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/* Test of gl_locale_name 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>, 2007. */
#include <config.h>
#include "localename.h"
#include <locale.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define ASSERT(expr) \
do \
{ \
if (!(expr)) \
{ \
fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
abort (); \
} \
} \
while (0)
int
main ()
{
/* Check that gl_locale_name returns non-NULL. */
ASSERT (gl_locale_name (LC_MESSAGES, "LC_MESSAGES") != NULL);
/* Check that when all environment variables are unset,
gl_locale_name_posix returns NULL. */
unsetenv ("LC_ALL");
unsetenv ("LC_CTYPE");
unsetenv ("LC_MESSAGES");
unsetenv ("LC_NUMERIC");
unsetenv ("LANG");
setlocale (LC_ALL, "");
ASSERT (strcmp (gl_locale_name (LC_MESSAGES, "LC_MESSAGES"),
gl_locale_name_default ()) == 0);
ASSERT (strcmp (gl_locale_name (LC_NUMERIC, "LC_NUMERIC"),
gl_locale_name_default ()) == 0);
/* Check that an empty environment variable is treated like an unset
environment variable. */
setenv ("LC_ALL", "", 1);
unsetenv ("LC_CTYPE");
unsetenv ("LC_MESSAGES");
unsetenv ("LANG");
setlocale (LC_ALL, "");
ASSERT (strcmp (gl_locale_name (LC_MESSAGES, "LC_MESSAGES"),
gl_locale_name_default ()) == 0);
unsetenv ("LC_ALL");
setenv ("LC_CTYPE", "", 1);
unsetenv ("LC_MESSAGES");
unsetenv ("LANG");
setlocale (LC_ALL, "");
ASSERT (strcmp (gl_locale_name (LC_MESSAGES, "LC_MESSAGES"),
gl_locale_name_default ()) == 0);
unsetenv ("LC_ALL");
unsetenv ("LC_CTYPE");
setenv ("LC_MESSAGES", "", 1);
unsetenv ("LANG");
setlocale (LC_ALL, "");
ASSERT (strcmp (gl_locale_name (LC_MESSAGES, "LC_MESSAGES"),
gl_locale_name_default ()) == 0);
unsetenv ("LC_ALL");
unsetenv ("LC_CTYPE");
unsetenv ("LC_MESSAGES");
setenv ("LANG", "", 1);
setlocale (LC_ALL, "");
ASSERT (strcmp (gl_locale_name (LC_MESSAGES, "LC_MESSAGES"),
gl_locale_name_default ()) == 0);
/* Check that LC_ALL overrides the others, and LANG is overridden by the
others. */
setenv ("LC_ALL", "C", 1);
unsetenv ("LC_CTYPE");
unsetenv ("LC_MESSAGES");
unsetenv ("LANG");
setlocale (LC_ALL, "");
ASSERT (strcmp (gl_locale_name_posix (LC_MESSAGES, "LC_MESSAGES"), "C") == 0);
ASSERT (strcmp (gl_locale_name (LC_MESSAGES, "LC_MESSAGES"), "C") == 0);
unsetenv ("LC_ALL");
setenv ("LC_CTYPE", "C", 1);
setenv ("LC_MESSAGES", "C", 1);
unsetenv ("LANG");
setlocale (LC_ALL, "");
ASSERT (strcmp (gl_locale_name_posix (LC_MESSAGES, "LC_MESSAGES"), "C") == 0);
ASSERT (strcmp (gl_locale_name (LC_MESSAGES, "LC_MESSAGES"), "C") == 0);
unsetenv ("LC_ALL");
unsetenv ("LC_CTYPE");
unsetenv ("LC_MESSAGES");
setenv ("LANG", "C", 1);
setlocale (LC_ALL, "");
ASSERT (strcmp (gl_locale_name_posix (LC_MESSAGES, "LC_MESSAGES"), "C") == 0);
ASSERT (strcmp (gl_locale_name (LC_MESSAGES, "LC_MESSAGES"), "C") == 0);
return 0;
}
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