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 "test_macros.h"
22 #include "../../rep.h"
23 
24 template <class D>
25 void
test()26 test()
27 {
28     D d;
29     assert(d.count() == typename D::rep());
30 #if TEST_STD_VER >= 11
31     constexpr D d2 = D();
32     static_assert(d2.count() == typename D::rep(), "");
33 #endif
34 }
35 
main()36 int main()
37 {
38     test<std::chrono::duration<Rep> >();
39 }
40