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-rw-r--r--tests/test-localename.c122
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diff --git a/tests/test-localename.c b/tests/test-localename.c
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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__); \
+ fflush (stderr); \
+ 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;
+}