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[thirdparty/gcc.git] / libstdc++-v3 / testsuite / 25_algorithms / minmax_element / check_type.cc

// Copyright (C) 2007-2021 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/>.

// { dg-do compile { target c++11 } }

#include <algorithm>
#include <testsuite_iterators.h>

using __gnu_test::forward_iterator_wrapper;

struct S { };

bool 
operator<(const S&, const S&) {return true;}

struct X { };

bool 
predicate(const X&, const X&) {return true;}

std::pair<forward_iterator_wrapper<S>, forward_iterator_wrapper<S> >
test1(forward_iterator_wrapper<S>& s)
{ return std::minmax_element(s,s); }

std::pair<forward_iterator_wrapper<X>, forward_iterator_wrapper<X> >
test2(forward_iterator_wrapper<X>& x)
{ return std::minmax_element(x,x,predicate); }