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 // duration
13 
14 // duration() = default;
15 
16 // Rep must be default initialized, not initialized with 0
17 
18 #include <chrono>
19 #include <cassert>
20 
21 #include "../../rep.h"
22 
23 template <class D>
24 void
test()25 test()
26 {
27     D d;
28     assert(d.count() == typename D::rep());
29 #ifndef _LIBCPP_HAS_NO_CONSTEXPR
30     constexpr D d2 = D();
31     static_assert(d2.count() == typename D::rep(), "");
32 #endif
33 }
34 
main()35 int main()
36 {
37     test<std::chrono::duration<Rep> >();
38 }
39