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 // UNSUPPORTED: c++98, c++03, c++11, c++14, c++17 10 11 // <chrono> 12 // class year_month; 13 14 // constexpr chrono::day day() const noexcept; 15 // Returns: d_ 16 17 #include <chrono> 18 #include <type_traits> 19 #include <cassert> 20 21 #include "test_macros.h" 22 main()23int main() 24 { 25 using year = std::chrono::year; 26 using month = std::chrono::month; 27 using year_month = std::chrono::year_month; 28 29 ASSERT_NOEXCEPT( std::declval<const year_month>().year()); 30 ASSERT_SAME_TYPE(year, decltype(std::declval<const year_month>().year())); 31 32 static_assert( year_month{}.year() == year{}, ""); 33 34 for (int i = 1; i <= 50; ++i) 35 { 36 year_month ym(year{i}, month{}); 37 assert( static_cast<int>(ym.year()) == i); 38 } 39 } 40