Marshall Clow 832b304076 Implement n3469 - constexpr for chrono
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@187517 91177308-0d34-0410-b5e6-96231b3b80d8
2013-07-31 19:32:19 +00:00

36 lines
867 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();
#include <chrono>
#include <cassert>
#include "../../rep.h"
int main()
{
typedef std::chrono::system_clock Clock;
typedef std::chrono::duration<Rep, std::milli> Duration;
{
std::chrono::time_point<Clock, Duration> t;
assert(t.time_since_epoch() == Duration::zero());
}
#if _LIBCPP_STD_VER > 11
{
constexpr std::chrono::time_point<Clock, Duration> t;
static_assert(t.time_since_epoch() == Duration::zero(), "");
}
#endif
}