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// type_traits
11
12// rank
13
14#include <type_traits>
15
16#include "test_macros.h"
17
18template <class T, unsigned A>
19void test_rank()
20{
21    static_assert( std::rank<T>::value == A, "");
22    static_assert( std::rank<const T>::value == A, "");
23    static_assert( std::rank<volatile T>::value == A, "");
24    static_assert( std::rank<const volatile T>::value == A, "");
25#if TEST_STD_VER > 14
26    static_assert( std::rank_v<T> == A, "");
27    static_assert( std::rank_v<const T> == A, "");
28    static_assert( std::rank_v<volatile T> == A, "");
29    static_assert( std::rank_v<const volatile T> == A, "");
30#endif
31}
32
33class Class
34{
35public:
36    ~Class();
37};
38
39int main()
40{
41    test_rank<void, 0>();
42    test_rank<int&, 0>();
43    test_rank<Class, 0>();
44    test_rank<int*, 0>();
45    test_rank<const int*, 0>();
46    test_rank<int, 0>();
47    test_rank<double, 0>();
48    test_rank<bool, 0>();
49    test_rank<unsigned, 0>();
50
51    test_rank<char[3], 1>();
52    test_rank<char[][3], 2>();
53    test_rank<char[][4][3], 3>();
54}
55