Mercurial > hg > octave-lojdl > gnulib-hg
changeset 9159:e21121c06cf2
Tests for module 'freadahead'.
| author | Bruno Haible <bruno@clisp.org> |
|---|---|
| date | Sun, 19 Aug 2007 17:43:56 +0000 |
| parents | d45f26a2b8ff |
| children | 3ba41f99309f |
| files | ChangeLog modules/freadahead-tests tests/test-freadahead.c tests/test-freadahead.sh |
| diffstat | 4 files changed, 87 insertions(+), 0 deletions(-) [+] |
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--- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,9 @@ 2007-08-19 Bruno Haible <bruno@clisp.org> + * modules/freadahead-tests: New file. + * tests/test-freadahead.sh: New file. + * tests/test-freadahead.c: New file. + * modules/freadahead: New file. * lib/freadahead.h: New file. * lib/freadahead.c: New file.
new file mode 100644 --- /dev/null +++ b/modules/freadahead-tests @@ -0,0 +1,15 @@ +Files: +tests/test-freadahead.c +tests/test-freadahead.sh + +Depends-on: +lseek +unistd + +configure.ac: + +Makefile.am: +TESTS += test-freadahead.sh +TESTS_ENVIRONMENT += EXEEXT='@EXEEXT@' srcdir='$(srcdir)' +check_PROGRAMS += test-freadahead +EXTRA_DIST += test-freadahead.sh
new file mode 100644 --- /dev/null +++ b/tests/test-freadahead.c @@ -0,0 +1,63 @@ +/* Test of freadahead() function. + Copyright (C) 2007 Free Software Foundation, Inc. + + This program 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 2, or (at your option) + any later version. + + 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. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software Foundation, + Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ + +/* Written by Bruno Haible <bruno@clisp.org>, 2007. */ + +#include <config.h> + +#include "freadahead.h" + +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> + +#define ASSERT(expr) \ + do \ + { \ + if (!(expr)) \ + { \ + fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \ + abort (); \ + } \ + } \ + while (0) + +int +main (int argc, char **argv) +{ + int nbytes = atoi (argv[1]); + if (nbytes > 0) + { + void *buf = malloc (nbytes); + ASSERT (fread (buf, 1, nbytes, stdin) == nbytes); + } + + if (nbytes == 0) + ASSERT (freadahead (stdin) == 0); + else + { + if (lseek (0, 0, SEEK_CUR) == nbytes) + /* An unbuffered stdio, such as BeOS or on uClibc compiled without + __STDIO_BUFFERS. */ + ASSERT (freadahead (stdin) == 0); + else + /* Normal buffered stdio. */ + ASSERT (freadahead (stdin) != 0); + } + + return 0; +}