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 duration& 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::microseconds us1(11);
25     std::chrono::microseconds us2(3);
26     us1 %= us2;
27     return us1.count() == 2;
28 }
29 #endif
30 
main()31 int main()
32 {
33     {
34     std::chrono::microseconds us1(11);
35     std::chrono::microseconds us2(3);
36     us1 %= us2;
37     assert(us1.count() == 2);
38     us1 %= std::chrono::milliseconds(3);
39     assert(us1.count() == 2);
40     }
41 
42 #if TEST_STD_VER > 14
43     static_assert(test_constexpr(), "");
44 #endif
45 }
46