tests/test-wcstok.c

   1 /* Test of conversion of wide string to string.
   2    Copyright (C) 2019-2024 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>, 2019.  */
  18
  19 #include <config.h>
  20
  21 #include <wchar.h>
  22
  23 #include "signature.h"
  24 SIGNATURE_CHECK (wcstok, wchar_t *,
  25                  (wchar_t *wcs, const wchar_t *delim, wchar_t **ptr));
  26
  27 #include <string.h>
  28
  29 #include "macros.h"
  30
  31 int
  32 main ()
  33 {
  34   wchar_t string[] = L"hello  world!";
  35   wchar_t delim[] = L" ";
  36   wchar_t *ptr;
  37   wchar_t *ret;
  38
  39   ret = wcstok (string, delim, &ptr);
  40   ASSERT (ret == string);
  41   ASSERT (memcmp (string, L"hello\0 world!", 14 * sizeof (wchar_t)) == 0);
  42   ASSERT (ptr == string + 6);
  43
  44   ret = wcstok (NULL, delim, &ptr);
  45   ASSERT (ret == string + 7);
  46   ASSERT (memcmp (string, L"hello\0 world!", 14 * sizeof (wchar_t)) == 0);
  47   ASSERT (ptr == NULL || *ptr == L'\0');
  48
  49   ret = wcstok (NULL, delim, &ptr);
  50   ASSERT (ret == NULL);
  51
  52   return test_exit_status;
  53 }