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// Copyright 2017 Peter Dimov.
// Distributed under the Boost Software License, Version 1.0.
// https://www.boost.org/LICENSE_1_0.txt
#include <boost/container_hash/is_tuple_like.hpp>
#include <boost/core/lightweight_test_trait.hpp>
#include <utility>
#include <array>
#include <tuple>
struct X
{
};
int main()
{
using boost::container_hash::is_tuple_like;
BOOST_TEST_TRAIT_FALSE((is_tuple_like<void>));
BOOST_TEST_TRAIT_FALSE((is_tuple_like<void const>));
BOOST_TEST_TRAIT_FALSE((is_tuple_like<int>));
BOOST_TEST_TRAIT_FALSE((is_tuple_like<int const>));
BOOST_TEST_TRAIT_FALSE((is_tuple_like<X>));
BOOST_TEST_TRAIT_FALSE((is_tuple_like<X const>));
BOOST_TEST_TRAIT_FALSE((is_tuple_like<int[2]>));
BOOST_TEST_TRAIT_FALSE((is_tuple_like<int const[2]>));
BOOST_TEST_TRAIT_TRUE((is_tuple_like< std::pair<int, X> >));
BOOST_TEST_TRAIT_TRUE((is_tuple_like< std::pair<int, X> const >));
BOOST_TEST_TRAIT_TRUE((is_tuple_like< std::array<X, 0> >));
BOOST_TEST_TRAIT_TRUE((is_tuple_like< std::array<X, 0> const >));
BOOST_TEST_TRAIT_TRUE((is_tuple_like< std::array<X, 1> >));
BOOST_TEST_TRAIT_TRUE((is_tuple_like< std::array<X, 1> const >));
BOOST_TEST_TRAIT_TRUE((is_tuple_like< std::array<X, 2> >));
BOOST_TEST_TRAIT_TRUE((is_tuple_like< std::array<X, 2> const >));
BOOST_TEST_TRAIT_TRUE((is_tuple_like< std::array<X, 3> >));
BOOST_TEST_TRAIT_TRUE((is_tuple_like< std::array<X, 3> const >));
BOOST_TEST_TRAIT_TRUE((is_tuple_like< std::tuple<> >));
BOOST_TEST_TRAIT_TRUE((is_tuple_like< std::tuple<> const >));
BOOST_TEST_TRAIT_TRUE((is_tuple_like< std::tuple<X> >));
BOOST_TEST_TRAIT_TRUE((is_tuple_like< std::tuple<X> const >));
BOOST_TEST_TRAIT_TRUE((is_tuple_like< std::tuple<X, X> >));
BOOST_TEST_TRAIT_TRUE((is_tuple_like< std::tuple<X, X> const >));
BOOST_TEST_TRAIT_TRUE((is_tuple_like< std::tuple<X, X, X> >));
BOOST_TEST_TRAIT_TRUE((is_tuple_like< std::tuple<X, X, X> const >));
return boost::report_errors();
}
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