MIN-2INT 8 16 M*/ -> LO-2INT }T
\vf T{ MIN-2INT -8 16 M*/ -> LO-2INT DNEGATE }T
\vf T{ MAX-2INT MAX-INTD MAX-INTD M*/ -> MAX-2INT }T
\vf T{ MAX-2INT MAX-INTD 2/ MAX-INTD M*/ -> MAX-INTD 1- HI-2INT NIP }T
\vf T{ MIN-2INT LO-2INT NIP 1+ DUP 1- NEGATE M*/ -> 0 MAX-INTD 1- }T
\vf T{ MIN-2INT LO-2INT NIP 1- MAX-INTD M*/ -> MIN-INTD 3 + HI-2INT NIP 2 + }T
\vf T{ MAX-2INT LO-2INT NIP DUP NEGATE M*/ -> MAX-2INT DNEGATE }T
\vf T{ MIN-2INT MAX-INTD DUP M*/ -> MIN-2INT }T
\ ------------------------------------------------------------------------------
\vf TESTING D. D.R
\ Create some large double numbers
\vf MAX-2INT 71 73 M*/ 2CONSTANT DBL1
\vf MIN-2INT 73 79 M*/ 2CONSTANT DBL2
\vf : D>ASCII ( D -- CADDR U )
\vf DUP >R <# DABS #S R> SIGN #> ( -- CADDR1 U )
\vf HERE SWAP 2DUP 2>R CHARS DUP ALLOT MOVE 2R>
\vf ;
\vf DBL1 D>ASCII 2CONSTANT "DBL1"
\vf DBL2 D>ASCII 2CONSTANT "DBL2"
\vf : DOUBLEOUTPUT
\vf CR ." You should see lines duplicated:" CR
\vf 5 SPACES "DBL1" TYPE CR
\vf 5 SPACES DBL1 D. CR
\vf 8 SPACES "DBL1" DUP >R TYPE CR
\vf 5 SPACES DBL1 R> 3 + D.R CR
\vf 5 SPACES "DBL2" TYPE CR
\vf 5 SPACES DBL2 D. CR
\vf 10 SPACES "DBL2" DUP >R TYPE CR
\vf 5 SPACES DBL2 R> 5 + D.R CR
\vf ;
\vf T{ DOUBLEOUTPUT -> }T
\ ------------------------------------------------------------------------------
TESTING 2ROT DU< (Double Number extension words)
T{ 1. 2. 3. 2ROT -> 2. 3. 1. }T
T{ MAX-2INT MIN-2INT 1. 2ROT -> MIN-2INT 1. MAX-2INT }T
\vf T{ 1. 1. DU< -> FALSE }T
\vf T{ 1. -1. DU< -> TRUE }T
\vf T{ -1. 1. DU< -> FALSE }T
\vf T{ -1. -2. DU< -> FALSE }T
\vf T{ 0 1 1. DU< -> FALSE }T
\vf T{ 1. 0 1 DU< -> TRUE }T
\vf T{ 0 -1 1 -2 DU< -> FALSE }T
\vf T{ 1 -2 0 -1 DU< -> TRUE }T
\vf T{ MAX-2INT HI-2INT DU< -> FALSE }T
\vf T{ HI-2INT MAX-2INT DU< -> TRUE }T
\vf T{ MAX-2INT MIN-2INT DU< -> TRUE }T
\vf T{ MIN-2INT MAX-2INT DU< -> FALSE }T
\vf T{ MIN-2INT LO-2INT DU< -> TRUE }T
\ ------------------------------------------------------------------------------
\vf TESTING 2VALUE
\vf T{ 1111 2222 2VALUE 2VAL -> }T
\vf T{ 2VAL -> 1111 2222 }T
\vf T{ 3333 4444 TO 2VAL -> }T
\vf T{ 2VAL -> 3333 4444 }T
\vf T{ : TO-2VAL TO 2VAL ; 5555 6666 TO-2VAL -> }T
\vf T{ 2VAL -> 5555 6666 }T
\ ------------------------------------------------------------------------------
DOUBLE-ERRORS SET-ERROR-COUNT
CR .( End of Double-Number word tests) CR
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