1 /* Test of wcwidth() function.
2 Copyright (C) 2007-2008 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. */
28 #include "localcharset.h"
30 #define ASSERT(expr) \
35 fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
46 /* Test width of ASCII characters. */
47 for (wc = 0x20; wc < 0x7F; wc++)
48 ASSERT (wcwidth (wc) == 1);
50 /* Switch to an UTF-8 locale. */
51 if (setlocale (LC_ALL, "fr_FR.UTF-8") != NULL
52 /* Check whether it's really an UTF-8 locale.
53 On OpenBSD 4.0, the setlocale call succeeds only for the LC_CTYPE
54 category and therefore returns "C/fr_FR.UTF-8/C/C/C/C", but the
55 LC_CTYPE category is effectively set to an ASCII LC_CTYPE category;
56 in particular, locale_charset() returns "ASCII". */
57 && strcmp (locale_charset (), "UTF-8") == 0)
59 /* Test width of ASCII characters. */
60 for (wc = 0x20; wc < 0x7F; wc++)
61 ASSERT (wcwidth (wc) == 1);
63 /* Test width of some non-spacing characters. */
64 ASSERT (wcwidth (0x0301) == 0);
65 ASSERT (wcwidth (0x05B0) == 0);
67 /* Test width of some format control characters. */
68 ASSERT (wcwidth (0x200E) <= 0);
69 ASSERT (wcwidth (0x2060) <= 0);
70 #if 0 /* wchar_t may be only 16 bits. */
71 ASSERT (wcwidth (0xE0001) <= 0);
72 ASSERT (wcwidth (0xE0044) <= 0);
75 /* Test width of some zero width characters. */
76 ASSERT (wcwidth (0x200B) == 0);
77 ASSERT (wcwidth (0xFEFF) <= 0);
79 /* Test width of some CJK characters. */
80 ASSERT (wcwidth (0x3000) == 2);
81 ASSERT (wcwidth (0xB250) == 2);
82 ASSERT (wcwidth (0xFF1A) == 2);
83 #if 0 /* wchar_t may be only 16 bits. */
84 ASSERT (wcwidth (0x20369) == 2);
85 ASSERT (wcwidth (0x2F876) == 2);