hana/test/comparable/laws.cpp

/*
@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/comparable.hpp>

#include <boost/hana/detail/constexpr.hpp>
#include <boost/hana/detail/minimal/comparable.hpp>
#include <boost/hana/detail/static_assert.hpp>
#include <boost/hana/list.hpp>
using namespace boost::hana;


template <typename mcd>
void test() {
    constexpr auto comparable = detail::minimal::comparable<mcd>;

    BOOST_HANA_CONSTEXPR_LAMBDA auto xs = list(comparable(0), comparable(1), comparable(2));
    for_each(xs, [=](auto a) {
        for_each(xs, [=](auto b) {
            for_each(xs, [=](auto c) {
                BOOST_HANA_STATIC_ASSERT(Comparable::laws::check(a, b, c));
            });
        });
    });
}

int main() {
    test<Comparable::equal_mcd>();
    test<Comparable::not_equal_mcd>();
}