Mercurial > hg > octave-nkf > gnulib-hg
changeset 9728:f3b76d4b4922
Tests for module 'freadptr'.
| author | Bruno Haible <bruno@clisp.org> |
|---|---|
| date | Thu, 28 Feb 2008 13:21:06 +0100 |
| parents | 7c1260f0aac3 |
| children | 7ebb4a06fabd |
| files | ChangeLog modules/freadptr-tests tests/test-freadptr.c tests/test-freadptr.sh |
| diffstat | 4 files changed, 88 insertions(+), 0 deletions(-) [+] |
line wrap: on
line diff
--- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,9 @@ 2008-02-28 Bruno Haible <bruno@clisp.org> + * modules/freadptr-tests: New file. + * tests/test-freadptr.sh: New file. + * tests/test-freadptr.c: New file. + New module 'freadptr'. * modules/freadptr: New file. * lib/freadptr.h: New file.
new file mode 100644 --- /dev/null +++ b/modules/freadptr-tests @@ -0,0 +1,15 @@ +Files: +tests/test-freadptr.c +tests/test-freadptr.sh + +Depends-on: +lseek +freadahead +unistd + +configure.ac: + +Makefile.am: +TESTS += test-freadptr.sh +TESTS_ENVIRONMENT += EXEEXT='@EXEEXT@' srcdir='$(srcdir)' +check_PROGRAMS += test-freadptr
new file mode 100644 --- /dev/null +++ b/tests/test-freadptr.c @@ -0,0 +1,65 @@ +/* Test of freadptr() function. + Copyright (C) 2007-2008 Free Software Foundation, Inc. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. */ + +/* Written by Bruno Haible <bruno@clisp.org>, 2008. */ + +#include <config.h> + +#include "freadptr.h" + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +#include "freadahead.h" + +#define ASSERT(expr) \ + do \ + { \ + if (!(expr)) \ + { \ + fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \ + abort (); \ + } \ + } \ + while (0) + +int +main (int argc, char **argv) +{ + int nbytes = atoi (argv[1]); + void *buf = malloc (nbytes); + ASSERT (fread (buf, 1, nbytes, stdin) == nbytes); + + if (lseek (0, 0, SEEK_CUR) == nbytes) + /* An unbuffered stdio, such as BeOS or on uClibc compiled without + __STDIO_BUFFERS. */ + ASSERT (freadahead (stdin) == 0); + else + { + /* Normal buffered stdio. */ + const char stdin_contents[] = + "#!/bin/sh\n\n./test-freadptr${EXEEXT} 5 < \"$srcdir/test-freadptr.sh\" || exit 1\nexit 0\n"; + const char *expected = stdin_contents + nbytes; + size_t available = freadahead (stdin); + ASSERT (available != 0); + ASSERT (available <= strlen (expected)); + ASSERT (memcmp (freadptr (stdin), expected, available) == 0); + } + + return 0; +}