Mercurial > gnulib
view tests/test-wcwidth.c @ 40163:b89f4c441767
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* lib/unicase/u16-ct-casefold.c: Likewise.
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author | Bruno Haible <bruno@clisp.org> |
---|---|
date | Mon, 28 Jan 2019 01:20:11 +0100 |
parents | b06060465f09 |
children |
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/* Test of wcwidth() function. Copyright (C) 2007-2019 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 <wchar.h> #include "signature.h" SIGNATURE_CHECK (wcwidth, int, (wchar_t)); #include <locale.h> #include <string.h> #include "c-ctype.h" #include "localcharset.h" #include "macros.h" int main () { wchar_t wc; #if !GNULIB_WCHAR_SINGLE # ifdef C_CTYPE_ASCII /* Test width of ASCII characters. */ for (wc = 0x20; wc < 0x7F; wc++) ASSERT (wcwidth (wc) == 1); # endif #endif /* 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; }