1  /* Test of uc_width() function.
       2     Copyright (C) 2007-2023 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    ucs4_t uc;
      29  
      30    /* Test width of ASCII characters.  */
      31    for (uc = 0x0020; uc < 0x007F; uc++)
      32      ASSERT (uc_width (uc, "ISO-8859-2") == 1);
      33  
      34    /* Test width of some non-spacing characters.  */
      35    ASSERT (uc_width (0x0301, "UTF-8") == 0);
      36    ASSERT (uc_width (0x05B0, "UTF-8") == 0);
      37  
      38    /* Test width of some format control characters.  */
      39    ASSERT (uc_width (0x200E, "UTF-8") == 0);
      40    ASSERT (uc_width (0x2060, "UTF-8") == 0);
      41    ASSERT (uc_width (0xE0001, "UTF-8") == 0);
      42    ASSERT (uc_width (0xE0044, "UTF-8") == 0);
      43  
      44    /* Test width of some zero width characters.  */
      45    ASSERT (uc_width (0x200B, "UTF-8") == 0);
      46    ASSERT (uc_width (0xFEFF, "UTF-8") == 0);
      47  
      48    /* Test width of some CJK characters.  */
      49    ASSERT (uc_width (0x3000, "UTF-8") == 2);
      50    ASSERT (uc_width (0xB250, "UTF-8") == 2);
      51    ASSERT (uc_width (0xFF1A, "UTF-8") == 2);
      52    ASSERT (uc_width (0x20369, "UTF-8") == 2);
      53    ASSERT (uc_width (0x2F876, "UTF-8") == 2);
      54  
      55    return 0;
      56  }