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      1 //===----------------------------------------------------------------------===//
      2 //
      3 //                     The LLVM Compiler Infrastructure
      4 //
      5 // This file is dual licensed under the MIT and the University of Illinois Open
      6 // Source Licenses. See LICENSE.TXT for details.
      7 //
      8 //===----------------------------------------------------------------------===//
      9 
     10 #include <__hash_table>
     11 #include <unordered_map>
     12 #include <unordered_set>
     13 #include <type_traits>
     14 
     15 #include "test_macros.h"
     16 #include "min_allocator.h"
     17 
     18 void testKeyValueTrait() {
     19   {
     20     typedef int Tp;
     21     typedef std::__hash_key_value_types<Tp> Traits;
     22     static_assert((std::is_same<Traits::key_type, int>::value), "");
     23     static_assert((std::is_same<Traits::__node_value_type, Tp>::value), "");
     24     static_assert((std::is_same<Traits::__container_value_type, Tp>::value), "");
     25     static_assert(Traits::__is_map == false, "");
     26   }
     27   {
     28     typedef std::pair<int, int> Tp;
     29     typedef std::__hash_key_value_types<Tp> Traits;
     30     static_assert((std::is_same<Traits::key_type, Tp>::value), "");
     31     static_assert((std::is_same<Traits::__node_value_type, Tp>::value), "");
     32     static_assert((std::is_same<Traits::__container_value_type, Tp>::value), "");
     33     static_assert(Traits::__is_map == false, "");
     34   }
     35   {
     36     typedef std::pair<const int, int> Tp;
     37     typedef std::__hash_key_value_types<Tp> Traits;
     38     static_assert((std::is_same<Traits::key_type, Tp>::value), "");
     39     static_assert((std::is_same<Traits::__node_value_type, Tp>::value), "");
     40     static_assert((std::is_same<Traits::__container_value_type, Tp>::value), "");
     41     static_assert(Traits::__is_map == false, "");
     42   }
     43   {
     44     typedef std::__hash_value_type<int, int> Tp;
     45     typedef std::__hash_key_value_types<Tp> Traits;
     46     static_assert((std::is_same<Traits::key_type, int>::value), "");
     47     static_assert((std::is_same<Traits::mapped_type, int>::value), "");
     48     static_assert((std::is_same<Traits::__node_value_type, Tp>::value), "");
     49     static_assert((std::is_same<Traits::__container_value_type,
     50                                std::pair<const int, int> >::value), "");
     51     static_assert((std::is_same<Traits::__map_value_type,
     52                                std::pair<const int, int> >::value), "");
     53     static_assert(Traits::__is_map == true, "");
     54   }
     55 }
     56 
     57 int main() {
     58   testKeyValueTrait();
     59 }
     60