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- // 2000-09-11 Benjamin Kosnik <bkoz@redhat.com>
- // Copyright (C) 2000-2022 Free Software Foundation, Inc.
- //
- // This file is part of the GNU ISO C++ Library. This library 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, or (at your option)
- // any later version.
- // This library 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 library; see the file COPYING3. If not see
- // <http://www.gnu.org/licenses/>.
- // 22.1.1.4 locale operators [lib.locale.operators]
- #include <cwchar> // for mbstate_t
- #include <locale>
- #include <testsuite_hooks.h>
- // bool operator()(const string_type&, const string_type&) const
- long gnu_count;
- class gnu_collate: public std::collate<char>
- {
- protected:
- virtual int
- do_compare(const char*, const char*, const char*, const char*) const
- { ++gnu_count; return 0; }
- };
- void test02()
- {
- using namespace std;
-
- // Sanity check.
- locale loc_c = locale::classic();
- string s01("land of ");
- string s02("land of look behind");
- VERIFY( !loc_c(s01, s01) );
- VERIFY( loc_c(s01, s02) );
-
- // Derivation, MF check.
- locale loc_gnu(loc_c, new gnu_collate);
- gnu_count = 0;
- loc_gnu(s01, s02);
- VERIFY( gnu_count == 1 );
- }
- int main ()
- {
- test02();
- return 0;
- }
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