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// Copyright 2017 Peter Dimov.
//
// Distributed under the Boost Software License, Version 1.0.
//
// See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt
#include <boost/mp11/algorithm.hpp>
#include <boost/mp11/list.hpp>
#include <boost/mp11/integral.hpp>
#include <boost/core/lightweight_test_trait.hpp>
#include <type_traits>
#include <tuple>
using boost::mp11::mp_bool;
struct Q_sizeof_less
{
template<class T, class U> using fn = mp_bool<(sizeof(T) < sizeof(U))>;
};
int main()
{
using boost::mp11::mp_list;
using boost::mp11::mp_max_element_q;
{
using L1 = mp_list<void>;
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_max_element_q<L1, Q_sizeof_less>, void>));
using L2 = mp_list<char[2], char[4], char[3], char[1]>;
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_max_element_q<L2, Q_sizeof_less>, char[4]>));
using L3 = mp_list<char[2], char[4], char[2], char[3], char[1], char[2], char[1]>;
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_max_element_q<L3, Q_sizeof_less>, char[4]>));
}
{
using L1 = std::tuple<void>;
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_max_element_q<L1, Q_sizeof_less>, void>));
using L2 = std::tuple<char[2], char[4], char[3], char[1]>;
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_max_element_q<L2, Q_sizeof_less>, char[4]>));
using L3 = std::tuple<char[2], char[4], char[2], char[3], char[1], char[2], char[1]>;
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_max_element_q<L3, Q_sizeof_less>, char[4]>));
}
return boost::report_errors();
}
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