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_day; 13 14 // constexpr chrono::month month() const noexcept; 15 // Returns: wd_ 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 day = std::chrono::day; 28 using year_month_day = std::chrono::year_month_day; 29 30 ASSERT_NOEXCEPT( std::declval<const year_month_day>().month()); 31 ASSERT_SAME_TYPE(month, decltype(std::declval<const year_month_day>().month())); 32 33 static_assert( year_month_day{}.month() == month{}, ""); 34 35 for (unsigned i = 1; i <= 50; ++i) 36 { 37 year_month_day ymd(year{1234}, month{i}, day{12}); 38 assert( static_cast<unsigned>(ymd.month()) == i); 39 } 40 } 41