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 // time_point
13 
14 // time_point& operator+=(const duration& d);
15 
16 #include <chrono>
17 #include <cassert>
18 
main()19 int main()
20 {
21     typedef std::chrono::system_clock Clock;
22     typedef std::chrono::milliseconds Duration;
23     std::chrono::time_point<Clock, Duration> t(Duration(3));
24     t += Duration(2);
25     assert(t.time_since_epoch() == Duration(5));
26 }
27