--- /dev/null
+/* GLIB - Library of useful routines for C programming
+ * Copyright (C) 2001 Matthias Clasen <matthiasc@poet.de>
+ *
+ * This library 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 of the License, or (at your option) any later version.
+ *
+ * This library 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 this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include "glib.h"
+
+#define UNICODE_VALID(Char) \
+ ((Char) < 0x110000 && \
+ (((Char) & 0xFFFFF800) != 0xD800) && \
+ ((Char) < 0xFDD0 || (Char) > 0xFDEF) && \
+ ((Char) & 0xFFFE) != 0xFFFE)
+
+
+
+static gboolean any_failed = FALSE;
+
+struct {
+ const gchar *text;
+ gint max_len;
+ gint offset;
+ gboolean valid;
+} test[] = {
+ /* some tests to check max_len handling
+ /* length 1 */
+ { "abcde", -1, 5, TRUE },
+ { "abcde", 3, 3, TRUE },
+ { "abcde", 5, 5, TRUE },
+ { "abcde", 7, 5, FALSE },
+ /* length 2 */
+ { "\xc2\xa9\xc2\xa9\xc2\xa9", -1, 6, TRUE },
+ { "\xc2\xa9\xc2\xa9\xc2\xa9", 1, 0, FALSE },
+ { "\xc2\xa9\xc2\xa9\xc2\xa9", 2, 2, TRUE },
+ { "\xc2\xa9\xc2\xa9\xc2\xa9", 3, 2, FALSE },
+ { "\xc2\xa9\xc2\xa9\xc2\xa9", 4, 4, TRUE },
+ { "\xc2\xa9\xc2\xa9\xc2\xa9", 5, 4, FALSE },
+ { "\xc2\xa9\xc2\xa9\xc2\xa9", 6, 6, TRUE },
+ { "\xc2\xa9\xc2\xa9\xc2\xa9", 7, 6, FALSE },
+ /* length 3 */
+ { "\xe2\x89\xa0\xe2\x89\xa0", -1, 6, TRUE },
+ { "\xe2\x89\xa0\xe2\x89\xa0", 1, 0, FALSE },
+ { "\xe2\x89\xa0\xe2\x89\xa0", 2, 0, FALSE },
+ { "\xe2\x89\xa0\xe2\x89\xa0", 3, 3, TRUE },
+ { "\xe2\x89\xa0\xe2\x89\xa0", 4, 3, FALSE },
+ { "\xe2\x89\xa0\xe2\x89\xa0", 5, 3, FALSE },
+ { "\xe2\x89\xa0\xe2\x89\xa0", 6, 6, TRUE },
+ { "\xe2\x89\xa0\xe2\x89\xa0", 7, 6, FALSE },
+
+ /* examples from http://www.cl.cam.ac.uk/~mgk25/ucs/examples/UTF-8-test.txt */
+ /* greek 'kosme' */
+ { "\xce\xba\xe1\xbd\xb9\xcf\x83\xce\xbc\xce\xb5", -1, 11, TRUE },
+ /* first sequence of each length */
+ { "\x00", -1, 0, TRUE },
+ { "\xc2\x80", -1, 2, TRUE },
+ { "\xe0\xa0\x80", -1, 3, TRUE },
+ { "\xf0\x90\x80\x80", -1, 4, TRUE },
+ { "\xf8\x88\x80\x80\x80", -1, 0, FALSE },
+ { "\xfc\x84\x80\x80\x80\x80", -1, 0, FALSE },
+ /* last sequence of each length */
+ { "\x7f", -1, 1, TRUE },
+ { "\xdf\xbf", -1, 2, TRUE },
+ { "\xef\xbf\xbf", -1, 0, FALSE },
+ { "\xf7\xbf\xbf\xbf", -1, 0, FALSE },
+ { "\xfb\xbf\xbf\xbf\xbf", -1, 0, FALSE },
+ { "\xfd\xbf\xbf\xbf\xbf\xbf", -1, 0, FALSE },
+ /* other boundary conditions */
+ { "\xed\x9f\xbf", -1, 3, TRUE },
