root/maint/gnulib/tests/uniconv/test-u16-strconv-to-enc.c

/* */

DEFINITIONS

1. main

   1 /* Test of conversion from UTF-16 to legacy encodings.
   2    Copyright (C) 2007-2021 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 "uniconv.h"
  22 
  23 #include <errno.h>
  24 #include <stdlib.h>
  25 #include <string.h>
  26 
  27 #include "macros.h"
  28 
  29 int
  30 main ()
     /*  */
  31 {
  32 #if HAVE_ICONV
  33   static enum iconv_ilseq_handler handlers[] =
  34     { iconveh_error, iconveh_question_mark, iconveh_escape_sequence };
  35   size_t h;
  36 
  37   /* Assume that iconv() supports at least the encodings ASCII, ISO-8859-1,
  38      ISO-8859-2, and UTF-8.  */
  39 
  40   /* Test conversion from UTF-16 to ISO-8859-1 with no errors.  */
  41   for (h = 0; h < SIZEOF (handlers); h++)
  42     {
  43       enum iconv_ilseq_handler handler = handlers[h];
  44       static const uint16_t input[] = /* Ärger mit bösen Bübchen ohne Augenmaß */
  45         {
  46           0xC4, 'r', 'g', 'e', 'r', ' ', 'm', 'i', 't', ' ', 'b', 0xF6, 's',
  47           'e', 'n', ' ', 'B', 0xFC, 'b', 'c', 'h', 'e', 'n', ' ', 'o', 'h',
  48           'n', 'e', ' ', 'A', 'u', 'g', 'e', 'n', 'm', 'a', 0xDF, 0
  49         };
  50       static const char expected[] = "\304rger mit b\366sen B\374bchen ohne Augenma\337";
  51       char *result = u16_strconv_to_encoding (input, "ISO-8859-1", handler);
  52       ASSERT (result != NULL);
  53       ASSERT (strcmp (result, expected) == 0);
  54       free (result);
  55     }
  56 
  57   /* Test conversion from UTF-16 to ISO-8859-1 with EILSEQ.  */
  58   for (h = 0; h < SIZEOF (handlers); h++)
  59     {
  60       enum iconv_ilseq_handler handler = handlers[h];
  61       static const uint16_t input[] = /* Rafał Maszkowski */
  62         {
  63           'R', 'a', 'f', 'a', 0x0142, ' ', 'M', 'a', 's', 'z', 'k', 'o', 'w',
  64           's', 'k', 'i', 0
  65         };
  66       char *result = u16_strconv_to_encoding (input, "ISO-8859-1", handler);
  67       switch (handler)
  68         {
  69         case iconveh_error:
  70           ASSERT (result == NULL && errno == EILSEQ);
  71           break;
  72         case iconveh_question_mark:
  73           {
  74             static const char expected[] = "Rafa? Maszkowski";
  75             static const char expected_translit[] = "Rafal Maszkowski";
  76             ASSERT (result != NULL);
  77             ASSERT (strcmp (result, expected) == 0
  78                     || strcmp (result, expected_translit) == 0);
  79             free (result);
  80           }
  81           break;
  82         case iconveh_escape_sequence:
  83           {
  84             static const char expected[] = "Rafa\\u0142 Maszkowski";
  85             ASSERT (result != NULL);
  86             ASSERT (strcmp (result, expected) == 0);
  87             free (result);
  88           }
  89           break;
  90         }
  91     }
  92 
  93 # if 0
  94   /* Test conversion from UTF-16 to ISO-8859-1 with EINVAL.  */
  95   for (h = 0; h < SIZEOF (handlers); h++)
  96     {
  97       enum iconv_ilseq_handler handler = handlers[h];
  98       static const uint16_t input[] = { 0xD845, 0 };
  99       char *result = u16_strconv_to_encoding (input, "ISO-8859-1", handler);
 100       ASSERT (result != NULL);
 101       ASSERT (strcmp (result, "") == 0);
 102       free (result);
 103     }
 104 # endif
 105 
 106 #endif
 107 
 108   return 0;
 109 }

/* */