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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>
- namespace hana = boost::hana;
- namespace test = hana::test;
- int main() {
- {
- using Map = hana::map<>;
- Map map0;
- Map map;
- map0 = map;
- }
- {
- using Map = hana::map<hana::pair<test::ct_eq<0>, int>>;
- Map map0 = hana::make_map(hana::make_pair(test::ct_eq<0>{}, 999));
- Map map = hana::make_map(hana::make_pair(test::ct_eq<0>{}, 4));
- map0 = map;
- BOOST_HANA_RUNTIME_CHECK(hana::at_key(map0, test::ct_eq<0>{}) == 4);
- }
- {
- using Map = hana::map<hana::pair<test::ct_eq<0>, int>,
- hana::pair<test::ct_eq<1>, char>>;
- Map map0 = hana::make_map(hana::make_pair(test::ct_eq<0>{}, 999),
- hana::make_pair(test::ct_eq<1>{}, 'z'));
- Map map = hana::make_map(hana::make_pair(test::ct_eq<0>{}, 4),
- hana::make_pair(test::ct_eq<1>{}, 'a'));
- map0 = map;
- BOOST_HANA_RUNTIME_CHECK(hana::at_key(map0, test::ct_eq<0>{}) == 4);
- BOOST_HANA_RUNTIME_CHECK(hana::at_key(map0, test::ct_eq<1>{}) == 'a');
- }
- {
- using Map = hana::map<hana::pair<test::ct_eq<0>, int>,
- hana::pair<test::ct_eq<1>, char>,
- hana::pair<test::ct_eq<2>, std::string>>;
- Map map0 = hana::make_map(hana::make_pair(test::ct_eq<0>{}, 999),
- hana::make_pair(test::ct_eq<1>{}, 'z'),
- hana::make_pair(test::ct_eq<2>{}, std::string{"zzzzzzzz"}));
- Map map = hana::make_map(hana::make_pair(test::ct_eq<0>{}, 4),
- hana::make_pair(test::ct_eq<1>{}, 'a'),
- hana::make_pair(test::ct_eq<2>{}, std::string{"abc"}));
- map0 = map;
- BOOST_HANA_RUNTIME_CHECK(hana::at_key(map0, test::ct_eq<0>{}) == 4);
- BOOST_HANA_RUNTIME_CHECK(hana::at_key(map0, test::ct_eq<1>{}) == 'a');
- BOOST_HANA_RUNTIME_CHECK(hana::at_key(map0, test::ct_eq<2>{}) == "abc");
- }
- }
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