+\ Test PForth FILE wordset
+
+\ To test the ANS File Access word set and extension words
+
+\ 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 S" in interpretation mode tested.
+\ Added SAVE-INPUT RESTORE-INPUT REFILL in a file, (moved from
+\ coreexttest.fth).
+\ Calls to COMPARE replaced with S= (in utilities.fth)
+\ 0.11 25 April 2015 S\" in interpretation mode test added
+\ REQUIRED REQUIRE INCLUDE tests added
+\ Two S" and/or S\" buffers availability tested
+\ 0.5 1 April 2012 Tests placed in the public domain.
+\ 0.4 22 March 2009 { and } replaced with T{ and }T
+\ 0.3 20 April 2007 ANS Forth words changed to upper case.
+\ Removed directory test from the filenames.
+\ 0.2 30 Oct 2006 updated following GForth tests to remove
+\ system dependency on file size, to allow for file
+\ buffering and to allow for PAD moving around.
+\ 0.1 Oct 2006 First version released.
+
+\ ----------------------------------------------------------------------------
+\ The tests are based on John Hayes test program for the core word set
+\ and requires those files to have been loaded
+
+\ Words tested in this file are:
+\ ( BIN CLOSE-FILE CREATE-FILE DELETE-FILE FILE-POSITION FILE-SIZE
+\ OPEN-FILE R/O R/W READ-FILE READ-LINE REPOSITION-FILE RESIZE-FILE
+\ S" S\" SOURCE-ID W/O WRITE-FILE WRITE-LINE
+\ FILE-STATUS FLUSH-FILE RENAME-FILE SAVE-INPUT RESTORE-INPUT
+\ REFILL
+
+\ Words not tested:
+\ INCLUDED INCLUDE-FILE (as these will likely have been
+\ tested in the execution of the test files)
+\ ----------------------------------------------------------------------------
+\ Assumptions, dependencies and notes:
+\ - 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
+\ - These tests create files in the current directory, if all goes
+\ well these will be deleted. If something fails they may not be
+\ deleted. If this is a problem ensure you set a suitable
+\ directory before running this test. There is no ANS standard
+\ way of doing this. Also be aware of the file names used below
+\ which are: fatest1.txt, fatest2.txt and fatest3.txt
+\ ----------------------------------------------------------------------------
+
+include? }T{ t_tools.fth
+
+true fp-require-e !
+
+false value verbose
+
+: testing
+ verbose IF
+ source >in @ /string ." TESTING: " type cr
+ THEN
+ source nip >in !
+; immediate
+
+: -> }T{ ;
+: s= compare 0= ;
+: $" state IF postpone s" else ['] s" execute THEN ; immediate
+
+TESTING File Access word set
+
+DECIMAL
+
+TEST{
+
+\ ----------------------------------------------------------------------------
+TESTING CREATE-FILE CLOSE-FILE
+
+: FN1 S" fatest1.txt" ;
+VARIABLE FID1
+
+T{ FN1 R/W CREATE-FILE SWAP FID1 ! -> 0 }T
+T{ FID1 @ CLOSE-FILE -> 0 }T
+
+\ ----------------------------------------------------------------------------
+TESTING OPEN-FILE W/O WRITE-LINE
+
+: LINE1 S" Line 1" ;
+
+T{ FN1 W/O OPEN-FILE SWAP FID1 ! -> 0 }T
+T{ LINE1 FID1 @ WRITE-LINE -> 0 }T
+T{ FID1 @ CLOSE-FILE -> 0 }T
+
+\ ----------------------------------------------------------------------------
+TESTING R/O FILE-POSITION (simple) READ-LINE
+
+200 CONSTANT BSIZE
+CREATE BUF BSIZE ALLOT
+VARIABLE #CHARS
+
+T{ FN1 R/O OPEN-FILE SWAP FID1 ! -> 0 }T
+T{ FID1 @ FILE-POSITION -> 0. 0 }T
+T{ BUF 100 FID1 @ READ-LINE ROT DUP #CHARS ! -> TRUE 0 LINE1 SWAP DROP }T
+T{ BUF #CHARS @ LINE1 S= -> TRUE }T
+T{ FID1 @ CLOSE-FILE -> 0 }T
+
+\ Test with buffer shorter than line.
