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// 2000-09-11 Benjamin Kosnik <bkoz@redhat.com>
// Copyright (C) 2000-2016 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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