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+/* Test of case-insensitive string comparison function.
+ Copyright (C) 2007-2022 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 <bruno@clisp.org>, 2007. */
+
+#include <config.h>
+
+#include <string.h>
+
+#include <locale.h>
+
+#include "macros.h"
+
+int
+main ()
+{
+ /* configure should already have checked that the locale is supported. */
+ if (setlocale (LC_ALL, "") == NULL)
+ return 1;
+
+ ASSERT (mbscasecmp ("paragraph", "Paragraph") == 0);
+
+ ASSERT (mbscasecmp ("paragrapH", "parAgRaph") == 0);
+
+ ASSERT (mbscasecmp ("paragraph", "paraLyzed") < 0);
+ ASSERT (mbscasecmp ("paraLyzed", "paragraph") > 0);
+
+ ASSERT (mbscasecmp ("para", "paragraph") < 0);
+ ASSERT (mbscasecmp ("paragraph", "para") > 0);
+
+ /* The following tests shows how mbscasecmp() is different from
+ strcasecmp(). */
+
+ ASSERT (mbscasecmp ("\303\266zg\303\274r", "\303\226ZG\303\234R") == 0); /* özgür */
+ ASSERT (mbscasecmp ("\303\226ZG\303\234R", "\303\266zg\303\274r") == 0); /* özgür */
+
+ /* This test shows how strings of different size can compare equal. */
+ ASSERT (mbscasecmp ("turkish", "TURK\304\260SH") == 0);
+ ASSERT (mbscasecmp ("TURK\304\260SH", "turkish") == 0);
+
+ return 0;
+}