| 1 | // Copyright Louis Dionne 2013-2022 |
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| 2 | // Distributed under the Boost Software License, Version 1.0. |
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| 3 | // (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt) |
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| 4 | |
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| 5 | #include <boost/hana/tuple.hpp> |
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| 6 | #include <boost/hana/first.hpp> |
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| 7 | #include <boost/hana/second.hpp> |
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| 8 | |
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| 9 | #include <laws/base.hpp> |
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| 10 | #include <laws/comparable.hpp> |
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| 11 | #include <laws/foldable.hpp> |
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| 12 | #include <laws/orderable.hpp> |
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| 13 | #include <laws/product.hpp> |
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| 14 | #include <support/minimal_product.hpp> |
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| 15 | #include <support/tracked.hpp> |
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| 16 | |
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| 17 | #include <utility> |
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| 18 | namespace hana = boost::hana; |
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| 19 | using hana::test::ct_eq; |
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| 20 | using hana::test::ct_ord; |
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| 21 | |
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| 22 | |
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| 23 | int main() { |
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| 24 | // Make sure `first` and `second` are "accessors". If they are not, |
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| 25 | // `Tracked` should report a double-move. |
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| 26 | { |
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| 27 | auto prod = ::minimal_product(::Tracked{1}, ::Tracked{2}); |
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| 28 | auto fst = hana::first(std::move(prod)); |
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| 29 | auto snd = hana::second(std::move(prod)); |
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| 30 | } |
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| 31 | |
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| 32 | ////////////////////////////////////////////////////////////////////////// |
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| 33 | // Comparable, Orderable, Foldable, Product |
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| 34 | ////////////////////////////////////////////////////////////////////////// |
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| 35 | auto eq_elems = hana::make_tuple(ct_eq<3>{}, ct_eq<4>{}); |
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| 36 | |
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| 37 | auto eqs = hana::make_tuple( |
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| 38 | ::minimal_product(ct_eq<3>{}, ct_eq<3>{}) |
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| 39 | , ::minimal_product(ct_eq<3>{}, ct_eq<4>{}) |
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| 40 | , ::minimal_product(ct_eq<4>{}, ct_eq<3>{}) |
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| 41 | , ::minimal_product(ct_eq<4>{}, ct_eq<4>{}) |
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| 42 | ); |
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| 43 | |
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| 44 | auto ords = hana::make_tuple( |
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| 45 | ::minimal_product(ct_ord<3>{}, ct_ord<3>{}) |
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| 46 | , ::minimal_product(ct_ord<3>{}, ct_ord<4>{}) |
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| 47 | , ::minimal_product(ct_ord<4>{}, ct_ord<3>{}) |
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| 48 | , ::minimal_product(ct_ord<4>{}, ct_ord<4>{}) |
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| 49 | ); |
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| 50 | |
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| 51 | hana::test::TestComparable<::MinimalProduct>{eqs}; |
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| 52 | hana::test::TestOrderable<::MinimalProduct>{ords}; |
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| 53 | hana::test::TestFoldable<::MinimalProduct>{eqs}; |
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| 54 | hana::test::TestProduct<::MinimalProduct>{eq_elems}; |
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| 55 | } |
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| 56 | |
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