kc3-lang/gnulib/tests/test-unicodeio.c

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• Hash : 5b92dd0a
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  Date : 2024-01-01T10:31:48
  

  maint: run 'make update-copyright'
  

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• tests/test-unicodeio.c

• /* Tests for Unicode character output.
  
     Copyright (C) 2020-2024 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, 2020.  */
  
  #include <config.h>
  
  /* Specification.  */
  #include "unicodeio.h"
  
  #include <locale.h>
  #include <string.h>
  
  #include "localcharset.h"
  #include "macros.h"
  
  #define TEST_CODE 0x2022
  #define TEST_CODE_AS_UTF8 "\xe2\x80\xa2"
  #define TEST_CODE_AS_GB18030 "\x81\x36\xa6\x31"
  
  static char result[64];
  
  static long
  success_callback (const char *buf, size_t buflen, void *callback_arg)
  {
    memcpy (result, buf, buflen);
    result[buflen] = '\0';
    return 42;
  }
  
  static long
  failure_callback (unsigned int code, const char *msg, void *callback_arg)
  {
    ASSERT (code == TEST_CODE);
    strcpy (result, ".");
    return 55;
  }
  
  int
  main (int argc, char *argv[])
  {
    /* configure should already have checked that the locale is supported.  */
    if (setlocale (LC_ALL, "") == NULL)
      return 1;
  
    switch (unicode_to_mb (TEST_CODE, success_callback, failure_callback, NULL))
      {
      case 42:
        if (argc > 1)
          switch (argv[1][0])
            {
            case '1':
              /* On some platforms, the "C" locale has UTF-8 encoding.
                 And on native Windows, the "C" locale may have an 8-bit encoding
                 such as CP1252, that contains the U+2022 character.  */
              {
                const char *charset = locale_charset ();
                if (strcmp (charset, "CP874") == 0
                    || strcmp (charset, "CP1250") == 0
                    || strcmp (charset, "CP1251") == 0
                    || strcmp (charset, "CP1252") == 0
                    || strcmp (charset, "CP1253") == 0
                    || strcmp (charset, "CP1254") == 0
                    || strcmp (charset, "CP1255") == 0
                    || strcmp (charset, "CP1256") == 0
                    || strcmp (charset, "CP1257") == 0
                    || strcmp (charset, "CP1258") == 0)
                  ASSERT (strcmp (result, "\x95") == 0);
                else
                  ASSERT (strcmp (result, TEST_CODE_AS_UTF8) == 0);
              }
              break;
            case '2':
              ASSERT (strcmp (result, TEST_CODE_AS_UTF8) == 0);
              break;
            case '3':
              ASSERT (strcmp (result, TEST_CODE_AS_GB18030) == 0);
              break;
            }
        break;
      case 55:
        ASSERT (strcmp (result, ".") == 0);
        break;
      default:
        ASSERT (0);
      }
  
    return 0;
  }
  

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