test/std/utilities/time/time.clock/time.clock.file/consistency.pass.cpp

//===----------------------------------------------------------------------===//
//
//                     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.
//
//===----------------------------------------------------------------------===//
//
// UNSUPPORTED: c++98, c++03, c++11, c++14, c++17
//
// TODO: Remove this when filesystem gets integrated into the dylib
// REQUIRES: c++filesystem

// <chrono>

// file_clock

// check clock invariants

#include <chrono>

template <class T>
void test(const T &) {}

int main()
{
    typedef std::chrono::file_clock C;
    static_assert((std::is_same<C::rep, C::duration::rep>::value), "");
    static_assert((std::is_same<C::period, C::duration::period>::value), "");
    static_assert((std::is_same<C::duration, C::time_point::duration>::value), "");
    static_assert((std::is_same<C::time_point::clock, C>::value), "");
    static_assert(!C::is_steady, "");
    test(std::chrono::file_clock::is_steady);
}