1 /* Test of searching a string for a character outside a given set of characters.
2 Copyright (C) 2007 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 2, or (at your option)
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, write to the Free Software Foundation,
16 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
18 /* Written by Bruno Haible <bruno@clisp.org>, 2007. */
29 #define ASSERT(expr) if (!(expr)) abort ();
34 /* configure should already have checked that the locale is supported. */
35 if (setlocale (LC_ALL, "") == NULL)
38 ASSERT (mbsspn ("Some text", "") == 0);
40 ASSERT (mbsspn ("A long sentence", " ") == 0);
41 ASSERT (mbsspn (" xy", "aei ou") == 2);
42 ASSERT (mbsspn ("eau", "aeiou") == 3);
44 /* The following tests shows how mbsspn() is different from strspn(). */
47 const char input[] = "\303\266\303\274"; /* "öü" */
48 ASSERT (mbsspn (input, "\303\266") == 2); /* "ö" */
49 ASSERT (mbsspn (input, "\303\244") == 0); /* "ä" */
50 ASSERT (mbsspn (input, "\303\274\303\266") == 4); /* "üö" */
51 ASSERT (mbsspn (input, "\303\244\303\274") == 0); /* "äü" */
52 ASSERT (mbsspn (input, "\303\244\303\266") == 2); /* "äö" */
56 const char input[] = "\303\266\303\274"; /* "öü" */
57 ASSERT (mbsspn (input, "\303") == 0); /* invalid multibyte sequence */