+T{ FN1 R/O OPEN-FILE SWAP FID1 ! -> 0 }T
+T{ FID1 @ FILE-POSITION -> 0. 0 }T
+T{ BUF 0 FID1 @ READ-LINE ROT DUP #CHARS ! -> TRUE 0 0 }T
+T{ BUF 3 FID1 @ READ-LINE ROT DUP #CHARS ! -> TRUE 0 3 }T
+T{ BUF #CHARS @ LINE1 DROP 3 S= -> TRUE }T
+T{ BUF 100 FID1 @ READ-LINE ROT DUP #CHARS ! -> TRUE 0 LINE1 NIP 3 - }T
+T{ BUF #CHARS @ LINE1 3 /STRING S= -> TRUE }T
+T{ FID1 @ CLOSE-FILE -> 0 }T
+
+\ Test with buffer exactly as long as the line.
+T{ FN1 R/O OPEN-FILE SWAP FID1 ! -> 0 }T
+T{ FID1 @ FILE-POSITION -> 0. 0 }T
+T{ BUF LINE1 NIP FID1 @ READ-LINE ROT DUP #CHARS ! -> TRUE 0 LINE1 NIP }T
+T{ BUF #CHARS @ LINE1 S= -> TRUE }T
+T{ FID1 @ CLOSE-FILE -> 0 }T
+
+\ ----------------------------------------------------------------------------
+TESTING S" in interpretation mode (compile mode tested in Core tests)
+
+T{ S" abcdef" $" abcdef" S= -> TRUE }T
+T{ S" " $" " S= -> TRUE }T
+T{ S" ghi"$" ghi" S= -> TRUE }T
+
+\ ----------------------------------------------------------------------------
+TESTING R/W WRITE-FILE REPOSITION-FILE READ-FILE FILE-POSITION S"
+
+: LINE2 S" Line 2 blah blah blah" ;
+: RL1 BUF 100 FID1 @ READ-LINE ;
+2VARIABLE FP
+
+T{ FN1 R/W OPEN-FILE SWAP FID1 ! -> 0 }T
+T{ FID1 @ FILE-SIZE DROP FID1 @ REPOSITION-FILE -> 0 }T
+T{ FID1 @ FILE-SIZE -> FID1 @ FILE-POSITION }T
+T{ LINE2 FID1 @ WRITE-FILE -> 0 }T
+T{ 10. FID1 @ REPOSITION-FILE -> 0 }T
+T{ FID1 @ FILE-POSITION -> 10. 0 }T
+T{ 0. FID1 @ REPOSITION-FILE -> 0 }T
+T{ RL1 -> LINE1 SWAP DROP TRUE 0 }T
+T{ RL1 ROT DUP #CHARS ! -> TRUE 0 LINE2 SWAP DROP }T
+T{ BUF #CHARS @ LINE2 S= -> TRUE }T
+T{ RL1 -> 0 FALSE 0 }T
+T{ FID1 @ FILE-POSITION ROT ROT FP 2! -> 0 }T
+T{ FP 2@ FID1 @ FILE-SIZE DROP D= -> TRUE }T
+T{ S" " FID1 @ WRITE-LINE -> 0 }T
+T{ S" " FID1 @ WRITE-LINE -> 0 }T
+T{ FP 2@ FID1 @ REPOSITION-FILE -> 0 }T
+T{ RL1 -> 0 TRUE 0 }T
+T{ RL1 -> 0 TRUE 0 }T
+T{ RL1 -> 0 FALSE 0 }T
+T{ FID1 @ CLOSE-FILE -> 0 }T
+
+\ ----------------------------------------------------------------------------
+TESTING BIN READ-FILE FILE-SIZE
+
+: CBUF BUF BSIZE 0 FILL ;
+: FN2 S" FATEST2.TXT" ;
+VARIABLE FID2
+: SETPAD PAD 50 0 DO I OVER C! CHAR+ LOOP DROP ;
+
+SETPAD \ If anything else is defined setpad must be called again
+ \ as pad may move
+
+T{ FN2 R/W BIN CREATE-FILE SWAP FID2 ! -> 0 }T
