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 // remove_extent
13 
14 #include <type_traits>
15 
16 enum Enum {zero, one_};
17 
18 template <class T, class U>
test_remove_extent()19 void test_remove_extent()
20 {
21     static_assert((std::is_same<typename std::remove_extent<T>::type, U>::value), "");
22 #if _LIBCPP_STD_VER > 11
23     static_assert((std::is_same<std::remove_extent_t<T>,     U>::value), "");
24 #endif
25 }
26 
27 
main()28 int main()
29 {
30     test_remove_extent<int, int> ();
31     test_remove_extent<const Enum, const Enum> ();
32     test_remove_extent<int[], int> ();
33     test_remove_extent<const int[], const int> ();
34     test_remove_extent<int[3], int> ();
35     test_remove_extent<const int[3], const int> ();
36     test_remove_extent<int[][3], int[3]> ();
37     test_remove_extent<const int[][3], const int[3]> ();
38     test_remove_extent<int[2][3], int[3]> ();
39     test_remove_extent<const int[2][3], const int[3]> ();
40     test_remove_extent<int[1][2][3], int[2][3]> ();
41     test_remove_extent<const int[1][2][3], const int[2][3]> ();
42 }
43