/*
@copyright Louis Dionne 2014
Distributed under the Boost Software License, Version 1.0.
(See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
 */

#include <boost/hana/foldable.hpp>

#include <boost/hana/detail/static_assert.hpp>
#include <boost/hana/integral.hpp>

#include "minimal_foldable.hpp"
using namespace boost::hana;


int main() {
    BOOST_HANA_STATIC_ASSERT(sum(foldable()) == int_<0>);
    BOOST_HANA_STATIC_ASSERT(sum(foldable(int_<1>)) == int_<1>);
    BOOST_HANA_STATIC_ASSERT(sum(foldable(int_<1>, int_<2>)) == int_<1 + 2>);
    BOOST_HANA_STATIC_ASSERT(sum(foldable(int_<1>, int_<2>, int_<3>)) == int_<1 + 2 + 3>);
    BOOST_HANA_STATIC_ASSERT(sum(foldable(int_<1>, int_<2>, int_<3>, int_<4>)) == int_<1 + 2 + 3 + 4>);

    BOOST_HANA_STATIC_ASSERT(sum(foldable(1)) == 1);
    BOOST_HANA_STATIC_ASSERT(sum(foldable(1, 2)) == 1 + 2);
    BOOST_HANA_STATIC_ASSERT(sum(foldable(1, 2, 3)) == 1 + 2 + 3);
    BOOST_HANA_STATIC_ASSERT(sum(foldable(1, 2, 3, 4)) == 1 + 2 + 3 + 4);
}