ceph/src/boost/libs/hana/test/map/laws.cpp

   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/map.hpp>
   6 #include <boost/hana/tuple.hpp>
   7
   8 #include <laws/base.hpp>
   9 #include <laws/comparable.hpp>
  10 #include <laws/foldable.hpp>
  11 #include <laws/searchable.hpp>
  12 #include <support/minimal_product.hpp>
  13 namespace hana = boost::hana;
  14
  15
  16 template <int i>
  17 auto key() { return hana::test::ct_eq<i>{}; }
  18
  19 template <int i>
  20 auto val() { return hana::test::ct_eq<-i>{}; }
  21
  22 template <int i, int j>
  23 auto p() { return ::minimal_product(key<i>(), val<j>()); }
  24
  25 int main() {
  26     auto maps = hana::make_tuple(
  27         hana::make_map(),
  28         hana::make_map(p<1, 1>()),
  29         hana::make_map(p<1, 2>()),
  30         hana::make_map(p<1, 1>(), p<2, 2>()),
  31         hana::make_map(p<1, 1>(), p<2, 2>(), p<3, 3>())
  32     );
  33
  34     hana::test::TestComparable<hana::map_tag>{maps};
  35     hana::test::TestSearchable<hana::map_tag>{maps, hana::make_tuple(key<1>(), key<4>())};
  36     hana::test::TestFoldable<hana::map_tag>{maps};
  37 }