+ { "\xee\x80\x80", -1, 3, TRUE },
+ { "\xef\xbf\xbd", -1, 3, TRUE },
+ { "\xf4\x8f\xbf\xbf", -1, 0, FALSE },
+ { "\xf4\x90\x80\x80", -1, 0, FALSE },
+ /* malformed sequences */
+ /* continuation bytes */
+ { "\x80", -1, 0, FALSE },
+ { "\xbf", -1, 0, FALSE },
+ { "\x80\xbf", -1, 0, FALSE },
+ { "\x80\xbf\x80", -1, 0, FALSE },
+ { "\x80\xbf\x80\xbf", -1, 0, FALSE },
+ { "\x80\xbf\x80\xbf\x80", -1, 0, FALSE },
+ { "\x80\xbf\x80\xbf\x80\xbf", -1, 0, FALSE },
+ { "\x80\xbf\x80\xbf\x80\xbf\x80", -1, 0, FALSE },
+
+ /* all possible continuation byte */
+ { "\x80", -1, 0, FALSE },
+ { "\x81", -1, 0, FALSE },
+ { "\x82", -1, 0, FALSE },
+ { "\x83", -1, 0, FALSE },
+ { "\x84", -1, 0, FALSE },
+ { "\x85", -1, 0, FALSE },
+ { "\x86", -1, 0, FALSE },
+ { "\x87", -1, 0, FALSE },
+ { "\x88", -1, 0, FALSE },
+ { "\x89", -1, 0, FALSE },
+ { "\x8a", -1, 0, FALSE },
+ { "\x8b", -1, 0, FALSE },
+ { "\x8c", -1, 0, FALSE },
+ { "\x8d", -1, 0, FALSE },
+ { "\x8e", -1, 0, FALSE },
+ { "\x8f", -1, 0, FALSE },
+ { "\x90", -1, 0, FALSE },
+ { "\x91", -1, 0, FALSE },
+ { "\x92", -1, 0, FALSE },
+ { "\x93", -1, 0, FALSE },
+ { "\x94", -1, 0, FALSE },
+ { "\x95", -1, 0, FALSE },
+ { "\x96", -1, 0, FALSE },
+ { "\x97", -1, 0, FALSE },
+ { "\x98", -1, 0, FALSE },
+ { "\x99", -1, 0, FALSE },
+ { "\x9a", -1, 0, FALSE },
+ { "\x9b", -1, 0, FALSE },
+ { "\x9c", -1, 0, FALSE },
+ { "\x9d", -1, 0, FALSE },
+ { "\x9e", -1, 0, FALSE },
+ { "\x9f", -1, 0, FALSE },
+ { "\xa0", -1, 0, FALSE },
+ { "\xa1", -1, 0, FALSE },
+ { "\xa2", -1, 0, FALSE },
+ { "\xa3", -1, 0, FALSE },
+ { "\xa4", -1, 0, FALSE },
+ { "\xa5", -1, 0, FALSE },
+ { "\xa6", -1, 0, FALSE },
+ { "\xa7", -1, 0, FALSE },
+ { "\xa8", -1, 0, FALSE },
+ { "\xa9", -1, 0, FALSE },
+ { "\xaa", -1, 0, FALSE },
+ { "\xab", -1, 0, FALSE },
+ { "\xac", -1, 0, FALSE },
+ { "\xad", -1, 0, FALSE },
+ { "\xae", -1, 0, FALSE },
+ { "\xaf", -1, 0, FALSE },
+ { "\xb0", -1, 0, FALSE },
+ { "\xb1", -1, 0, FALSE },
+ { "\xb2", -1, 0, FALSE },
+ { "\xb3", -1, 0, FALSE },
+ { "\xb4", -1, 0, FALSE },
+ { "\xb5", -1, 0, FALSE },
+ { "\xb6", -1, 0, FALSE },
+ { "\xb7", -1, 0, FALSE },
+ { "\xb8", -1, 0, FALSE },
+ { "\xb9", -1, 0, FALSE },
+ { "\xba", -1, 0, FALSE },
+ { "\xbb", -1, 0, FALSE },
+ { "\xbc", -1, 0, FALSE },
+ { "\xbd", -1, 0, FALSE },
+ { "\xbe", -1, 0, FALSE },
+ { "\xbf", -1, 0, FALSE },
+ /* lone start characters */
+ { "\xc0\x20", -1, 0, FALSE },
+ { "\xc1\x20", -1, 0, FALSE },
+ { "\xc2\x20", -1, 0, FALSE },
