blob: 29c973223124baabc1effb2d5f163bb1ecd2ccca [file] [log] [blame]
//===----------------------------------------------------------------------===//
//
// 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>
// typedef duration<signed integral type of at least 64 bits, nano> nanoseconds;
#include <chrono>
#include <type_traits>
#include <limits>
#include "test_macros.h"
int main(int, char**)
{
typedef std::chrono::nanoseconds D;
typedef D::rep Rep;
typedef D::period Period;
static_assert(std::is_signed<Rep>::value, "");
static_assert(std::is_integral<Rep>::value, "");
static_assert(std::numeric_limits<Rep>::digits >= 63, "");
static_assert((std::is_same<Period, std::nano>::value), "");
return 0;
}