1 /* Test of wcwidth() function.
2 Copyright (C) 2007-2016 Free Software Foundation, Inc.
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 3 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>. */
17 /* Written by Bruno Haible <bruno@clisp.org>, 2007. */
23 #include "signature.h"
24 SIGNATURE_CHECK (wcwidth, int, (wchar_t));
30 #include "localcharset.h"
39 /* Test width of ASCII characters. */
40 for (wc = 0x20; wc < 0x7F; wc++)
41 ASSERT (wcwidth (wc) == 1);
44 /* Switch to an UTF-8 locale. */
45 if (setlocale (LC_ALL, "fr_FR.UTF-8") != NULL
46 /* Check whether it's really an UTF-8 locale.
47 On OpenBSD 4.0, the setlocale call succeeds only for the LC_CTYPE
48 category and therefore returns "C/fr_FR.UTF-8/C/C/C/C", but the
49 LC_CTYPE category is effectively set to an ASCII LC_CTYPE category;
50 in particular, locale_charset() returns "ASCII". */
51 && strcmp (locale_charset (), "UTF-8") == 0)
53 /* Test width of ASCII characters. */
54 for (wc = 0x20; wc < 0x7F; wc++)
55 ASSERT (wcwidth (wc) == 1);
57 /* Test width of some non-spacing characters. */
58 ASSERT (wcwidth (0x0301) == 0);
59 ASSERT (wcwidth (0x05B0) == 0);
61 /* Test width of some format control characters. */
62 ASSERT (wcwidth (0x200E) <= 0);
63 ASSERT (wcwidth (0x2060) <= 0);
64 #if 0 /* wchar_t may be only 16 bits. */
65 ASSERT (wcwidth (0xE0001) <= 0);
66 ASSERT (wcwidth (0xE0044) <= 0);
69 /* Test width of some zero width characters. */
70 ASSERT (wcwidth (0x200B) == 0);
71 ASSERT (wcwidth (0xFEFF) <= 0);
73 /* Test width of some CJK characters. */
74 ASSERT (wcwidth (0x3000) == 2);
75 ASSERT (wcwidth (0xB250) == 2);
76 ASSERT (wcwidth (0xFF1A) == 2);
77 #if 0 /* wchar_t may be only 16 bits. */
78 ASSERT (wcwidth (0x20369) == 2);
79 ASSERT (wcwidth (0x2F876) == 2);