root/maint/gnulib/tests/unistr/test-u-strtok.h

/* */

INCLUDED FROM

DEFINITIONS

1. test_u_strtok

   1 /* Test of uN_strtok() functions.
   2    Copyright (C) 2015-2021 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 static void
  18 test_u_strtok (void)
     /*  */
  19 {
  20   {
  21     UNIT input[] = { 'f', 'o', 'o', 0 };
  22     const UNIT delim[] = { 0 };
  23     UNIT *state;
  24     const UNIT *result = U_STRTOK (input, delim, &state);
  25     ASSERT (result == input);
  26   }
  27 
  28   {
  29     UNIT input[] =
  30       { 'A', 'B', 'C', ' ', 'A', 'B', 'C', 'D', 'A', 'B', ' ', '\t',
  31         'A', 'B', 'C', 'D', 'A', 'B', 'C', 'D', 'A', 'B', 'D', 'E', 0
  32       };
  33     const UNIT delim[] = { ' ', '\t', 0 };
  34     UNIT *state;
  35     const UNIT *result;
  36     result = U_STRTOK (input, delim, &state);
  37     ASSERT (result == input);
  38     result = U_STRTOK (NULL, delim, &state);
  39     ASSERT (result == input + 4);
  40     result = U_STRTOK (NULL, delim, &state);
  41     ASSERT (result == input + 12);
  42     result = U_STRTOK (NULL, delim, &state);
  43     ASSERT (result == NULL);
  44   }
  45 
  46   /* Check for multibyte delimiters.  */
  47   {
  48     ucs4_t u_input[] =
  49       { 'A', 'B', 'C', 0x3000, 'A', 'B', 'C', 'D', 'A', 'B', 0x3000, 0x3001,
  50         'A', 'B', 'C', 'D', 'A', 'B', 'C', 'D', 'A', 'B', 'D', 'E', 0
  51       };
  52     ucs4_t u_delim[] = { 0x3000, 0x3001, 0 };
  53     size_t input_len = 6 * SIZEOF (u_input);
  54     UNIT *input = (UNIT *) malloc (input_len);
  55     size_t delim_len = 6 * SIZEOF (u_delim);
  56     UNIT *delim = (UNIT *) malloc (delim_len);
  57     UNIT *state;
  58     const UNIT *result;
  59     UNIT *ptr, *first_ptr, *second_ptr;
  60     size_t i;
  61     for (i = 0, ptr = input; i < SIZEOF (u_input) && u_input[i] != 0; i++)
  62       {
  63         int ret = U_UCTOMB (ptr, u_input[i], input_len - (ptr - input));
  64         if (i == 4)
  65           first_ptr = ptr;
  66         if (i == 12)
  67           second_ptr = ptr;
  68         ptr += ret;
  69       }
  70     *ptr = 0;
  71     for (i = 0, ptr = delim; i < SIZEOF (u_delim) && u_delim[i] != 0; i++)
  72       {
  73         int ret = U_UCTOMB (ptr, u_delim[i], delim_len - (ptr - delim));
  74         ptr += ret;
  75       }
  76     *ptr = 0;
  77     result = U_STRTOK (input, delim, &state);
  78     ASSERT (result == input);
  79     result = U_STRTOK (NULL, delim, &state);
  80     ASSERT (result == first_ptr);
  81     result = U_STRTOK (NULL, delim, &state);
  82     ASSERT (result == second_ptr);
  83     result = U_STRTOK (NULL, delim, &state);
  84     ASSERT (result == NULL);
  85     free (input);
  86     free (delim);
  87   }
  88 }

/* */