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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/assert.hpp>
- #include <boost/hana/at_key.hpp>
- #include <boost/hana/map.hpp>
- #include <boost/hana/pair.hpp>
- #include <laws/base.hpp>
- #include <string>
- #include <utility>
- namespace hana = boost::hana;
- namespace test = hana::test;
- struct MoveOnly {
- int data_;
- MoveOnly(MoveOnly const&) = delete;
- MoveOnly& operator=(MoveOnly const&) = delete;
- MoveOnly(int data = 1) : data_(data) { }
- MoveOnly(MoveOnly&& x) : data_(x.data_) { x.data_ = 0; }
- MoveOnly& operator=(MoveOnly&& x)
- { data_ = x.data_; x.data_ = 0; return *this; }
- int get() const {return data_;}
- bool operator==(const MoveOnly& x) const { return data_ == x.data_; }
- bool operator< (const MoveOnly& x) const { return data_ < x.data_; }
- };
- int main() {
- {
- using Map = hana::map<>;
- Map map0;
- Map map;
- map0 = std::move(map);
- }
- {
- using Map = hana::map<hana::pair<test::ct_eq<0>, MoveOnly>>;
- Map map0 = hana::make_map(hana::make_pair(test::ct_eq<0>{}, MoveOnly{999}));
- Map map = hana::make_map(hana::make_pair(test::ct_eq<0>{}, MoveOnly{4}));
- map0 = std::move(map);
- BOOST_HANA_RUNTIME_CHECK(hana::at_key(map0, test::ct_eq<0>{}) == MoveOnly{4});
- }
- {
- using Map = hana::map<hana::pair<test::ct_eq<0>, MoveOnly>,
- hana::pair<test::ct_eq<1>, MoveOnly>>;
- Map map0 = hana::make_map(hana::make_pair(test::ct_eq<0>{}, MoveOnly{999}),
- hana::make_pair(test::ct_eq<1>{}, MoveOnly{888}));
- Map map = hana::make_map(hana::make_pair(test::ct_eq<0>{}, MoveOnly{4}),
- hana::make_pair(test::ct_eq<1>{}, MoveOnly{5}));
- map0 = std::move(map);
- BOOST_HANA_RUNTIME_CHECK(hana::at_key(map0, test::ct_eq<0>{}) == MoveOnly{4});
- BOOST_HANA_RUNTIME_CHECK(hana::at_key(map0, test::ct_eq<1>{}) == MoveOnly{5});
- }
- {
- using Map = hana::map<hana::pair<test::ct_eq<0>, MoveOnly>,
- hana::pair<test::ct_eq<1>, MoveOnly>,
- hana::pair<test::ct_eq<2>, MoveOnly>>;
- Map map0 = hana::make_map(hana::make_pair(test::ct_eq<0>{}, MoveOnly{999}),
- hana::make_pair(test::ct_eq<1>{}, MoveOnly{888}),
- hana::make_pair(test::ct_eq<2>{}, MoveOnly{777}));
- Map map = hana::make_map(hana::make_pair(test::ct_eq<0>{}, MoveOnly{4}),
- hana::make_pair(test::ct_eq<1>{}, MoveOnly{5}),
- hana::make_pair(test::ct_eq<2>{}, MoveOnly{6}));
- map0 = std::move(map);
- BOOST_HANA_RUNTIME_CHECK(hana::at_key(map0, test::ct_eq<0>{}) == MoveOnly{4});
- BOOST_HANA_RUNTIME_CHECK(hana::at_key(map0, test::ct_eq<1>{}) == MoveOnly{5});
- BOOST_HANA_RUNTIME_CHECK(hana::at_key(map0, test::ct_eq<2>{}) == MoveOnly{6});
- }
- {
- using Map = hana::map<hana::pair<test::ct_eq<0>, MoveOnly>,
- hana::pair<test::ct_eq<1>, MoveOnly>,
- hana::pair<test::ct_eq<2>, MoveOnly>,
- hana::pair<test::ct_eq<3>, std::string>>;
- Map map0 = hana::make_map(hana::make_pair(test::ct_eq<0>{}, MoveOnly{999}),
- hana::make_pair(test::ct_eq<1>{}, MoveOnly{888}),
- hana::make_pair(test::ct_eq<2>{}, MoveOnly{777}),
- hana::make_pair(test::ct_eq<3>{}, std::string{"zzzzz"}));
- Map map = hana::make_map(hana::make_pair(test::ct_eq<0>{}, MoveOnly{4}),
- hana::make_pair(test::ct_eq<1>{}, MoveOnly{5}),
- hana::make_pair(test::ct_eq<2>{}, MoveOnly{6}),
- hana::make_pair(test::ct_eq<3>{}, std::string{"abc"}));
- map0 = std::move(map);
- BOOST_HANA_RUNTIME_CHECK(hana::at_key(map0, test::ct_eq<0>{}) == MoveOnly{4});
- BOOST_HANA_RUNTIME_CHECK(hana::at_key(map0, test::ct_eq<1>{}) == MoveOnly{5});
- BOOST_HANA_RUNTIME_CHECK(hana::at_key(map0, test::ct_eq<2>{}) == MoveOnly{6});
- BOOST_HANA_RUNTIME_CHECK(hana::at_key(map0, test::ct_eq<3>{}) == std::string{"abc"});
- }
- }
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