+T{ PAD 50 FID2 @ WRITE-FILE FID2 @ FLUSH-FILE -> 0 0 }T
+T{ FID2 @ FILE-SIZE -> 50. 0 }T
+T{ 0. FID2 @ REPOSITION-FILE -> 0 }T
+T{ CBUF BUF 29 FID2 @ READ-FILE -> 29 0 }T
+T{ PAD 29 BUF 29 S= -> TRUE }T
+T{ PAD 30 BUF 30 S= -> FALSE }T
+T{ CBUF BUF 29 FID2 @ READ-FILE -> 21 0 }T
+T{ PAD 29 + 21 BUF 21 S= -> TRUE }T
+T{ FID2 @ FILE-SIZE DROP FID2 @ FILE-POSITION DROP D= -> TRUE }T
+T{ BUF 10 FID2 @ READ-FILE -> 0 0 }T
+T{ FID2 @ CLOSE-FILE -> 0 }T
+
+\ ----------------------------------------------------------------------------
+TESTING RESIZE-FILE
+
+T{ FN2 R/W BIN OPEN-FILE SWAP FID2 ! -> 0 }T
+T{ 37. FID2 @ RESIZE-FILE -> 0 }T
+T{ FID2 @ FILE-SIZE -> 37. 0 }T
+T{ 0. FID2 @ REPOSITION-FILE -> 0 }T
+T{ CBUF BUF 100 FID2 @ READ-FILE -> 37 0 }T
+T{ PAD 37 BUF 37 S= -> TRUE }T
+T{ PAD 38 BUF 38 S= -> FALSE }T
+T{ 500. FID2 @ RESIZE-FILE -> 0 }T
+T{ FID2 @ FILE-SIZE -> 500. 0 }T
+T{ 0. FID2 @ REPOSITION-FILE -> 0 }T
+T{ CBUF BUF 100 FID2 @ READ-FILE -> 100 0 }T
+T{ PAD 37 BUF 37 S= -> TRUE }T
+T{ FID2 @ CLOSE-FILE -> 0 }T
+
+\ ----------------------------------------------------------------------------
+TESTING DELETE-FILE
+
+T{ FN2 DELETE-FILE -> 0 }T
+T{ FN2 R/W BIN OPEN-FILE SWAP DROP 0= -> FALSE }T
+T{ FN2 DELETE-FILE 0= -> FALSE }T
+
+\ ----------------------------------------------------------------------------
+TESTING multi-line ( comments
+
+T{ ( 1 2 3
+4 5 6
+7 8 9 ) 11 22 33 -> 11 22 33 }T
+
+\ ----------------------------------------------------------------------------
+TESTING SOURCE-ID (can only test it does not return 0 or -1)
+
+T{ SOURCE-ID DUP -1 = SWAP 0= OR -> FALSE }T
+
+\ ----------------------------------------------------------------------------
+TESTING RENAME-FILE FILE-STATUS FLUSH-FILE
+
+: FN3 S" fatest3.txt" ;
+: >END FID1 @ FILE-SIZE DROP FID1 @ REPOSITION-FILE ;
+
+
+T{ FN3 DELETE-FILE DROP -> }T
+T{ FN1 FN3 RENAME-FILE 0= -> TRUE }T
+T{ FN1 FILE-STATUS SWAP DROP 0= -> FALSE }T
+T{ FN3 FILE-STATUS SWAP DROP 0= -> TRUE }T \ Return value is undefined
+T{ FN3 R/W OPEN-FILE SWAP FID1 ! -> 0 }T
+T{ >END -> 0 }T
+T{ S" Final line" fid1 @ WRITE-LINE -> 0 }T
+
+T{ FID1 @ FLUSH-FILE -> 0 }T \ Can only test FLUSH-FILE doesn't fail
+T{ FID1 @ CLOSE-FILE -> 0 }T
+
+\ Tidy the test folder
+T{ fn3 DELETE-FILE DROP -> }T
+
