1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // UNSUPPORTED: libcpp-has-no-monotonic-clock 11 12 // Due to C++17 inline variables ASAN flags this test as containing an ODR 13 // violation because Clock::is_steady is defined in both the dylib and this TU. 14 // UNSUPPORTED: asan 15 16 // Starting with C++17, Clock::is_steady is inlined (but not before LLVM-3.9!), 17 // but before C++17 it requires the symbol to be present in the dylib. 18 // XFAIL: availability=macosx10.7 && (c++98 || c++03 || c++11 || c++14 || apple-clang-7 || apple-clang-8.0) 19 // XFAIL: availability=macosx10.8 && (c++98 || c++03 || c++11 || c++14 || apple-clang-7 || apple-clang-8.0) 20 21 // <chrono> 22 23 // steady_clock 24 25 // check clock invariants 26 27 #include <chrono> 28 29 template <class T> 30 void test(const T &) {} 31 32 int main() 33 { 34 typedef std::chrono::steady_clock C; 35 static_assert((std::is_same<C::rep, C::duration::rep>::value), ""); 36 static_assert((std::is_same<C::period, C::duration::period>::value), ""); 37 static_assert((std::is_same<C::duration, C::time_point::duration>::value), ""); 38 static_assert(C::is_steady, ""); 39 test(std::chrono::steady_clock::is_steady); 40 } 41