+ { "\xc3\x20", -1, 0, FALSE },
+ { "\xc4\x20", -1, 0, FALSE },
+ { "\xc5\x20", -1, 0, FALSE },
+ { "\xc6\x20", -1, 0, FALSE },
+ { "\xc7\x20", -1, 0, FALSE },
+ { "\xc8\x20", -1, 0, FALSE },
+ { "\xc9\x20", -1, 0, FALSE },
+ { "\xca\x20", -1, 0, FALSE },
+ { "\xcb\x20", -1, 0, FALSE },
+ { "\xcc\x20", -1, 0, FALSE },
+ { "\xcd\x20", -1, 0, FALSE },
+ { "\xce\x20", -1, 0, FALSE },
+ { "\xcf\x20", -1, 0, FALSE },
+ { "\xd0\x20", -1, 0, FALSE },
+ { "\xd1\x20", -1, 0, FALSE },
+ { "\xd2\x20", -1, 0, FALSE },
+ { "\xd3\x20", -1, 0, FALSE },
+ { "\xd4\x20", -1, 0, FALSE },
+ { "\xd5\x20", -1, 0, FALSE },
+ { "\xd6\x20", -1, 0, FALSE },
+ { "\xd7\x20", -1, 0, FALSE },
+ { "\xd8\x20", -1, 0, FALSE },
+ { "\xd9\x20", -1, 0, FALSE },
+ { "\xda\x20", -1, 0, FALSE },
+ { "\xdb\x20", -1, 0, FALSE },
+ { "\xdc\x20", -1, 0, FALSE },
+ { "\xdd\x20", -1, 0, FALSE },
+ { "\xde\x20", -1, 0, FALSE },
+ { "\xdf\x20", -1, 0, FALSE },
+ { "\xe0\x20", -1, 0, FALSE },
+ { "\xe1\x20", -1, 0, FALSE },
+ { "\xe2\x20", -1, 0, FALSE },
+ { "\xe3\x20", -1, 0, FALSE },
+ { "\xe4\x20", -1, 0, FALSE },
+ { "\xe5\x20", -1, 0, FALSE },
+ { "\xe6\x20", -1, 0, FALSE },
+ { "\xe7\x20", -1, 0, FALSE },
+ { "\xe8\x20", -1, 0, FALSE },
+ { "\xe9\x20", -1, 0, FALSE },
+ { "\xea\x20", -1, 0, FALSE },
+ { "\xeb\x20", -1, 0, FALSE },
+ { "\xec\x20", -1, 0, FALSE },
+ { "\xed\x20", -1, 0, FALSE },
+ { "\xee\x20", -1, 0, FALSE },
+ { "\xef\x20", -1, 0, FALSE },
+ { "\xf0\x20", -1, 0, FALSE },
+ { "\xf1\x20", -1, 0, FALSE },
+ { "\xf2\x20", -1, 0, FALSE },
+ { "\xf3\x20", -1, 0, FALSE },
+ { "\xf4\x20", -1, 0, FALSE },
+ { "\xf5\x20", -1, 0, FALSE },
+ { "\xf6\x20", -1, 0, FALSE },
+ { "\xf7\x20", -1, 0, FALSE },
+ { "\xf8\x20", -1, 0, FALSE },
+ { "\xf9\x20", -1, 0, FALSE },
+ { "\xfa\x20", -1, 0, FALSE },
+ { "\xfb\x20", -1, 0, FALSE },
+ { "\xfc\x20", -1, 0, FALSE },
+ { "\xfd\x20", -1, 0, FALSE },
+ /* missing continuation bytes */
+ { "\x20\xc0", -1, 1, FALSE },
+ { "\x20\xe0\x80", -1, 1, FALSE },
+ { "\x20\xf0\x80\x80", -1, 1, FALSE },
+ { "\x20\xf8\x80\x80\x80", -1, 1, FALSE },
+ { "\x20\xfc\x80\x80\x80\x80", -1, 1, FALSE },
+ { "\x20\xdf", -1, 1, FALSE },
+ { "\x20\xef\xbf", -1, 1, FALSE },
+ { "\x20\xf7\xbf\xbf", -1, 1, FALSE },
+ { "\x20\xfb\xbf\xbf\xbf", -1, 1, FALSE },
+ { "\x20\xfd\xbf\xbf\xbf\xbf", -1, 1, FALSE },
+ /* impossible bytes */
+ { "\x20\xfe\x20", -1, 1, FALSE },
+ { "\x20\xff\x20", -1, 1, FALSE },
+ /* overlong sequences */