+\ ------------------------------------------------------------------------------
+TESTING REQUIRED REQUIRE INCLUDED
+\ Tests taken from Forth 2012 RfD
+
+T{ 0 S" t_required_helper1.fth" REQUIRED
+ REQUIRE t_required_helper1.fth
+ INCLUDE t_required_helper1.fth
+ -> 2 }T
+
+T{ 0 INCLUDE t_required_helper2.fth
+ S" t_required_helper2.fth" REQUIRED
+ REQUIRE t_required_helper2.fth
+ S" t_required_helper2.fth" INCLUDED
+ -> 2 }T
+
+\ ----------------------------------------------------------------------------
+TESTING two buffers available for S" and/or S\" (Forth 2012)
+
+: SSQ12 S" abcd" ; : SSQ13 S" 1234" ;
+T{ S" abcd" S" 1234" SSQ13 S= ROT ROT SSQ12 S= -> TRUE TRUE }T
+\ nyi T{ S\" abcd" S\" 1234" SSQ13 S= ROT ROT SSQ12 S= -> TRUE TRUE }T
+\ nyi T{ S" abcd" S\" 1234" SSQ13 S= ROT ROT SSQ12 S= -> TRUE TRUE }T
+\ nyi T{ S\" abcd" S" 1234" SSQ13 S= ROT ROT SSQ12 S= -> TRUE TRUE }T
+
+
+\ -----------------------------------------------------------------------------
+TESTING SAVE-INPUT and RESTORE-INPUT with a file source
+
+VARIABLE SIV -1 SIV !
+
+: NEVEREXECUTED
+ CR ." This should never be executed" CR
+;
+
+T{ 11111 SAVE-INPUT
+
+SIV @
+
+[IF]
+ TESTING the -[IF]- part is executed
+ 0 SIV !
+ RESTORE-INPUT
+ NEVEREXECUTED
+ 33333
+[ELSE]
+
+ TESTING the -[ELSE]- part is executed
+ 22222
+
+[THEN]
+
+ -> 11111 0 22222 }T \ 0 comes from RESTORE-INPUT
+
+TESTING nested SAVE-INPUT, RESTORE-INPUT and REFILL from a file
+
+: READ_A_LINE
+ REFILL 0=
+ ABORT" REFILL FAILED"
+;
+
+VARIABLE SI_INC 0 SI_INC !
+
+: SI1
+ SI_INC @ >IN +!
+ 15 SI_INC !
+;
+
+: S$ S" SAVE-INPUT SI1 RESTORE-INPUT 12345" ;
+
+CREATE 2RES -1 , -1 , \ Don't use 2VARIABLE from Double number word set
+
+: SI2
+ READ_A_LINE
+ READ_A_LINE
+ SAVE-INPUT
+ READ_A_LINE
+ READ_A_LINE
+ S$ EVALUATE 2RES 2!
+ RESTORE-INPUT
+;
+
+\ WARNING: do not delete or insert lines of text after si2 is called
+\ otherwise the next test will fail
+
+T{ SI2
+33333 \ This line should be ignored
+2RES 2@ 44444 \ RESTORE-INPUT should return to this line
+
+55555
+TESTING the nested results
+ -> 0 0 2345 44444 55555 }T
+
+\ End of warning
+
+\ ----------------------------------------------------------------------------
+
+\ CR .( End of File-Access word set tests) CR
+
+}TEST
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