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/* Test of wcwidth() function.
Copyright (C) 2007-2012 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 <wchar.h>
#include "signature.h"
SIGNATURE_CHECK (wcwidth, int, (wchar_t));
#include <locale.h>
#include <string.h>
#include "localcharset.h"
#include "macros.h"
int
main ()
{
wchar_t wc;
/* Test width of ASCII characters. */
for (wc = 0x20; wc < 0x7F; wc++)
ASSERT (wcwidth (wc) == 1);
/* Switch to an UTF-8 locale. */
if (setlocale (LC_ALL, "fr_FR.UTF-8") != NULL
/* Check whether it's really an UTF-8 locale.
On OpenBSD 4.0, the setlocale call succeeds only for the LC_CTYPE
category and therefore returns "C/fr_FR.UTF-8/C/C/C/C", but the
LC_CTYPE category is effectively set to an ASCII LC_CTYPE category;
in particular, locale_charset() returns "ASCII". */
&& strcmp (locale_charset (), "UTF-8") == 0)
{
/* Test width of ASCII characters. */
for (wc = 0x20; wc < 0x7F; wc++)
ASSERT (wcwidth (wc) == 1);
/* Test width of some non-spacing characters. */
ASSERT (wcwidth (0x0301) == 0);
ASSERT (wcwidth (0x05B0) == 0);
/* Test width of some format control characters. */
ASSERT (wcwidth (0x200E) <= 0);
ASSERT (wcwidth (0x2060) <= 0);
#if 0 /* wchar_t may be only 16 bits. */
ASSERT (wcwidth (0xE0001) <= 0);
ASSERT (wcwidth (0xE0044) <= 0);
#endif
/* Test width of some zero width characters. */
ASSERT (wcwidth (0x200B) == 0);
ASSERT (wcwidth (0xFEFF) <= 0);
/* Test width of some CJK characters. */
ASSERT (wcwidth (0x3000) == 2);
ASSERT (wcwidth (0xB250) == 2);
ASSERT (wcwidth (0xFF1A) == 2);
#if 0 /* wchar_t may be only 16 bits. */
ASSERT (wcwidth (0x20369) == 2);
ASSERT (wcwidth (0x2F876) == 2);
#endif
}
return 0;
}
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