//===----------------------------------------------------------------------===// // // 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> // system_clock // check clock invariants #include <chrono> int main() { typedef std::chrono::system_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 || !C::is_steady), ""); }