1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 // <chrono>
10 
11 // duration
12 
13 // duration& operator%=(const rep& rhs)
14 
15 #include <chrono>
16 #include <cassert>
17 
18 #include "test_macros.h"
19 
20 class NotARep {};
21 
22 typedef std::chrono::seconds Duration;
operator %=(Duration d,NotARep)23 Duration operator%=(Duration d, NotARep) { return d; }
24 
25 #if TEST_STD_VER > 14
test_constexpr()26 constexpr bool test_constexpr()
27 {
28     std::chrono::seconds s(11);
29     s %= 3;
30     return s.count() == 2;
31 }
32 #endif
33 
main(int,char **)34 int main(int, char**)
35 {
36     {
37     std::chrono::microseconds us(11);
38     us %= 3;
39     assert(us.count() == 2);
40     }
41 
42 #if TEST_STD_VER > 14
43     static_assert(test_constexpr(), "");
44 #endif
45 
46 #if TEST_STD_VER >= 11
47     { // This is PR#41130
48     Duration d(5);
49     NotARep n;
50     d %= n;
51     assert(d.count() == 5);
52     }
53 #endif
54 
55 
56   return 0;
57 }
58