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- // Copyright Louis Dionne 2013-2017
- // 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/tuple.hpp>
- #include <boost/hana/first.hpp>
- #include <boost/hana/second.hpp>
- #include <laws/base.hpp>
- #include <laws/comparable.hpp>
- #include <laws/foldable.hpp>
- #include <laws/orderable.hpp>
- #include <laws/product.hpp>
- #include <support/minimal_product.hpp>
- #include <support/tracked.hpp>
- #include <utility>
- namespace hana = boost::hana;
- using hana::test::ct_eq;
- using hana::test::ct_ord;
- int main() {
- // Make sure `first` and `second` are "accessors". If they are not,
- // `Tracked` should report a double-move.
- {
- auto prod = ::minimal_product(::Tracked{1}, ::Tracked{2});
- auto fst = hana::first(std::move(prod));
- auto snd = hana::second(std::move(prod));
- }
- //////////////////////////////////////////////////////////////////////////
- // Comparable, Orderable, Foldable, Product
- //////////////////////////////////////////////////////////////////////////
- auto eq_elems = hana::make_tuple(ct_eq<3>{}, ct_eq<4>{});
- auto eqs = hana::make_tuple(
- ::minimal_product(ct_eq<3>{}, ct_eq<3>{})
- , ::minimal_product(ct_eq<3>{}, ct_eq<4>{})
- , ::minimal_product(ct_eq<4>{}, ct_eq<3>{})
- , ::minimal_product(ct_eq<4>{}, ct_eq<4>{})
- );
- auto ords = hana::make_tuple(
- ::minimal_product(ct_ord<3>{}, ct_ord<3>{})
- , ::minimal_product(ct_ord<3>{}, ct_ord<4>{})
- , ::minimal_product(ct_ord<4>{}, ct_ord<3>{})
- , ::minimal_product(ct_ord<4>{}, ct_ord<4>{})
- );
- hana::test::TestComparable<::MinimalProduct>{eqs};
- hana::test::TestOrderable<::MinimalProduct>{ords};
- hana::test::TestFoldable<::MinimalProduct>{eqs};
- hana::test::TestProduct<::MinimalProduct>{eq_elems};
- }
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