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/* Test of conversion to UTF-16 from legacy encodings.
Copyright (C) 2007-2024 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 <bruno@clisp.org>, 2007. */
#include <config.h>
#include "uniconv.h"
#include <stdlib.h>
#include <string.h>
#include "unistr.h"
#include "macros.h"
extern int iconv_supports_encoding (const char *encoding);
/* Magic number for detecting bounds violations. */
#define MAGIC 0x1983EFF1
static size_t *
new_offsets (size_t n)
{
size_t *offsets = (size_t *) malloc ((n + 1) * sizeof (size_t));
offsets[n] = MAGIC;
return offsets;
}
int
main ()
{
#if HAVE_ICONV
static enum iconv_ilseq_handler handlers[] =
{ iconveh_error, iconveh_question_mark, iconveh_escape_sequence };
size_t h;
size_t o;
size_t i;
/* Assume that iconv() supports at least the encodings ASCII, ISO-8859-1,
ISO-8859-2, and UTF-8. */
/* Test conversion from ISO-8859-1 to UTF-16 with no errors. */
for (h = 0; h < SIZEOF (handlers); h++)
{
enum iconv_ilseq_handler handler = handlers[h];
static const char input[] = "\304rger mit b\366sen B\374bchen ohne Augenma\337";
static const uint16_t expected[] = /* Ärger mit bösen Bübchen ohne Augenmaß */
{
0xC4, 'r', 'g', 'e', 'r', ' ', 'm', 'i', 't', ' ', 'b', 0xF6, 's',
'e', 'n', ' ', 'B', 0xFC, 'b', 'c', 'h', 'e', 'n', ' ', 'o', 'h',
'n', 'e', ' ', 'A', 'u', 'g', 'e', 'n', 'm', 'a', 0xDF
};
for (o = 0; o < 2; o++)
{
size_t *offsets = (o ? new_offsets (strlen (input)) : NULL);
size_t length;
uint16_t *result = u16_conv_from_encoding ("ISO-8859-1", handler,
input, strlen (input),
offsets,
NULL, &length);
ASSERT (result != NULL);
ASSERT (length == SIZEOF (expected));
ASSERT (u16_cmp (result, expected, SIZEOF (expected)) == 0);
if (o)
{
for (i = 0; i < 37; i++)
ASSERT (offsets[i] == i);
ASSERT (offsets[37] == MAGIC);
free (offsets);
}
free (result);
}
}
/* Test conversion from ISO-8859-2 to UTF-16 with no errors. */
for (h = 0; h < SIZEOF (handlers); h++)
{
enum iconv_ilseq_handler handler = handlers[h];
static const char input[] = "Rafa\263 Maszkowski"; /* Rafał Maszkowski */
static const uint16_t expected[] =
{
'R', 'a', 'f', 'a', 0x0142, ' ', 'M', 'a', 's', 'z', 'k', 'o', 'w',
's', 'k', 'i'
};
for (o = 0; o < 2; o++)
{
size_t *offsets = (o ? new_offsets (strlen (input)) : NULL);
size_t length;
uint16_t *result = u16_conv_from_encoding ("ISO-8859-2", handler,
input, strlen (input),
offsets,
NULL, &length);
ASSERT (result != NULL);
ASSERT (length == SIZEOF (expected));
ASSERT (u16_cmp (result, expected, SIZEOF (expected)) == 0);
if (o)
{
for (i = 0; i < 16; i++)
ASSERT (offsets[i] == i);
ASSERT (offsets[16] == MAGIC);
free (offsets);
}
free (result);
}
}
/* autodetect_jp is only supported when iconv() support ISO-2022-JP-2. */
# if (defined _LIBICONV_VERSION && !(_LIBICONV_VERSION == 0x10b && defined __APPLE__)) \
|| !(defined _AIX || defined __sgi || defined __hpux || defined __osf__ || defined __sun)
if (iconv_supports_encoding ("ISO-2022-JP-2"))
{
/* Test conversions from autodetect_jp to UTF-16. */
for (h = 0; h < SIZEOF (handlers); h++)
{
enum iconv_ilseq_handler handler = handlers[h];
static const char input[] = "\244\263\244\363\244\313\244\301\244\317"; /* こんにちは in EUC-JP */
static const uint16_t expected[] = /* こんにちは */
{
0x3053, 0x3093, 0x306B, 0x3061, 0x306F
};
for (o = 0; o < 2; o++)
{
size_t *offsets = (o ? new_offsets (strlen (input)) : NULL);
size_t length;
uint16_t *result = u16_conv_from_encoding ("autodetect_jp", handler,
input, strlen (input),
offsets,
NULL, &length);
ASSERT (result != NULL);
ASSERT (length == SIZEOF (expected));
ASSERT (u16_cmp (result, expected, SIZEOF (expected)) == 0);
if (o)
{
for (i = 0; i < 10; i++)
ASSERT (offsets[i] == ((i % 2) == 0 ? i / 2 : (size_t)(-1)));
ASSERT (offsets[10] == MAGIC);
free (offsets);
}
free (result);
}
}
for (h = 0; h < SIZEOF (handlers); h++)
{
enum iconv_ilseq_handler handler = handlers[h];
static const char input[] = "\202\261\202\361\202\311\202\277\202\315"; /* こんにちは in Shift_JIS */
static const uint16_t expected[] = /* こんにちは */
{
0x3053, 0x3093, 0x306B, 0x3061, 0x306F
};
for (o = 0; o < 2; o++)
{
size_t *offsets = (o ? new_offsets (strlen (input)) : NULL);
size_t length;
uint16_t *result = u16_conv_from_encoding ("autodetect_jp", handler,
input, strlen (input),
offsets,
NULL, &length);
ASSERT (result != NULL);
ASSERT (length == SIZEOF (expected));
ASSERT (u16_cmp (result, expected, SIZEOF (expected)) == 0);
if (o)
{
for (i = 0; i < 10; i++)
ASSERT (offsets[i] == ((i % 2) == 0 ? i / 2 : (size_t)(-1)));
ASSERT (offsets[10] == MAGIC);
free (offsets);
}
free (result);
}
}
for (h = 0; h < SIZEOF (handlers); h++)
{
enum iconv_ilseq_handler handler = handlers[h];
static const char input[] = "\033$B$3$s$K$A$O\033(B"; /* こんにちは in ISO-2022-JP-2 */
static const uint16_t expected[] = /* こんにちは */
{
0x3053, 0x3093, 0x306B, 0x3061, 0x306F
};
for (o = 0; o < 2; o++)
{
size_t *offsets = (o ? new_offsets (strlen (input)) : NULL);
size_t length;
uint16_t *result = u16_conv_from_encoding ("autodetect_jp", handler,
input, strlen (input),
offsets,
NULL, &length);
ASSERT (result != NULL);
ASSERT (length == SIZEOF (expected));
ASSERT (u16_cmp (result, expected, SIZEOF (expected)) == 0);
if (o)
{
for (i = 0; i < 16; i++)
ASSERT (offsets[i] == (i == 0 ? 0 :
i == 5 ? 1 :
i == 7 ? 2 :
i == 9 ? 3 :
i == 11 ? 4 :
i == 13 ? 5 :
(size_t)(-1)));
ASSERT (offsets[16] == MAGIC);
free (offsets);
}
free (result);
}
}
}
# endif
#endif
return 0;
}
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