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/* Test of conversion from UTF-8 to legacy encodings.
Copyright (C) 2007-2016 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 <http://www.gnu.org/licenses/>. */
/* Written by Bruno Haible <bruno@clisp.org>, 2007. */
#include <config.h>
#include "uniconv.h"
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include "unistr.h"
#include "macros.h"
/* 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 ()
{
static enum iconv_ilseq_handler handlers[] =
{ iconveh_error, iconveh_question_mark, iconveh_escape_sequence };
size_t h;
size_t o;
size_t i;
#if HAVE_ICONV
/* Assume that iconv() supports at least the encodings ASCII, ISO-8859-1,
ISO-8859-2, and UTF-8. */
/* Test conversion from UTF-8 to ISO-8859-1 with no errors. */
for (h = 0; h < SIZEOF (handlers); h++)
{
enum iconv_ilseq_handler handler = handlers[h];
static const uint8_t input[] = "\303\204rger mit b\303\266sen B\303\274bchen ohne Augenma\303\237";
static const char expected[] = "\304rger mit b\366sen B\374bchen ohne Augenma\337";
for (o = 0; o < 2; o++)
{
size_t *offsets = (o ? new_offsets (u8_strlen (input)) : NULL);
size_t length;
char *result = u8_conv_to_encoding ("ISO-8859-1", handler,
input, u8_strlen (input),
offsets,
NULL, &length);
ASSERT (result != NULL);
ASSERT (length == strlen (expected));
ASSERT (memcmp (result, expected, length) == 0);
if (o)
{
for (i = 0; i < 41; i++)
ASSERT (offsets[i] == (i < 1 ? i :
i == 1 ? (size_t)(-1) :
i < 13 ? i - 1 :
i == 13 ? (size_t)(-1) :
i < 20 ? i - 2 :
i == 20 ? (size_t)(-1) :
i < 40 ? i - 3 :
i == 40 ? (size_t)(-1) :
i - 4));
ASSERT (offsets[41] == MAGIC);
free (offsets);
}
free (result);
}
}
/* Test conversion from UTF-8 to ISO-8859-1 with EILSEQ. */
for (h = 0; h < SIZEOF (handlers); h++)
{
enum iconv_ilseq_handler handler = handlers[h];
static const uint8_t input[] = "Rafa\305\202 Maszkowski"; /* Rafał Maszkowski */
for (o = 0; o < 2; o++)
{
size_t *offsets = (o ? new_offsets (u8_strlen (input)) : NULL);
size_t length = 0xdead;
char *result = u8_conv_to_encoding ("ISO-8859-1", handler,
input, u8_strlen (input),
offsets,
NULL, &length);
switch (handler)
{
case iconveh_error:
ASSERT (result == NULL);
ASSERT (errno == EILSEQ);
ASSERT (length == 0xdead);
break;
case iconveh_question_mark:
{
static const char expected[] = "Rafa? Maszkowski";
static const char expected_translit[] = "Rafal Maszkowski";
ASSERT (result != NULL);
ASSERT (length == strlen (expected));
ASSERT (memcmp (result, expected, length) == 0
|| memcmp (result, expected_translit, length) == 0);
if (o)
{
for (i = 0; i < 17; i++)
ASSERT (offsets[i] == (i < 5 ? i :
i == 5 ? (size_t)(-1) :
i - 1));
ASSERT (offsets[17] == MAGIC);
free (offsets);
}
free (result);
}
break;
case iconveh_escape_sequence:
{
static const char expected[] = "Rafa\\u0142 Maszkowski";
ASSERT (result != NULL);
ASSERT (length == strlen (expected));
ASSERT (memcmp (result, expected, length) == 0);
if (o)
{
for (i = 0; i < 17; i++)
ASSERT (offsets[i] == (i < 5 ? i :
i == 5 ? (size_t)(-1) :
i + 4));
ASSERT (offsets[17] == MAGIC);
free (offsets);
}
free (result);
}
break;
}
}
}
/* Test conversion from UTF-8 to ISO-8859-1 with EINVAL. */
for (h = 0; h < SIZEOF (handlers); h++)
{
enum iconv_ilseq_handler handler = handlers[h];
static const uint8_t input[] = "\342";
for (o = 0; o < 2; o++)
{
size_t *offsets = (o ? new_offsets (u8_strlen (input)) : NULL);
size_t length;
char *result = u8_conv_to_encoding ("ISO-8859-1", handler,
input, u8_strlen (input),
offsets,
NULL, &length);
ASSERT (result != NULL);
ASSERT (length == strlen (""));
if (o)
{
ASSERT (offsets[0] == 0);
ASSERT (offsets[1] == MAGIC);
free (offsets);
}
free (result);
}
}
#endif
return 0;
}
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