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(* Copyright (C) 2011 Free Software Foundation, Inc. *)
(* This file is part of GNU Modula-2.
GNU Modula-2 is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 3, or (at your option) any later
version.
GNU Modula-2 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. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License along
with gm2; see the file COPYING. If not, write to the Free Software
Foundation, 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA. *)
MODULE testmem ;
FROM MemStream IMPORT OpenRead, OpenWrite, Close ;
FROM ChanConsts IMPORT FlagSet, OpenResults, raw, write, read ;
FROM IOChan IMPORT ChanId ;
FROM SYSTEM IMPORT ADDRESS ;
FROM libc IMPORT printf ;
IMPORT RawIO ;
CONST
Amount = 1000 ;
VAR
fd : ChanId ;
res : OpenResults ;
start : ADDRESS ;
length: CARDINAL ;
used : CARDINAL ;
i,
value : CARDINAL ;
BEGIN
OpenWrite (fd, raw+write, res, start, length, used, FALSE) ;
IF res=opened
THEN
FOR i := 1 TO Amount DO
RawIO.Write (fd, i)
END ;
Close(fd) ;
printf ("buffer at %p has length 0x%x bytes and 0x%x are used\n",
start, length, used);
IF used#SIZE(CARDINAL)*Amount
THEN
HALT
END ;
OpenRead (fd, raw+read, res, start, length, TRUE) ;
FOR i := 1 TO Amount DO
RawIO.Read (fd, value) ;
IF i#value
THEN
HALT
END
END ;
printf ("read the contents of the complete buffer successfully");
ELSE
HALT
END
END testmem.
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