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glib/tests/utf8-validate.c
Matthias Clasen b8d9e050a4 Add utf8-validate. 
2004-11-24  Matthias Clasen  <mclasen@redhat.com>

	* tests/Makefile.am (test_programs): Add utf8-validate.

	* tests/utf8-validate.c: Unit tests for g_utf8_validate().
2004-11-24 15:54:20 +00:00

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/* 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;
}
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