40 lines · cpp
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-exception6//7//===----------------------------------------------------------------------===//8//9// UNSUPPORTED: no-monotonic-clock10 11// Due to C++17 inline variables ASAN flags this test as containing an ODR12// violation because Clock::is_steady is defined in both the dylib and this TU.13// UNSUPPORTED: asan14 15// <chrono>16 17// steady_clock18 19// check clock invariants20 21#include <chrono>22#include <type_traits>23 24#include "test_macros.h"25 26template <class T>27void test(const T &) {}28 29int main(int, char**)30{31 typedef std::chrono::steady_clock C;32 static_assert((std::is_same<C::rep, C::duration::rep>::value), "");33 static_assert((std::is_same<C::period, C::duration::period>::value), "");34 static_assert((std::is_same<C::duration, C::time_point::duration>::value), "");35 static_assert(C::is_steady, "");36 test(std::chrono::steady_clock::is_steady);37 38 return 0;39}40