tests/test-mbsspn.c

   1 /* Test of searching a string for a character outside 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 (mbsspn ("Some text", "") == 0);
  35
  36   ASSERT (mbsspn ("A long sentence", " ") == 0);
  37   ASSERT (mbsspn ("  xy", "aei ou") == 2);
  38   ASSERT (mbsspn ("eau", "aeiou") == 3);
  39
  40   /* The following tests shows how mbsspn() is different from strspn().  */
  41
  42   {
  43     const char input[] = "\303\266\303\274"; /* "öü" */
  44     ASSERT (mbsspn (input, "\303\266") == 2); /* "ö" */
  45     ASSERT (mbsspn (input, "\303\244") == 0); /* "ä" */
  46     ASSERT (mbsspn (input, "\303\274\303\266") == 4); /* "üö" */
  47     ASSERT (mbsspn (input, "\303\244\303\274") == 0); /* "äü" */
  48     ASSERT (mbsspn (input, "\303\244\303\266") == 2); /* "äö" */
  49   }
  50
  51   {
  52     const char input[] = "\303\266\303\274"; /* "öü" */
  53     ASSERT (mbsspn (input, "\303") == 0); /* invalid multibyte sequence */
  54   }
  55
  56   return test_exit_status;
  57 }