1 // Copyright Louis Dionne 2013-2017
2 // Distributed under the Boost Software License, Version 1.0.
3 // (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
4
5 #include <boost/hana/tuple.hpp>
6 #include <boost/hana/first.hpp>
7 #include <boost/hana/second.hpp>
8
9 #include <laws/base.hpp>
10 #include <laws/comparable.hpp>
11 #include <laws/foldable.hpp>
12 #include <laws/orderable.hpp>
13 #include <laws/product.hpp>
14 #include <support/minimal_product.hpp>
15 #include <support/tracked.hpp>
16
17 #include <utility>
18 namespace hana = boost::hana;
19 using hana::test::ct_eq;
20 using hana::test::ct_ord;
21
22
main()23 int main() {
24 // Make sure `first` and `second` are "accessors". If they are not,
25 // `Tracked` should report a double-move.
26 {
27 auto prod = ::minimal_product(::Tracked{1}, ::Tracked{2});
28 auto fst = hana::first(std::move(prod));
29 auto snd = hana::second(std::move(prod));
30 }
31
32 //////////////////////////////////////////////////////////////////////////
33 // Comparable, Orderable, Foldable, Product
34 //////////////////////////////////////////////////////////////////////////
35 auto eq_elems = hana::make_tuple(ct_eq<3>{}, ct_eq<4>{});
36
37 auto eqs = hana::make_tuple(
38 ::minimal_product(ct_eq<3>{}, ct_eq<3>{})
39 , ::minimal_product(ct_eq<3>{}, ct_eq<4>{})
40 , ::minimal_product(ct_eq<4>{}, ct_eq<3>{})
41 , ::minimal_product(ct_eq<4>{}, ct_eq<4>{})
42 );
43
44 auto ords = hana::make_tuple(
45 ::minimal_product(ct_ord<3>{}, ct_ord<3>{})
46 , ::minimal_product(ct_ord<3>{}, ct_ord<4>{})
47 , ::minimal_product(ct_ord<4>{}, ct_ord<3>{})
48 , ::minimal_product(ct_ord<4>{}, ct_ord<4>{})
49 );
50
51 hana::test::TestComparable<::MinimalProduct>{eqs};
52 hana::test::TestOrderable<::MinimalProduct>{ords};
53 hana::test::TestFoldable<::MinimalProduct>{eqs};
54 hana::test::TestProduct<::MinimalProduct>{eq_elems};
55 }
56