--- /dev/null
+/***
+ This file is part of catta.
+
+ catta is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as
+ published by the Free Software Foundation; either version 2.1 of the
+ License, or (at your option) any later version.
+
+ catta 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 Lesser General
+ Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with catta; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ USA.
+***/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <assert.h>
+
+#include <catta/gccmacro.h>
+
+#include "../src/utf8.h"
+
+int main(CATTA_GCC_UNUSED int argc, CATTA_GCC_UNUSED char *argv[]) {
+
+ assert(catta_utf8_valid("hallo"));
+ assert(!catta_utf8_valid("üxknürz"));
+ assert(catta_utf8_valid("üxknürz"));
+
+ return 0;
+}