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 // <chrono>
11 
12 // treat_as_floating_point
13 
14 #include <chrono>
15 #include <type_traits>
16 
17 #include "test_macros.h"
18 
19 template <class T>
20 void
test()21 test()
22 {
23     static_assert((std::is_base_of<std::is_floating_point<T>,
24                                    std::chrono::treat_as_floating_point<T> >::value), "");
25 #if TEST_STD_VER > 14
26     static_assert(std::is_floating_point<T>::value ==
27                                   std::chrono::treat_as_floating_point_v<T>, "");
28 #endif
29 }
30 
31 struct A {};
32 
main()33 int main()
34 {
35     test<int>();
36     test<unsigned>();
37     test<char>();
38     test<bool>();
39     test<float>();
40     test<double>();
41     test<long double>();
42     test<A>();
43 }
44