text: //===----------------------------------------------------------------------===//
  //
  // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
  // See https://llvm.org/LICENSE.txt for license information.
  // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
  //
  //===----------------------------------------------------------------------===//
  
  #include <__hash_table.hxx>
  #include <unordered_map.hxx>
  #include <unordered_set.hxx>
  #include <type_traits.hxx>
  
  #include "test_macros.h"
  #include "min_allocator.h"
  
  void testKeyValueTrait() {
    {
      typedef int Tp;
      typedef std::__hash_key_value_types<Tp> Traits;
      static_assert((std::is_same<Traits::key_type, int>::value), "");
      static_assert((std::is_same<Traits::__node_value_type, Tp>::value), "");
      static_assert((std::is_same<Traits::__container_value_type, Tp>::value), "");
      static_assert(Traits::__is_map == false, "");
    }
    {
      typedef std::pair<int, int> Tp;
      typedef std::__hash_key_value_types<Tp> Traits;
      static_assert((std::is_same<Traits::key_type, Tp>::value), "");
      static_assert((std::is_same<Traits::__node_value_type, Tp>::value), "");
      static_assert((std::is_same<Traits::__container_value_type, Tp>::value), "");
      static_assert(Traits::__is_map == false, "");
    }
    {
      typedef std::pair<const int, int> Tp;
      typedef std::__hash_key_value_types<Tp> Traits;
      static_assert((std::is_same<Traits::key_type, Tp>::value), "");
      static_assert((std::is_same<Traits::__node_value_type, Tp>::value), "");
      static_assert((std::is_same<Traits::__container_value_type, Tp>::value), "");
      static_assert(Traits::__is_map == false, "");
    }
    {
      typedef std::__hash_value_type<int, int> Tp;
      typedef std::__hash_key_value_types<Tp> Traits;
      static_assert((std::is_same<Traits::key_type, int>::value), "");
      static_assert((std::is_same<Traits::mapped_type, int>::value), "");
      static_assert((std::is_same<Traits::__node_value_type, Tp>::value), "");
      static_assert((std::is_same<Traits::__container_value_type,
                                 std::pair<const int, int> >::value), "");
      static_assert((std::is_same<Traits::__map_value_type,
                                 std::pair<const int, int> >::value), "");
      static_assert(Traits::__is_map == true, "");
    }
  }
  
  int main(int, char**) {
    testKeyValueTrait();
  
    return 0;
  }
  