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 // <chrono> 11 12 // duration 13 14 // template <class Rep2> 15 // explicit duration(const Rep2& r); 16 17 #include <chrono> 18 #include <cassert> 19 20 #include "../../rep.h" 21 22 template <class D, class R> 23 void test(R r)24test(R r) 25 { 26 D d(r); 27 assert(d.count() == r); 28 #ifndef _LIBCPP_HAS_NO_CONSTEXPR 29 constexpr D d2(R(2)); 30 static_assert(d2.count() == 2, ""); 31 #endif 32 } 33 main()34int main() 35 { 36 test<std::chrono::duration<int> >(5); 37 test<std::chrono::duration<int, std::ratio<3, 2> > >(5); 38 test<std::chrono::duration<Rep, std::ratio<3, 2> > >(Rep(3)); 39 test<std::chrono::duration<double, std::ratio<2, 3> > >(5.5); 40 } 41