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 // typename common_type<duration<Rep1, Period1>, duration<Rep2, Period2>>::type
16 // operator+(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs);
17
18 #include <chrono>
19 #include <cassert>
20
main()21 int main()
22 {
23 {
24 std::chrono::seconds s1(3);
25 std::chrono::seconds s2(5);
26 std::chrono::seconds r = s1 + s2;
27 assert(r.count() == 8);
28 }
29 {
30 std::chrono::seconds s1(3);
31 std::chrono::microseconds s2(5);
32 std::chrono::microseconds r = s1 + s2;
33 assert(r.count() == 3000005);
34 }
35 {
36 std::chrono::duration<int, std::ratio<2, 3> > s1(3);
37 std::chrono::duration<int, std::ratio<3, 5> > s2(5);
38 std::chrono::duration<int, std::ratio<1, 15> > r = s1 + s2;
39 assert(r.count() == 75);
40 }
41 {
42 std::chrono::duration<int, std::ratio<2, 3> > s1(3);
43 std::chrono::duration<double, std::ratio<3, 5> > s2(5);
44 std::chrono::duration<double, std::ratio<1, 15> > r = s1 + s2;
45 assert(r.count() == 75);
46 }
47 #ifndef _LIBCPP_HAS_NO_CONSTEXPR
48 {
49 constexpr std::chrono::seconds s1(3);
50 constexpr std::chrono::seconds s2(5);
51 constexpr std::chrono::seconds r = s1 + s2;
52 static_assert(r.count() == 8, "");
53 }
54 {
55 constexpr std::chrono::seconds s1(3);
56 constexpr std::chrono::microseconds s2(5);
57 constexpr std::chrono::microseconds r = s1 + s2;
58 static_assert(r.count() == 3000005, "");
59 }
60 {
61 constexpr std::chrono::duration<int, std::ratio<2, 3> > s1(3);
62 constexpr std::chrono::duration<int, std::ratio<3, 5> > s2(5);
63 constexpr std::chrono::duration<int, std::ratio<1, 15> > r = s1 + s2;
64 static_assert(r.count() == 75, "");
65 }
66 {
67 constexpr std::chrono::duration<int, std::ratio<2, 3> > s1(3);
68 constexpr std::chrono::duration<double, std::ratio<3, 5> > s2(5);
69 constexpr std::chrono::duration<double, std::ratio<1, 15> > r = s1 + s2;
70 static_assert(r.count() == 75, "");
71 }
72 #endif
73 }
74