tests/test-mbscspn.c

   1 /* Test of searching a string for a character among a given set of characters.
   2    Copyright (C) 2007-2024 Free Software Foundation, Inc.
   3
   4    This program is free software: you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published by
   6    the Free Software Foundation, either version 3 of the License, or
   7    (at your option) any later version.
   8
   9    This program is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12    GNU General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License
  15    along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  16
  17 /* Written by Bruno Haible <bruno@clisp.org>, 2007.  */
  18
  19 #include <config.h>
  20
  21 #include <string.h>
  22
  23 #include <locale.h>
  24
  25 #include "macros.h"
  26
  27 int
  28 main ()
  29 {
  30   /* configure should already have checked that the locale is supported.  */
  31   if (setlocale (LC_ALL, "") == NULL)
  32     return 1;
  33
  34   ASSERT (mbscspn ("Some text", "") == 9);
  35
  36   {
  37     const char input[] = "A long sentence";
  38     ASSERT (mbscspn (input, "aeiou") == 3);
  39     ASSERT (mbscspn (input, "iI") == 15);
  40   }
  41
  42   /* The following tests shows how mbscspn() is different from strcspn().  */
  43
  44   {
  45     const char input[] = "B\303\266se B\303\274bchen"; /* "Böse Bübchen" */
  46     ASSERT (mbscspn (input, "\303\244\303\274") == 7); /* "äü" */
  47   }
  48 #if 0 /* This would be for a GB18030 locale.  */
  49   {
  50     const char input[] = "B\201\060\213\062se B\250\271bchen"; /* "Böse Bübchen" */
  51     ASSERT (mbscspn (input, "\201\060\212\061\250\271") == 9); /* "äü" */
  52   }
  53 #endif
  54
  55   {
  56     const char input[] = "B\303\266se B\303\274bchen"; /* "Böse Bübchen" */
  57     ASSERT (mbscspn (input, "\303") == 14); /* invalid multibyte sequence */
  58   }
  59
  60   return test_exit_status;
  61 }