1//===----------------------------------------------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9// UNSUPPORTED: c++03, c++11, c++14, c++17
10
11// <chrono>
12
13// file_clock
14
15// rep should be signed
16
17#include <chrono>
18#include <cassert>
19#include <type_traits>
20
21#include "test_macros.h"
22
23int main(int, char**)
24{
25 static_assert(std::is_signed<std::chrono::file_clock::rep>::value, "");
26 assert(std::chrono::file_clock::duration::min() <
27 std::chrono::file_clock::duration::zero());
28
29 return 0;
30}
31

source code of libcxx/test/std/time/time.clock/time.clock.file/rep_signed.pass.cpp