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 // This test uses new symbols that were not defined in the libc++ shipped on 11 // darwin11 and darwin12: 12 // XFAIL: with_system_cxx_lib=x86_64-apple-darwin11 13 // XFAIL: with_system_cxx_lib=x86_64-apple-darwin12 14 // UNSUPPORTED: libcpp-has-no-monotonic-clock 15 16 // <chrono> 17 18 // steady_clock 19 20 // check clock invariants 21 22 #include <chrono> 23 24 template <class _Tp> 25 void test(const _Tp &) {} 26 27 int main() 28 { 29 typedef std::chrono::steady_clock C; 30 static_assert((std::is_same<C::rep, C::duration::rep>::value), ""); 31 static_assert((std::is_same<C::period, C::duration::period>::value), ""); 32 static_assert((std::is_same<C::duration, C::time_point::duration>::value), ""); 33 static_assert(C::is_steady, ""); 34 test(std::chrono::steady_clock::is_steady); 35 } 36
