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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 // template <class Rep1, class Period1, class Rep2, class Period2>
15 //   constexpr
16 //   typename common_type<duration<Rep1, Period1>, duration<Rep2, Period2>>::type
17 //   operator%(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs);
18 
19 #include <chrono>
20 #include <cassert>
21 
main()22 int main()
23 {
24     {
25     std::chrono::nanoseconds ns1(15);
26     std::chrono::nanoseconds ns2(6);
27     std::chrono::nanoseconds r = ns1 % ns2;
28     assert(r.count() == 3);
29     }
30     {
31     std::chrono::microseconds us1(15);
32     std::chrono::nanoseconds ns2(28);
33     std::chrono::nanoseconds r = us1 % ns2;
34     assert(r.count() == 20);
35     }
36     {
37     std::chrono::duration<int, std::ratio<3, 5> > s1(6);
38     std::chrono::duration<int, std::ratio<2, 3> > s2(3);
39     std::chrono::duration<int, std::ratio<1, 15> > r = s1 % s2;
40     assert(r.count() == 24);
41     }
42 #ifndef _LIBCPP_HAS_NO_CONSTEXPR
43     {
44     constexpr std::chrono::nanoseconds ns1(15);
45     constexpr std::chrono::nanoseconds ns2(6);
46     constexpr std::chrono::nanoseconds r = ns1 % ns2;
47     static_assert(r.count() == 3, "");
48     }
49     {
50     constexpr std::chrono::microseconds us1(15);
51     constexpr std::chrono::nanoseconds ns2(28);
52     constexpr std::chrono::nanoseconds r = us1 % ns2;
53     static_assert(r.count() == 20, "");
54     }
55     {
56     constexpr std::chrono::duration<int, std::ratio<3, 5> > s1(6);
57     constexpr std::chrono::duration<int, std::ratio<2, 3> > s2(3);
58     constexpr std::chrono::duration<int, std::ratio<1, 15> > r = s1 % s2;
59     static_assert(r.count() == 24, "");
60     }
61 #endif
62 }
63