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& operator%=(const rep& rhs)
15 
16 #include <chrono>
17 #include <cassert>
18 
19 #include "test_macros.h"
20 
21 #if TEST_STD_VER > 14
test_constexpr()22 constexpr bool test_constexpr()
23 {
24     std::chrono::seconds s(11);
25     s %= 3;
26     return s.count() == 2;
27 }
28 #endif
29 
main()30 int main()
31 {
32     {
33     std::chrono::microseconds us(11);
34     us %= 3;
35     assert(us.count() == 2);
36     }
37 
38 #if TEST_STD_VER > 14
39     static_assert(test_constexpr(), "");
40 #endif
41 }
42