This patch adds a unit test for the 'largefile' module. It is meant to
attract the attention of the person who builds a package with Gnulib
tests included. Useful since most packages' configure script doesn't
print a summary file regarding the result of the AC_SYS_LARGEFILE
invocation.
2023-04-16 Bruno Haible <br...@clisp.org>
largefile: Add tests.
* tests/test-largefile.c: New file.
* modules/largefile-tests: New file.
============================ tests/test-largefile.c ============================
/* Test of largefile module.
Copyright (C) 2023 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 <https://www.gnu.org/licenses/>. */
/* Written by Bruno Haible <br...@clisp.org>, 2023. */
/* This test may fail if AC_SYS_LARGEFILE could not arrange for a 64-bit off_t.
This should be rare, though: only very old systems don't have support for
files larger than 2 GiB. */
#include <config.h>
#include <sys/types.h>
#include <sys/stat.h>
int
main (void)
{
int result = 0;
/* Check the size of off_t.
With MSVC, this test succeeds only thanks to the 'sys_types' module. */
if (sizeof (off_t) <= 4)
result |= 1;
/* Check the size of the 'struct stat' field 'st_size'.
With MSVC, this test succeeds only thanks to the 'sys_stat' module. */
{
struct stat st;
if (sizeof (st.st_size) <= 4)
result |= 2;
}
return result;
}
=========================== modules/largefile-tests ===========================
Files:
tests/test-largefile.c
Depends-on:
sys_types
sys_stat
configure.ac:
Makefile.am:
TESTS += test-largefile
check_PROGRAMS += test-largefile
