cxx/test/utilities/time/time.point/time.point.arithmetic/op_-=.pass.cpp
Howard Hinnant b64f8b07c1 license change
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@119395 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-16 22:09:02 +00:00

27 lines
710 B
C++

//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <chrono>
// time_point
// time_point& operator-=(const duration& d);
#include <chrono>
#include <cassert>
int main()
{
typedef std::chrono::system_clock Clock;
typedef std::chrono::milliseconds Duration;
std::chrono::time_point<Clock, Duration> t(Duration(3));
t -= Duration(2);
assert(t.time_since_epoch() == Duration(1));
}