tests/test-unicodeio.c

   1 /* Tests for Unicode character output.
   2
   3    Copyright (C) 2020-2024 Free Software Foundation, Inc.
   4
   5    This program is free software: you can redistribute it and/or modify
   6    it under the terms of the GNU General Public License as published by
   7    the Free Software Foundation, either version 3 of the License, or
   8    (at your option) any later version.
   9
  10    This program is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13    GNU General Public License for more details.
  14
  15    You should have received a copy of the GNU General Public License
  16    along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  17
  18 /* Written by Bruno Haible, 2020.  */
  19
  20 #include <config.h>
  21
  22 /* Specification.  */
  23 #include "unicodeio.h"
  24
  25 #include <locale.h>
  26 #include <string.h>
  27
  28 #include "localcharset.h"
  29 #include "macros.h"
  30
  31 #define TEST_CODE 0x2022
  32 #define TEST_CODE_AS_UTF8 "\xe2\x80\xa2"
  33 #define TEST_CODE_AS_GB18030 "\x81\x36\xa6\x31"
  34
  35 static char result[64];
  36
  37 static long
  38 success_callback (const char *buf, size_t buflen, void *callback_arg)
  39 {
  40   memcpy (result, buf, buflen);
  41   result[buflen] = '\0';
  42   return 42;
  43 }
  44
  45 static long
  46 failure_callback (unsigned int code, const char *msg, void *callback_arg)
  47 {
  48   ASSERT (code == TEST_CODE);
  49   strcpy (result, ".");
  50   return 55;
  51 }
  52
  53 int
  54 main (int argc, char *argv[])
  55 {
  56   /* configure should already have checked that the locale is supported.  */
  57   if (setlocale (LC_ALL, "") == NULL)
  58     return 1;
  59
  60   switch (unicode_to_mb (TEST_CODE, success_callback, failure_callback, NULL))
  61     {
  62     case 42:
  63       if (argc > 1)
  64         switch (argv[1][0])
  65           {
  66           case '1':
  67             /* On some platforms, the "C" locale has UTF-8 encoding.
  68                And on native Windows, the "C" locale may have an 8-bit encoding
  69                such as CP1252, that contains the U+2022 character.  */
  70             {
  71               const char *charset = locale_charset ();
  72               if (strcmp (charset, "CP874") == 0
  73                   || strcmp (charset, "CP1250") == 0
  74                   || strcmp (charset, "CP1251") == 0
  75                   || strcmp (charset, "CP1252") == 0
  76                   || strcmp (charset, "CP1253") == 0
  77                   || strcmp (charset, "CP1254") == 0
  78                   || strcmp (charset, "CP1255") == 0
  79                   || strcmp (charset, "CP1256") == 0
  80                   || strcmp (charset, "CP1257") == 0
  81                   || strcmp (charset, "CP1258") == 0)
  82                 ASSERT (strcmp (result, "\x95") == 0);
  83               else
  84                 ASSERT (strcmp (result, TEST_CODE_AS_UTF8) == 0);
  85             }
  86             break;
  87           case '2':
  88             ASSERT (strcmp (result, TEST_CODE_AS_UTF8) == 0);
  89             break;
  90           case '3':
  91             ASSERT (strcmp (result, TEST_CODE_AS_GB18030) == 0);
  92             break;
  93           }
  94       break;
  95     case 55:
  96       ASSERT (strcmp (result, ".") == 0);
  97       break;
  98     default:
  99       ASSERT (0);
 100     }
 101
 102   return test_exit_status;
 103 }