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-rw-r--r--tests/test-setlocale2.c55
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diff --git a/tests/test-setlocale2.c b/tests/test-setlocale2.c
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+/* Test of setting the current locale.
+ Copyright (C) 2011-2015 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/>. */
+
+#include <config.h>
+
+#include <locale.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+int
+main ()
+{
+ /* Try to set the locale by implicitly looking at the LC_ALL environment
+ variable. */
+ if (setlocale (LC_ALL, "") != NULL)
+ /* It was successful. Check whether LC_CTYPE is non-trivial. */
+ if (strcmp (setlocale (LC_CTYPE, NULL), "C") == 0)
+ {
+ fprintf (stderr, "setlocale did not fail for implicit %s\n",
+ getenv ("LC_ALL"));
+ return 1;
+ }
+
+ /* Reset the locale. */
+ if (setlocale (LC_ALL, "C") == NULL)
+ return 1;
+
+ /* Try to set the locale by explicitly looking at the LC_ALL environment
+ variable. */
+ if (setlocale (LC_ALL, getenv ("LC_ALL")) != NULL)
+ /* It was successful. Check whether LC_CTYPE is non-trivial. */
+ if (strcmp (setlocale (LC_CTYPE, NULL), "C") == 0)
+ {
+ fprintf (stderr, "setlocale did not fail for explicit %s\n",
+ getenv ("LC_ALL"));
+ return 1;
+ }
+
+ return 0;
+}