--- /dev/null
+/* Test of setting the current locale.
+ Copyright (C) 2024 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/>. */
+
+#include <config.h>
+
+#include <locale.h>
+
+#include <stdio.h>
+#include <string.h>
+
+#include "macros.h"
+
+#if defined _WIN32 && !defined __CYGWIN__
+
+# define ENGLISH "English_United States"
+# define FRENCH "French_France"
+# define GERMAN "German_Germany"
+# define BRAZILIAN "Portuguese_Brazil"
+# define CATALAN "Catalan_Spain"
+# define ENCODING ".1252"
+
+# define LOCALE1 GERMAN ENCODING
+# define LOCALE2 FRENCH ENCODING
+# define LOCALE3 ENGLISH ENCODING
+# define LOCALE4 BRAZILIAN ENCODING
+# define LOCALE5 CATALAN ENCODING
+
+int
+main ()
+{
+ const char *ret;
+ const char *ret_all;
+
+ /* Set a mixed locale. */
+ if (setlocale (LC_ALL, LOCALE1) == NULL)
+ {
+ fprintf (stderr, "Setting locale %s failed.\n", LOCALE1);
+ return 1;
+ }
+ if (setlocale (LC_NUMERIC, LOCALE2) == NULL)
+ {
+ fprintf (stderr, "Setting locale %s failed.\n", LOCALE2);
+ return 1;
+ }
+ if (setlocale (LC_TIME, LOCALE3) == NULL)
+ {
+ fprintf (stderr, "Setting locale %s failed.\n", LOCALE3);
+ return 1;
+ }
+ if (setlocale (LC_MESSAGES, LOCALE4) == NULL)
+ {
+ fprintf (stderr, "Setting locale %s failed.\n", LOCALE4);
+ return 1;
+ }
+ if (setlocale (LC_MONETARY, LOCALE5) == NULL)
+ {
+ fprintf (stderr, "Setting locale %s failed.\n", LOCALE5);
+ return 1;
+ }
+
+ /* Check the individual categories. */
+ ret = setlocale (LC_COLLATE, NULL);
+ ASSERT (ret != NULL && strcmp (ret, LOCALE1) == 0);
+ ret = setlocale (LC_CTYPE, NULL);
+ ASSERT (ret != NULL && strcmp (ret, LOCALE1) == 0);
+ ret = setlocale (LC_MONETARY, NULL);
+ ASSERT (ret != NULL && strcmp (ret, LOCALE5) == 0);
+ ret = setlocale (LC_NUMERIC, NULL);
+ ASSERT (ret != NULL && strcmp (ret, LOCALE2) == 0);
+ ret = setlocale (LC_TIME, NULL);
+ ASSERT (ret != NULL && strcmp (ret, LOCALE3) == 0);
+ ret = setlocale (LC_MESSAGES, NULL);
+ ASSERT (ret != NULL && strcmp (ret, LOCALE4) == 0);
+ ret = setlocale (LC_ALL, NULL);
+ ASSERT (ret != NULL
+ && strcmp (ret, "LC_COLLATE=" LOCALE1 ";"
+ "LC_CTYPE=" LOCALE1 ";"
+ "LC_MONETARY=" LOCALE5 ";"
+ "LC_NUMERIC=" LOCALE2 ";"
+ "LC_TIME=" LOCALE3 ";"
+ "LC_MESSAGES=" LOCALE4)
+ == 0);
+ ret_all = _strdup (ret);
+
+ /* Reset the locale. */
+ ASSERT (setlocale (LC_ALL, "C") != NULL);
+
+ ret = setlocale (LC_ALL, NULL);
+ ASSERT (ret != NULL && strcmp (ret, "C") == 0);
+ ret = setlocale (LC_MESSAGES, NULL);
+ ASSERT (ret != NULL && strcmp (ret, "C") == 0);
+
+ /* Restore the locale. */
+ ret = setlocale (LC_ALL, ret_all);
+ ASSERT (ret != NULL && strcmp (ret, ret_all) == 0);
+
+ /* Check the individual categories again. */
+ ret = setlocale (LC_COLLATE, NULL);
+ ASSERT (ret != NULL && strcmp (ret, LOCALE1) == 0);
+ ret = setlocale (LC_CTYPE, NULL);
+ ASSERT (ret != NULL && strcmp (ret, LOCALE1) == 0);
+ ret = setlocale (LC_MONETARY, NULL);
+ ASSERT (ret != NULL && strcmp (ret, LOCALE5) == 0);
+ ret = setlocale (LC_NUMERIC, NULL);
+ ASSERT (ret != NULL && strcmp (ret, LOCALE2) == 0);
+ ret = setlocale (LC_TIME, NULL);
+ ASSERT (ret != NULL && strcmp (ret, LOCALE3) == 0);
+ ret = setlocale (LC_MESSAGES, NULL);
+ ASSERT (ret != NULL && strcmp (ret, LOCALE4) == 0);
+ ret = setlocale (LC_ALL, NULL);
+ ASSERT (ret != NULL
+ && strcmp (ret, "LC_COLLATE=" LOCALE1 ";"
+ "LC_CTYPE=" LOCALE1 ";"
+ "LC_MONETARY=" LOCALE5 ";"
+ "LC_NUMERIC=" LOCALE2 ";"
+ "LC_TIME=" LOCALE3 ";"
+ "LC_MESSAGES=" LOCALE4)
+ == 0);
+
+ return test_exit_status;
+}
+
+#else
+
+int
+main ()
+{
+ fputs ("Skipping test: not a native Windows system\n", stderr);
+ return 77;
+}
+
+#endif