types.pass.cpp revision f5256e16dfc425c1d466f6308d4026d529ce9e0b 
1//===----------------------------------------------------------------------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. 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_map
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
34int main()
35{
36    {
37        typedef std::unordered_map<char, short> C;
38        static_assert((std::is_same<C::key_type, char>::value), "");
39        static_assert((std::is_same<C::mapped_type, short>::value), "");
40        static_assert((std::is_same<C::hasher, std::hash<C::key_type> >::value), "");
41        static_assert((std::is_same<C::key_equal, std::equal_to<C::key_type> >::value), "");
42        static_assert((std::is_same<C::allocator_type, std::allocator<C::value_type> >::value), "");
43        static_assert((std::is_same<C::value_type, std::pair<const C::key_type, C::mapped_type> >::value), "");
44        static_assert((std::is_same<C::reference, C::value_type&>::value), "");
45        static_assert((std::is_same<C::const_reference, const C::value_type&>::value), "");
46        static_assert((std::is_same<C::pointer, C::value_type*>::value), "");
47        static_assert((std::is_same<C::const_pointer, const C::value_type*>::value), "");
48        static_assert((std::is_same<C::size_type, std::size_t>::value), "");
49        static_assert((std::is_same<C::difference_type, std::ptrdiff_t>::value), "");
50    }
51}
52