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-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 // <chrono> 10 11 // duration 12 13 // template <class Rep2, class Period2> 14 // duration(const duration<Rep2, Period2>& d); 15 16 // conversions from integral to floating point durations allowed 17 18 #include <chrono> 19 #include <cassert> 20 #include <ratio> 21 22 #include "test_macros.h" 23 main(int,char **)24int main(int, char**) 25 { 26 { 27 std::chrono::duration<int> i(3); 28 std::chrono::duration<double, std::milli> d = i; 29 assert(d.count() == 3000); 30 } 31 #if TEST_STD_VER >= 11 32 { 33 constexpr std::chrono::duration<int> i(3); 34 constexpr std::chrono::duration<double, std::milli> d = i; 35 static_assert(d.count() == 3000, ""); 36 } 37 #endif 38 39 return 0; 40 } 41