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/assert.hpp>
6 #include <boost/hana/at_key.hpp>
7 #include <boost/hana/map.hpp>
8 #include <boost/hana/pair.hpp>
9
10 #include <laws/base.hpp>
11
12 #include <string>
13 #include <utility>
14 namespace hana = boost::hana;
15 namespace test = hana::test;
16
17
18 struct MoveOnly {
19 int data_;
20 MoveOnly(MoveOnly const&) = delete;
21 MoveOnly& operator=(MoveOnly const&) = delete;
MoveOnlyMoveOnly22 MoveOnly(int data = 1) : data_(data) { }
MoveOnlyMoveOnly23 MoveOnly(MoveOnly&& x) : data_(x.data_) { x.data_ = 0; }
24
operator =MoveOnly25 MoveOnly& operator=(MoveOnly&& x)
26 { data_ = x.data_; x.data_ = 0; return *this; }
27
getMoveOnly28 int get() const {return data_;}
operator ==MoveOnly29 bool operator==(const MoveOnly& x) const { return data_ == x.data_; }
operator <MoveOnly30 bool operator< (const MoveOnly& x) const { return data_ < x.data_; }
31 };
32
main()33 int main() {
34 {
35 using Map = hana::map<>;
36 Map map0;
37 Map map;
38 map0 = std::move(map);
39 }
40 {
41 using Map = hana::map<hana::pair<test::ct_eq<0>, MoveOnly>>;
42 Map map0 = hana::make_map(hana::make_pair(test::ct_eq<0>{}, MoveOnly{999}));
43 Map map = hana::make_map(hana::make_pair(test::ct_eq<0>{}, MoveOnly{4}));
44 map0 = std::move(map);
45 BOOST_HANA_RUNTIME_CHECK(hana::at_key(map0, test::ct_eq<0>{}) == MoveOnly{4});
46 }
47 {
48 using Map = hana::map<hana::pair<test::ct_eq<0>, MoveOnly>,
49 hana::pair<test::ct_eq<1>, MoveOnly>>;
50 Map map0 = hana::make_map(hana::make_pair(test::ct_eq<0>{}, MoveOnly{999}),
51 hana::make_pair(test::ct_eq<1>{}, MoveOnly{888}));
52 Map map = hana::make_map(hana::make_pair(test::ct_eq<0>{}, MoveOnly{4}),
53 hana::make_pair(test::ct_eq<1>{}, MoveOnly{5}));
54 map0 = std::move(map);
55 BOOST_HANA_RUNTIME_CHECK(hana::at_key(map0, test::ct_eq<0>{}) == MoveOnly{4});
56 BOOST_HANA_RUNTIME_CHECK(hana::at_key(map0, test::ct_eq<1>{}) == MoveOnly{5});
57 }
58 {
59 using Map = hana::map<hana::pair<test::ct_eq<0>, MoveOnly>,
60 hana::pair<test::ct_eq<1>, MoveOnly>,
61 hana::pair<test::ct_eq<2>, MoveOnly>>;
62 Map map0 = hana::make_map(hana::make_pair(test::ct_eq<0>{}, MoveOnly{999}),
63 hana::make_pair(test::ct_eq<1>{}, MoveOnly{888}),
64 hana::make_pair(test::ct_eq<2>{}, MoveOnly{777}));
65 Map map = hana::make_map(hana::make_pair(test::ct_eq<0>{}, MoveOnly{4}),
66 hana::make_pair(test::ct_eq<1>{}, MoveOnly{5}),
67 hana::make_pair(test::ct_eq<2>{}, MoveOnly{6}));
68 map0 = std::move(map);
69 BOOST_HANA_RUNTIME_CHECK(hana::at_key(map0, test::ct_eq<0>{}) == MoveOnly{4});
70 BOOST_HANA_RUNTIME_CHECK(hana::at_key(map0, test::ct_eq<1>{}) == MoveOnly{5});
71 BOOST_HANA_RUNTIME_CHECK(hana::at_key(map0, test::ct_eq<2>{}) == MoveOnly{6});
72 }
73 {
74 using Map = hana::map<hana::pair<test::ct_eq<0>, MoveOnly>,
75 hana::pair<test::ct_eq<1>, MoveOnly>,
76 hana::pair<test::ct_eq<2>, MoveOnly>,
77 hana::pair<test::ct_eq<3>, std::string>>;
78 Map map0 = hana::make_map(hana::make_pair(test::ct_eq<0>{}, MoveOnly{999}),
79 hana::make_pair(test::ct_eq<1>{}, MoveOnly{888}),
80 hana::make_pair(test::ct_eq<2>{}, MoveOnly{777}),
81 hana::make_pair(test::ct_eq<3>{}, std::string{"zzzzz"}));
82 Map map = hana::make_map(hana::make_pair(test::ct_eq<0>{}, MoveOnly{4}),
83 hana::make_pair(test::ct_eq<1>{}, MoveOnly{5}),
84 hana::make_pair(test::ct_eq<2>{}, MoveOnly{6}),
85 hana::make_pair(test::ct_eq<3>{}, std::string{"abc"}));
86 map0 = std::move(map);
87 BOOST_HANA_RUNTIME_CHECK(hana::at_key(map0, test::ct_eq<0>{}) == MoveOnly{4});
88 BOOST_HANA_RUNTIME_CHECK(hana::at_key(map0, test::ct_eq<1>{}) == MoveOnly{5});
89 BOOST_HANA_RUNTIME_CHECK(hana::at_key(map0, test::ct_eq<2>{}) == MoveOnly{6});
90 BOOST_HANA_RUNTIME_CHECK(hana::at_key(map0, test::ct_eq<3>{}) == std::string{"abc"});
91 }
92 }
93