/* Test of conversion of wide string to string.
Copyright (C) 2008 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>, 2008. */
#include <config.h>
#include <wchar.h>
#include <locale.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define ASSERT(expr) \
do \
{ \
if (!(expr)) \
{ \
fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
fflush (stderr); \
abort (); \
} \
} \
while (0)
int
main (int argc, char *argv[])
{
/* configure should already have checked that the locale is supported. */
if (setlocale (LC_ALL, "") == NULL)
return 1;
if (argc > 1)
{
wchar_t input[10];
size_t n;
const wchar_t *src;
#define BUFSIZE 20
char buf[BUFSIZE];
size_t ret;
{
size_t i;
for (i = 0; i < BUFSIZE; i++)
buf[i] = '_';
}
switch (argv[1][0])
{
case '1':
/* Locale encoding is ISO-8859-1 or ISO-8859-15. */
{
const char original[] = "B\374\337er"; /* "Büßer" */
ret = mbstowcs (input, original, 10);
ASSERT (ret == 5);
for (n = 0; n < 10; n++)
{
src = input;
ret = wcsrtombs (NULL, &src, n, NULL);
ASSERT (ret == 5);
ASSERT (src == input);
src = input;
ret = wcsrtombs (buf, &src, n, NULL);
ASSERT (ret == (n <= 5 ? n : 5));
ASSERT (src == (n <= 5 ? input + n : NULL));
ASSERT (memcmp (buf, original, ret) == 0);
if (src == NULL)
ASSERT (buf[ret] == '\0');
ASSERT (buf[ret + (src == NULL) + 0] == '_');
ASSERT (buf[ret + (src == NULL) + 1] == '_');
ASSERT (buf[ret + (src == NULL) + 2] == '_');
}
}
break;
case '2':
/* Locale encoding is UTF-8. */
{
const char original[] = "B\303\274\303\237er"; /* "Büßer" */
ret = mbstowcs (input, original, 10);
ASSERT (ret == 5);
for (n = 0; n < 10; n++)
{
src = input;
ret = wcsrtombs (NULL, &src, n, NULL);
ASSERT (ret == 7);
ASSERT (src == input);
src = input;
ret = wcsrtombs (buf, &src, n, NULL);
ASSERT (ret == (n < 1 ? n :
n < 3 ? 1 :
n < 5 ? 3 :
n <= 7 ? n : 7));
ASSERT (src == (n < 1 ? input + n :
n < 3 ? input + 1 :
n < 5 ? input + 2 :
n <= 7 ? input + (n - 2) : NULL));
ASSERT (memcmp (buf, original, ret) == 0);
if (src == NULL)
ASSERT (buf[ret] == '\0');
ASSERT (buf[ret + (src == NULL) + 0] == '_');
ASSERT (buf[ret + (src == NULL) + 1] == '_');
ASSERT (buf[ret + (src == NULL) + 2] == '_');
}
}
break;
case '3':
/* Locale encoding is EUC-JP. */
{
const char original[] = "<\306\374\313\334\270\354>"; /* "<日本語>" */
ret = mbstowcs (input, original, 10);
ASSERT (ret == 5);
for (n = 0; n < 10; n++)
{
src = input;
ret = wcsrtombs (NULL, &src, n, NULL);
ASSERT (ret == 8);
ASSERT (src == input);
src = input;
ret = wcsrtombs (buf, &src, n, NULL);
ASSERT (ret == (n < 1 ? n :
n < 3 ? 1 :
n < 5 ? 3 :
n < 7 ? 5 :
n <= 8 ? n : 8));
ASSERT (src == (n < 1 ? input + n :
n < 3 ? input + 1 :
n < 5 ? input + 2 :
n < 7 ? input + 3 :
n <= 8 ? input + (n - 3) : NULL));
ASSERT (memcmp (buf, original, ret) == 0);
if (src == NULL)
ASSERT (buf[ret] == '\0');
ASSERT (buf[ret + (src == NULL) + 0] == '_');
ASSERT (buf[ret + (src == NULL) + 1] == '_');
ASSERT (buf[ret + (src == NULL) + 2] == '_');
}
}
break;
case '4':
/* Locale encoding is GB18030. */
{
const char original[] = "B\250\271\201\060\211\070er"; /* "Büßer" */
ret = mbstowcs (input, original, 10);
ASSERT (ret == 5);
for (n = 0; n < 10; n++)
{
src = input;
ret = wcsrtombs (NULL, &src, n, NULL);
ASSERT (ret == 9);
ASSERT (src == input);
src = input;
ret = wcsrtombs (buf, &src, n, NULL);
ASSERT (ret == (n < 1 ? n :
n < 3 ? 1 :
n < 7 ? 3 :
n <= 9 ? n : 9));
ASSERT (src == (n < 1 ? input + n :
n < 3 ? input + 1 :
n < 7 ? input + 2 :
n <= 9 ? input + (n - 4) : NULL));
ASSERT (memcmp (buf, original, ret) == 0);
if (src == NULL)
ASSERT (buf[ret] == '\0');
ASSERT (buf[ret + (src == NULL) + 0] == '_');
ASSERT (buf[ret + (src == NULL) + 1] == '_');
ASSERT (buf[ret + (src == NULL) + 2] == '_');
}
}
break;
default:
return 1;
}
return 0;
}
return 1;
}
