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/* Test of line breaking of UTF-16 strings.
   Copyright (C) 2008-2025 Free Software Foundation, Inc.

   This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation, either version 3 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */

/* Written by Bruno Haible <bruno@clisp.org>, 2008.  */

#include <config.h>

#include "unilbrk.h"

#include <stdlib.h>

#include "macros.h"

static void
test_function (int (*my_u16_width_linebreaks) (const uint16_t *, size_t, int, int, int, const char *, const char *, char *_UC_RESTRICT),
               int version)
{
  /* Test case n = 0.  */
  my_u16_width_linebreaks (NULL, 0, 80, 0, 0, NULL, "GB18030", NULL);

  {
    static const uint16_t input[61] =
      /* "Grüß Gott. Здравствуйте! x=(-b±sqrt(b²-4ac))/(2a)  日本語,中文,한글" */
      { 'G', 'r', 0x00FC, 0x00DF, ' ', 'G', 'o', 't', 't', '.', ' ',
        0x0417, 0x0434, 0x0440, 0x0430, 0x0432, 0x0441, 0x0442, 0x0432, 0x0443,
        0x0439, 0x0442, 0x0435, '!', ' ',
        'x', '=', '(', '-', 'b', 0x00B1, 's', 'q', 'r', 't', '(', 'b', 0x00B2,
        '-', '4', 'a', 'c', ')', ')', '/', '(', '2', 'a', ')', ' ', ' ',
        0x65E5, 0x672C, 0x8A9E, ',', 0x4E2D, 0x6587, ',', 0xD55C, 0xAE00, '\n'
      };

    {
      char *p = (char *) malloc (SIZEOF (input));
      size_t i;

      my_u16_width_linebreaks (input, SIZEOF (input), 25, 0, 0, NULL, "GB18030", p);
      for (i = 0; i < 61; i++)
        {
          ASSERT (p[i] == (i == 60 ? UC_BREAK_MANDATORY :
                           i == 25 || i == 45 ? UC_BREAK_POSSIBLE :
                           UC_BREAK_PROHIBITED));
        }
      free (p);
    }

    {
      char *p = (char *) malloc (SIZEOF (input));
      size_t i;

      my_u16_width_linebreaks (input, SIZEOF (input), 25, 0, 0, NULL, "GB2312", p);
      for (i = 0; i < 61; i++)
        {
          ASSERT (p[i] == (i == 60 ? UC_BREAK_MANDATORY :
                           i == 11 || i == 25 || i == 45 ? UC_BREAK_POSSIBLE :
                           UC_BREAK_PROHIBITED));
        }
      free (p);
    }
  }
}

int
main ()
{
  test_function (u16_width_linebreaks, 2);
#ifdef IN_LIBUNISTRING_GNULIB_TESTS
# undef u16_width_linebreaks
  test_function (u16_width_linebreaks, 1);
#endif

  return test_exit_status;
}
kc3-lang/gnulib/tests/unilbrk/test-u16-width-linebreaks.c

Commit

tests/unilbrk/test-u16-width-linebreaks.c
