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author | Bruno Haible <bruno@clisp.org> | 2007-07-07 21:39:09 +0000 |
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committer | Bruno Haible <bruno@clisp.org> | 2007-07-07 21:39:09 +0000 |
commit | 7d084f9eeb5b975b556170a7c7da8db9ecc9282c (patch) | |
tree | e52cd14251327a298c1596dcea73e552b1fe75c9 /tests | |
parent | 7599e817ca9e12244449ca2fad855b96f6c8b817 (diff) | |
download | gnulib-7d084f9eeb5b975b556170a7c7da8db9ecc9282c.tar.gz |
Tests for module 'wcwidth'.
Diffstat (limited to 'tests')
-rw-r--r-- | tests/test-wcwidth.c | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/tests/test-wcwidth.c b/tests/test-wcwidth.c new file mode 100644 index 0000000000..4412ecc2d8 --- /dev/null +++ b/tests/test-wcwidth.c @@ -0,0 +1,82 @@ +/* Test of wcwidth() function. + Copyright (C) 2007 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 2, 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, write to the Free Software Foundation, + Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ + +/* Written by Bruno Haible <bruno@clisp.org>, 2007. */ + +#include <config.h> + +#include <wchar.h> + +#include <locale.h> +#include <stdio.h> +#include <stdlib.h> + +#define ASSERT(expr) \ + do \ + { \ + if (!(expr)) \ + { \ + fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \ + abort (); \ + } \ + } \ + while (0) + +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) + { + /* 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; +} |