op_+.pass.cpp revision c52f43e72dfcea03037729649da84c23b3beb04a 
1//===----------------------------------------------------------------------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10// <chrono>
11
12// time_point
13
14// template <class Clock, class Duration1, class Rep2, class Period2>
15//   time_point<Clock, typename common_type<Duration1, duration<Rep2, Period2>>::type>
16//   operator+(const time_point<Clock, Duration1>& lhs, const duration<Rep2, Period2>& rhs);
17
18// template <class Rep1, class Period1, class Clock, class Duration2>
19//   time_point<Clock, typename common_type<duration<Rep1, Period1>, Duration2>::type>
20//   operator+(const duration<Rep1, Period1>& lhs, const time_point<Clock, Duration2>& rhs);
21
22#include <chrono>
23#include <cassert>
24
25int main()
26{
27    typedef std::chrono::system_clock Clock;
28    typedef std::chrono::milliseconds Duration1;
29    typedef std::chrono::microseconds Duration2;
30    std::chrono::time_point<Clock, Duration1> t1(Duration1(3));
31    std::chrono::time_point<Clock, Duration2> t2 = t1 + Duration2(5);
32    assert(t2.time_since_epoch() == Duration2(3005));
33    t2 = Duration2(6) + t1;
34    assert(t2.time_since_epoch() == Duration2(3006));
35}
36