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// { dg-options " -std=gnu++14 " }
// { dg-do compile }
// Copyright (C) 2013-2015 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/>.
// 20.3.3 Comparisons
#include <functional>
struct R { };
struct L
{
L operator+(const R&) const { return *this; }
L operator-(const R&) const { return *this; }
L operator*(const R&) const { return *this; }
L operator/(const R&) const { return *this; }
L operator%(const R&) const { return *this; }
L operator-() const { return *this; }
bool operator==(const R&) const { return true; }
bool operator!=(const R&) const { return false; }
bool operator<(const R&) const { return false; }
bool operator<=(const R&) const { return true; }
bool operator>(const R&) const { return false; }
bool operator>=(const R&) const { return true; }
bool operator&&(const R&) const { return true; }
bool operator||(const R&) const { return true; }
bool operator!() const { return false; }
int operator&(const R&) const { return 1; }
int operator|(const R&) const { return 1; }
int operator^(const R&) const { return 0; }
int operator~() const { return 0; }
};
L l;
R r;
// test unary function objects
template<typename F, typename Check = typename F::is_transparent>
bool
test1(F f)
{
f(l);
return true;
}
// test binary function objects
template<typename F, typename Check = typename F::is_transparent>
bool
test2(F f)
{
f(l, r);
return true;
}
auto plus = test2( std::plus<>() );
auto minus = test2( std::minus<>() );
auto multiplies = test2( std::multiplies<>() );
auto divides = test2( std::divides<>() );
auto modulus = test2( std::modulus<>() );
auto negate = test1( std::negate<>() );
auto equal_to = test2( std::equal_to<>() );
auto not_equal_to = test2( std::not_equal_to<>() );
auto greater = test2( std::greater<>() );
auto less = test2( std::less<>() );
auto greater_equal = test2( std::greater_equal<>() );
auto less_equal = test2( std::less_equal<>() );
auto logical_and = test2( std::logical_and<>() );
auto logical_or = test2( std::logical_or<>() );
auto logical_not = test1( std::logical_not<>() );
auto bit_and = test2( std::bit_and<>() );
auto bit_or = test2( std::bit_or<>() );
auto bit_xor = test2( std::bit_xor<>() );
auto bit_not = test1( std::bit_not<>() );
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