extent.pass.cpp revision 091f2ab44f35b044a14359c3dc794d3688ee074f 
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// extent
13
14#include <type_traits>
15
16template <class T, unsigned A>
17void test_extent()
18{
19    static_assert((std::extent<T>::value == A), "");
20    static_assert((std::extent<const T>::value == A), "");
21    static_assert((std::extent<volatile T>::value == A), "");
22    static_assert((std::extent<const volatile T>::value == A), "");
23}
24
25template <class T, unsigned A>
26void test_extent1()
27{
28    static_assert((std::extent<T, 1>::value == A), "");
29    static_assert((std::extent<const T, 1>::value == A), "");
30    static_assert((std::extent<volatile T, 1>::value == A), "");
31    static_assert((std::extent<const volatile T, 1>::value == A), "");
32}
33
34class Class
35{
36public:
37    ~Class();
38};
39
40int main()
41{
42    test_extent<void, 0>();
43    test_extent<int&, 0>();
44    test_extent<Class, 0>();
45    test_extent<int*, 0>();
46    test_extent<const int*, 0>();
47    test_extent<int, 0>();
48    test_extent<double, 0>();
49    test_extent<bool, 0>();
50    test_extent<unsigned, 0>();
51
52    test_extent<int[2], 2>();
53    test_extent<int[2][4], 2>();
54    test_extent<int[][4], 0>();
55
56    test_extent1<int, 0>();
57    test_extent1<int[2], 0>();
58    test_extent1<int[2][4], 4>();
59    test_extent1<int[][4], 4>();
60}
61