convert_int_to_float.pass.cpp (946B)
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, class Period2> 15 // duration(const duration<Rep2, Period2>& d); 16 17 // conversions from integral to floating point durations allowed 18 19 #include <chrono> 20 #include <cassert> 21 22 #include "test_macros.h" 23 24 int main() 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 }