tests/test-mbfile.c

   1 /* Test of multibyte character I/O.
   2    Copyright (C) 2023-2024 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>, 2023.  */
  18
  19 #include <config.h>
  20
  21 #include "mbfile.h"
  22
  23 #include <locale.h>
  24
  25 #include "macros.h"
  26
  27 int
  28 main ()
  29 {
  30   if (setlocale (LC_ALL, "en_US.UTF-8") == NULL)
  31     {
  32       fprintf (stderr, "Skipping test: English Unicode locale is not installed\n");
  33       return 77;
  34     }
  35
  36   mb_file_t mbstdin;
  37   mbf_init (mbstdin, stdin);
  38   /* The input consists of 4 UTF-8 characters:
  39      '$', U+00A5, U+20AC, U+0001F403.  */
  40   mbf_char_t next;
  41
  42   mbf_getc (next, mbstdin);
  43   ASSERT (!mb_iseof (next));
  44   ASSERT (mb_len (next) == 1);
  45   ASSERT (mb_iseq (next, 0x0024));
  46
  47   mbf_getc (next, mbstdin);
  48   ASSERT (!mb_iseof (next));
  49   ASSERT (mb_len (next) == 2);
  50   ASSERT (mb_iseq (next, 0x00A5));
  51
  52   mbf_getc (next, mbstdin);
  53   ASSERT (!mb_iseof (next));
  54   ASSERT (mb_len (next) == 3);
  55   ASSERT (mb_iseq (next, 0x20AC));
  56
  57   mbf_getc (next, mbstdin);
  58   ASSERT (!mb_iseof (next));
  59   ASSERT (mb_len (next) == 4);
  60   ASSERT (mb_iseq (next, 0x1F403));
  61
  62   mbf_getc (next, mbstdin);
  63   ASSERT (mb_iseof (next));
  64
  65   return test_exit_status;
  66 }