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//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// <chrono>
// time_point
// template <class Clock, class Duration1, class Duration2>
// typename common_type<Duration1, Duration2>::type
// operator-(const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs);
#include <chrono>
#include <cassert>
#include "test_macros.h"
int main(int, char**)
{
typedef std::chrono::system_clock Clock;
typedef std::chrono::milliseconds Duration1;
typedef std::chrono::microseconds Duration2;
{
std::chrono::time_point<Clock, Duration1> t1(Duration1(3));
std::chrono::time_point<Clock, Duration2> t2(Duration2(5));
assert((t1 - t2) == Duration2(2995));
}
#if TEST_STD_VER > 11
{
constexpr std::chrono::time_point<Clock, Duration1> t1(Duration1(3));
constexpr std::chrono::time_point<Clock, Duration2> t2(Duration2(5));
static_assert((t1 - t2) == Duration2(2995), "");
}
#endif
return 0;
}
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