+ { "\x20\xc0\xaf\x20", -1, 1, FALSE },
+ { "\x20\xe0\x80\xaf\x20", -1, 1, FALSE },
+ { "\x20\xf0\x80\x80\xaf\x20", -1, 1, FALSE },
+ { "\x20\xf8\x80\x80\x80\xaf\x20", -1, 1, FALSE },
+ { "\x20\xfc\x80\x80\x80\x80\xaf\x20", -1, 1, FALSE },
+ { "\x20\xc1\xbf\x20", -1, 1, FALSE },
+ { "\x20\xe0\x9f\xbf\x20", -1, 1, FALSE },
+ { "\x20\xf0\x8f\xbf\xbf\x20", -1, 1, FALSE },
+ { "\x20\xf8\x87\xbf\xbf\xbf\x20", -1, 1, FALSE },
+ { "\x20\xfc\x83\xbf\xbf\xbf\xbf\x20", -1, 1, FALSE },
+ { "\x20\xc0\x80\x20", -1, 1, FALSE },
+ { "\x20\xe0\x80\x80\x20", -1, 1, FALSE },
+ { "\x20\xf0\x80\x80\x80\x20", -1, 1, FALSE },
+ { "\x20\xf8\x80\x80\x80\x80\x20", -1, 1, FALSE },
+ { "\x20\xfc\x80\x80\x80\x80\x80\x20", -1, 1, FALSE },
+ /* illegal code positions */
+ { "\x20\xed\xa0\x80\x20", -1, 1, FALSE },
+ { "\x20\xed\xad\xbf\x20", -1, 1, FALSE },
+ { "\x20\xed\xae\x80\x20", -1, 1, FALSE },
+ { "\x20\xed\xaf\xbf\x20", -1, 1, FALSE },
+ { "\x20\xed\xb0\x80\x20", -1, 1, FALSE },
+ { "\x20\xed\xbe\x80\x20", -1, 1, FALSE },
+ { "\x20\xed\xbf\xbf\x20", -1, 1, FALSE },
+ { "\x20\xed\xa0\x80\xed\xb0\x80\x20", -1, 1, FALSE },
+ { "\x20\xed\xa0\x80\xed\xbf\xbf\x20", -1, 1, FALSE },
+ { "\x20\xed\xad\xbf\xed\xb0\x80\x20", -1, 1, FALSE },
+ { "\x20\xed\xad\xbf\xed\xbf\xbf\x20", -1, 1, FALSE },
+ { "\x20\xed\xae\x80\xed\xb0\x80\x20", -1, 1, FALSE },
+ { "\x20\xed\xae\x80\xed\xbf\xbf\x20", -1, 1, FALSE },
+ { "\x20\xed\xaf\xbf\xed\xb0\x80\x20", -1, 1, FALSE },
+ { "\x20\xed\xaf\xbf\xed\xbf\xbf\x20", -1, 1, FALSE },
+ { "\x20\xef\xbf\xbe\x20", -1, 1, FALSE },
+ { "\x20\xef\xbf\xbf\x20", -1, 1, FALSE },
+
+ { NULL, }
+};
+
+static void
+do_test (gint index,
+ const gchar *text,
+ gint max_len,
+ gint offset,
+ gboolean valid)
+{
+ const gchar *end;
+ gboolean result;
+
+ result = g_utf8_validate (text, max_len, &end);
+
+ if (result != valid || end - text != offset)
+ {
+ GString *str;
+ const gchar *p;
+
+ any_failed = TRUE;
+
+ str = g_string_new (0);
+ for (p = text; *p; p++)
+ g_string_append_printf (str, "\\x%02hhx", *p);
+ g_print ("%d: g_utf8_validate (\"%s\", %d) failed, "
+ "expected %s %d, got %s %d\n",
+ index,
+ str->str, max_len,
+ valid ? "TRUE" : "FALSE", offset,
+ result ? "TRUE" : "FALSE", end - text);
+ g_string_free (str, FALSE);
+ }
+}
+
+int
+main (int argc, char *argv[])
+{
+ gint i;
+
+ for (i = 0; test[i].text; i++)
+ do_test (i, test[i].text, test[i].max_len,
+ test[i].offset, test[i].valid);
+
+ return any_failed ? 1 : 0;
+}