| //===----------------------------------------------------------------------===// |
| // |
| // 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: libcpp-has-no-monotonic-clock |
| |
| // Due to C++17 inline variables ASAN flags this test as containing an ODR |
| // violation because Clock::is_steady is defined in both the dylib and this TU. |
| // UNSUPPORTED: asan |
| |
| // Starting with C++17, Clock::is_steady is inlined (but not before LLVM-3.9!), |
| // but before C++17 it requires the symbol to be present in the dylib. |
| // XFAIL: availability=macosx10.7 && (c++98 || c++03 || c++11 || c++14 || apple-clang-7 || apple-clang-8.0) |
| // XFAIL: availability=macosx10.8 && (c++98 || c++03 || c++11 || c++14 || apple-clang-7 || apple-clang-8.0) |
| |
| // <chrono> |
| |
| // steady_clock |
| |
| // check clock invariants |
| |
| #include <chrono> |
| |
| template <class T> |
| void test(const T &) {} |
| |
| int main() |
| { |
| typedef std::chrono::steady_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(C::is_steady, ""); |
| test(std::chrono::steady_clock::is_steady); |
| } |
