tests/unistr/test-u16-mbsnlen.c

   1 /* Test of u16_mbsnlen() function.
   2    Copyright (C) 2010-2017 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 <http://www.gnu.org/licenses/>.  */
  16
  17 /* Written by Bruno Haible <bruno@clisp.org>, 2010.  */
  18
  19 #include <config.h>
  20
  21 #include "unistr.h"
  22
  23 #include "macros.h"
  24
  25 int
  26 main ()
  27 {
  28   /* Simple string.  */
  29   { /* "Grüß Gott. Здравствуйте! x=(-b±sqrt(b²-4ac))/(2a)  日本語,中文,한글" */
  30     static const uint16_t input[] =
  31       { 'G', 'r', 0x00FC, 0x00DF, ' ', 'G', 'o', 't', 't', '.', ' ',
  32         0x0417, 0x0434, 0x0440, 0x0430, 0x0432, 0x0441, 0x0442, 0x0432, 0x0443,
  33         0x0439, 0x0442, 0x0435, '!', ' ',
  34         'x', '=', '(', '-', 'b', 0x00B1, 's', 'q', 'r', 't', '(', 'b', 0x00B2,
  35         '-', '4', 'a', 'c', ')', ')', '/', '(', '2', 'a', ')', ' ', ' ',
  36         0x65E5, 0x672C, 0x8A9E, ',', 0x4E2D, 0x6587, ',', 0xD55C, 0xAE00, '\n'
  37       };
  38     size_t n;
  39
  40     for (n = 0; n <= SIZEOF (input); n++)
  41       {
  42         size_t len = u16_mbsnlen (input, n);
  43         ASSERT (len == n);
  44       }
  45   }
  46
  47   /* String with characters outside the BMP.  */
  48   {
  49     static const uint16_t input[] =
  50       { '-', '(', 0xD835, 0xDD1E, 0x00D7, 0xD835, 0xDD1F, ')', '=',
  51         0xD835, 0xDD1F, 0x00D7, 0xD835, 0xDD1E
  52       };
  53     static const size_t expected[SIZEOF (input) + 1] =
  54       { 0,
  55         1, 2, 3, 3, 4, 5, 5, 6, 7,
  56         8, 8, 9, 10, 10
  57       };
  58     size_t n;
  59
  60     for (n = 0; n <= SIZEOF (input); n++)
  61       {
  62         size_t len = u16_mbsnlen (input, n);
  63         ASSERT (len == expected[n]);
  64       }
  65   }
  66
  67   return 0;
  68 }