op_-=.pass.cpp revision b64f8b07c104c6cc986570ac8ee0ed16a9f23976
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 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