src/third_party/libc++/trunk/test/containers/unord/unord.multimap/types.pass.cpp

   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 // <unordered_map>
  11
  12 // template <class Key, class T, class Hash = hash<Key>, class Pred = equal_to<Key>,
  13 //           class Alloc = allocator<pair<const Key, T>>>
  14 // class unordered_multimap
  15 // {
  16 // public:
  17 //     // types
  18 //     typedef Key                                                        key_type;
  19 //     typedef T                                                          mapped_type;
  20 //     typedef Hash                                                       hasher;
  21 //     typedef Pred                                                       key_equal;
  22 //     typedef Alloc                                                      allocator_type;
  23 //     typedef pair<const key_type, mapped_type>                          value_type;
  24 //     typedef value_type&                                                reference;
  25 //     typedef const value_type&                                          const_reference;
  26 //     typedef typename allocator_traits<allocator_type>::pointer         pointer;
  27 //     typedef typename allocator_traits<allocator_type>::const_pointer   const_pointer;
  28 //     typedef typename allocator_traits<allocator_type>::size_type       size_type;
  29 //     typedef typename allocator_traits<allocator_type>::difference_type difference_type;
  30
  31 #include <unordered_map>
  32 #include <type_traits>
  33
  34 #include "min_allocator.h"
  35
  36 int main()
  37 {
  38     {
  39         typedef std::unordered_multimap<char, short> C;
  40         static_assert((std::is_same<C::key_type, char>::value), "");
  41         static_assert((std::is_same<C::mapped_type, short>::value), "");
  42         static_assert((std::is_same<C::hasher, std::hash<C::key_type> >::value), "");
  43         static_assert((std::is_same<C::key_equal, std::equal_to<C::key_type> >::value), "");
  44         static_assert((std::is_same<C::allocator_type, std::allocator<C::value_type> >::value), "");
  45         static_assert((std::is_same<C::value_type, std::pair<const C::key_type, C::mapped_type> >::value), "");
  46         static_assert((std::is_same<C::reference, C::value_type&>::value), "");
  47         static_assert((std::is_same<C::const_reference, const C::value_type&>::value), "");
  48         static_assert((std::is_same<C::pointer, C::value_type*>::value), "");
  49         static_assert((std::is_same<C::const_pointer, const C::value_type*>::value), "");
  50         static_assert((std::is_same<C::size_type, std::size_t>::value), "");
  51         static_assert((std::is_same<C::difference_type, std::ptrdiff_t>::value), "");
  52     }
  53 #if __cplusplus >= 201103L
  54     {
  55         typedef std::unordered_multimap<char, short, std::hash<char>, std::equal_to<char>,
  56                             min_allocator<std::pair<const char, short>>> C;
  57         static_assert((std::is_same<C::key_type, char>::value), "");
  58         static_assert((std::is_same<C::mapped_type, short>::value), "");
  59         static_assert((std::is_same<C::hasher, std::hash<C::key_type> >::value), "");
  60         static_assert((std::is_same<C::key_equal, std::equal_to<C::key_type> >::value), "");
  61         static_assert((std::is_same<C::allocator_type, min_allocator<C::value_type> >::value), "");
  62         static_assert((std::is_same<C::value_type, std::pair<const C::key_type, C::mapped_type> >::value), "");
  63         static_assert((std::is_same<C::reference, C::value_type&>::value), "");
  64         static_assert((std::is_same<C::const_reference, const C::value_type&>::value), "");
  65         static_assert((std::is_same<C::pointer, min_pointer<C::value_type>>::value), "");
  66         static_assert((std::is_same<C::const_pointer, min_pointer<const C::value_type>>::value), "");
  67     //  min_allocator doesn't have a size_type, so one gets synthesized
  68         static_assert((std::is_same<C::size_type, std::make_unsigned<C::difference_type>::type>::value), "");
  69         static_assert((std::is_same<C::difference_type, std::ptrdiff_t>::value), "");
  70     }
  71 #endif
  72 }