LCOV - code coverage report
Current view: top level - lib/gltests - test-iconv.c (source / functions) Hit Total Coverage
Test: GNU Libidn Lines: 49 51 96.1 %
Date: 2015-03-02 11:46:03 Functions: 1 1 100.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /* Test of character set conversion.
       2             :    Copyright (C) 2007-2015 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 <http://www.gnu.org/licenses/>.  */
      16             : 
      17             : /* Written by Bruno Haible <bruno@clisp.org>, 2007.  */
      18             : 
      19             : #include <config.h>
      20             : 
      21             : #if HAVE_ICONV
      22             : # include <iconv.h>
      23             : 
      24             : # ifndef ICONV_CONST
      25             : #  define ICONV_CONST /* empty */
      26             : # endif
      27             : 
      28             : #include "signature.h"
      29             : SIGNATURE_CHECK (iconv, size_t, (iconv_t, ICONV_CONST char **, size_t *,
      30             :                                  char **, size_t *));
      31             : SIGNATURE_CHECK (iconv_close, int, (iconv_t x));
      32             : SIGNATURE_CHECK (iconv_open, iconv_t, (char const *, char const *));
      33             : 
      34             : #endif
      35             : 
      36             : #include <errno.h>
      37             : #include <string.h>
      38             : 
      39             : #include "macros.h"
      40             : 
      41             : int
      42           1 : main ()
      43             : {
      44             : #if HAVE_ICONV
      45             :   /* Assume that iconv() supports at least the encodings ASCII, ISO-8859-1,
      46             :      and UTF-8.  */
      47           1 :   iconv_t cd_88591_to_utf8 = iconv_open ("UTF-8", "ISO-8859-1");
      48           1 :   iconv_t cd_utf8_to_88591 = iconv_open ("ISO-8859-1", "UTF-8");
      49             : 
      50           1 :   ASSERT (cd_88591_to_utf8 != (iconv_t)(-1));
      51           1 :   ASSERT (cd_utf8_to_88591 != (iconv_t)(-1));
      52             : 
      53             :   /* Test conversion from ISO-8859-1 to UTF-8 with no errors.  */
      54             :   {
      55             :     static const char input[] = "\304rger mit b\366sen B\374bchen ohne Augenma\337";
      56             :     static const char expected[] = "\303\204rger mit b\303\266sen B\303\274bchen ohne Augenma\303\237";
      57             :     char buf[50];
      58           1 :     const char *inptr = input;
      59           1 :     size_t inbytesleft = strlen (input);
      60           1 :     char *outptr = buf;
      61           1 :     size_t outbytesleft = sizeof (buf);
      62           1 :     size_t res = iconv (cd_88591_to_utf8,
      63             :                         (ICONV_CONST char **) &inptr, &inbytesleft,
      64             :                         &outptr, &outbytesleft);
      65           1 :     ASSERT (res == 0 && inbytesleft == 0);
      66           1 :     ASSERT (outptr == buf + strlen (expected));
      67           1 :     ASSERT (memcmp (buf, expected, strlen (expected)) == 0);
      68             :   }
      69             : 
      70             :   /* Test conversion from ISO-8859-1 to UTF-8 with E2BIG.  */
      71             :   {
      72             :     static const char input[] = "\304";
      73             :     static char buf[2] = { (char)0xDE, (char)0xAD };
      74           1 :     const char *inptr = input;
      75           1 :     size_t inbytesleft = 1;
      76           1 :     char *outptr = buf;
      77           1 :     size_t outbytesleft = 1;
      78           1 :     size_t res = iconv (cd_88591_to_utf8,
      79             :                         (ICONV_CONST char **) &inptr, &inbytesleft,
      80             :                         &outptr, &outbytesleft);
      81           1 :     ASSERT (res == (size_t)(-1) && errno == E2BIG);
      82           1 :     ASSERT (inbytesleft == 1);
      83           1 :     ASSERT (outbytesleft == 1);
      84           1 :     ASSERT ((unsigned char) buf[1] == 0xAD);
      85           1 :     ASSERT ((unsigned char) buf[0] == 0xDE);
      86             :   }
      87             : 
      88             :   /* Test conversion from UTF-8 to ISO-8859-1 with no errors.  */
      89             :   {
      90             :     static const char input[] = "\303\204rger mit b\303\266sen B\303\274bchen ohne Augenma\303\237";
      91             :     static const char expected[] = "\304rger mit b\366sen B\374bchen ohne Augenma\337";
      92             :     char buf[50];
      93           1 :     const char *inptr = input;
      94           1 :     size_t inbytesleft = strlen (input);
      95           1 :     char *outptr = buf;
      96           1 :     size_t outbytesleft = sizeof (buf);
      97           1 :     size_t res = iconv (cd_utf8_to_88591,
      98             :                         (ICONV_CONST char **) &inptr, &inbytesleft,
      99             :                         &outptr, &outbytesleft);
     100           1 :     ASSERT (res == 0 && inbytesleft == 0);
     101           1 :     ASSERT (outptr == buf + strlen (expected));
     102           1 :     ASSERT (memcmp (buf, expected, strlen (expected)) == 0);
     103             :   }
     104             : 
     105             :   /* Test conversion from UTF-8 to ISO-8859-1 with EILSEQ.  */
     106             :   {
     107             :     static const char input[] = "\342\202\254"; /* EURO SIGN */
     108             :     char buf[10];
     109           1 :     const char *inptr = input;
     110           1 :     size_t inbytesleft = strlen (input);
     111           1 :     char *outptr = buf;
     112           1 :     size_t outbytesleft = sizeof (buf);
     113           1 :     size_t res = iconv (cd_utf8_to_88591,
     114             :                         (ICONV_CONST char **) &inptr, &inbytesleft,
     115             :                         &outptr, &outbytesleft);
     116           1 :     if (res == (size_t)(-1))
     117             :       {
     118           1 :         ASSERT (errno == EILSEQ);
     119           1 :         ASSERT (inbytesleft == strlen (input) && outptr == buf);
     120             :       }
     121             :     else
     122             :       {
     123           0 :         ASSERT (res == 1);
     124           0 :         ASSERT (inbytesleft == 0);
     125             :       }
     126             :   }
     127             : 
     128             :   /* Test conversion from UTF-8 to ISO-8859-1 with EINVAL.  */
     129             :   {
     130             :     static const char input[] = "\342";
     131             :     char buf[10];
     132           1 :     const char *inptr = input;
     133           1 :     size_t inbytesleft = 1;
     134           1 :     char *outptr = buf;
     135           1 :     size_t outbytesleft = sizeof (buf);
     136           1 :     size_t res = iconv (cd_utf8_to_88591,
     137             :                         (ICONV_CONST char **) &inptr, &inbytesleft,
     138             :                         &outptr, &outbytesleft);
     139           1 :     ASSERT (res == (size_t)(-1) && errno == EINVAL);
     140           1 :     ASSERT (inbytesleft == 1 && outptr == buf);
     141             :   }
     142             : 
     143           1 :   iconv_close (cd_88591_to_utf8);
     144           1 :   iconv_close (cd_utf8_to_88591);
     145             : #endif
     146             : 
     147           1 :   return 0;
     148             : }

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