op_-=.pass.cpp revision bc8d3f97eb5c958007f2713238472e0c1c8fe02c 
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// time_point& operator-=(const duration& d);
15
16#include <chrono>
17#include <cassert>
18
19int 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(1));
26}
27