tests/uniwidth/test-u16-width.c

   1 /* Test of u16_width() function.
   2    Copyright (C) 2007-2025 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>, 2007.  */
  18
  19 #include <config.h>
  20
  21 #include "uniwidth.h"
  22
  23 #include "macros.h"
  24
  25 int
  26 main ()
  27 {
  28   static const uint16_t input[] =
  29     {
  30       #define INPUT1_OFFSET 0
  31       #define INPUT1_LENGTH 12
  32       'D', 'a', 'n', 'i', 'l', 'o', ' ', 0x0160, 'e', 'g', 'a', 'n',
  33       #define INPUT2_OFFSET 12
  34       #define INPUT2_LENGTH 13
  35       'D', 'a', 'n', 'i', 'l', 'o', ' ', 'S', 0x030C, 'e', 'g', 'a', 'n',
  36       #define INPUT3_OFFSET 25
  37       #define INPUT3_LENGTH 12
  38       0x0414, 0x0430, 0x043D, 0x0438, 0x043B, 0x043E, ' ',
  39       0x0428, 0x0435, 0x0433, 0x0430, 0x043D,
  40       #define INPUT4_OFFSET 37
  41       #define INPUT4_LENGTH 3
  42       0x5218, 0x519B, 0x6C11
  43     };
  44
  45   { /* "Danilo Šegan" */
  46     ASSERT (u16_width (input + INPUT1_OFFSET, INPUT1_LENGTH, "UTF-8") == 12);
  47   }
  48
  49   { /* "Danilo Šegan" decomposed */
  50     ASSERT (u16_width (input + INPUT2_OFFSET, INPUT2_LENGTH, "UTF-8") == 12);
  51   }
  52
  53   { /* "Данило Шеган" */
  54     ASSERT (u16_width (input + INPUT3_OFFSET, INPUT3_LENGTH, "UTF-8") == 12);
  55     ASSERT (u16_width (input + INPUT3_OFFSET, INPUT3_LENGTH, "EUC-JP") == 23);
  56   }
  57
  58   { /* 刘军民 */
  59     ASSERT (u16_width (input + INPUT4_OFFSET, INPUT4_LENGTH, "UTF-8") == 6);
  60     ASSERT (u16_width (input + INPUT4_OFFSET, INPUT4_LENGTH, "GB2312") == 6);
  61   }
  62
  63   return test_exit_status;
  64 }