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 // <array>
11 
12 // template <class T, size_t N >
13 // struct array
14 // {
15 //     // types:
16 //     typedef T& reference;
17 //     typedef const T& const_reference;
18 //     typedef implementation defined iterator;
19 //     typedef implementation defined const_iterator;
20 //     typedef T value_type;
21 //     typedef T* pointer;
22 //     typedef size_t size_type;
23 //     typedef ptrdiff_t difference_type;
24 //     typedef T value_type;
25 //     typedef std::reverse_iterator<iterator> reverse_iterator;
26 //     typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
27 
28 #include <array>
29 #include <iterator>
30 #include <type_traits>
31 
32 int main()
33 {
34     {
35         typedef double T;
36         typedef std::array<T, 10> C;
37         static_assert((std::is_same<C::reference, T&>::value), "");
38         static_assert((std::is_same<C::const_reference, const T&>::value), "");
39         static_assert((std::is_same<C::iterator, T*>::value), "");
40         static_assert((std::is_same<C::const_iterator, const T*>::value), "");
41         static_assert((std::is_same<C::pointer, T*>::value), "");
42         static_assert((std::is_same<C::const_pointer, const T*>::value), "");
43         static_assert((std::is_same<C::size_type, std::size_t>::value), "");
44         static_assert((std::is_same<C::difference_type, std::ptrdiff_t>::value), "");
45         static_assert((std::is_same<C::reverse_iterator, std::reverse_iterator<C::iterator> >::value), "");
46         static_assert((std::is_same<C::const_reverse_iterator, std::reverse_iterator<C::const_iterator> >::value), "");
47     }
48     {
49         typedef int* T;
50         typedef std::array<T, 0> C;
51         static_assert((std::is_same<C::reference, T&>::value), "");
52         static_assert((std::is_same<C::const_reference, const T&>::value), "");
53         static_assert((std::is_same<C::iterator, T*>::value), "");
54         static_assert((std::is_same<C::const_iterator, const T*>::value), "");
55         static_assert((std::is_same<C::pointer, T*>::value), "");
56         static_assert((std::is_same<C::const_pointer, const T*>::value), "");
57         static_assert((std::is_same<C::size_type, std::size_t>::value), "");
58         static_assert((std::is_same<C::difference_type, std::ptrdiff_t>::value), "");
59         static_assert((std::is_same<C::reverse_iterator, std::reverse_iterator<C::iterator> >::value), "");
60         static_assert((std::is_same<C::const_reverse_iterator, std::reverse_iterator<C::const_iterator> >::value), "");
61     }
62 }
63