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 // UNSUPPORTED: c++03, c++11, c++14, c++17 9 10 // <chrono> 11 // class month_day; 12 13 // constexpr chrono::month month() const noexcept; 14 // Returns: wd_ 15 16 #include <chrono> 17 #include <cassert> 18 #include <type_traits> 19 #include <utility> 20 21 #include "test_macros.h" 22 23 int main(int, char**) 24 { 25 using day = std::chrono::day; 26 using month = std::chrono::month; 27 using month_day = std::chrono::month_day; 28 29 ASSERT_NOEXCEPT( std::declval<const month_day>().month()); 30 ASSERT_SAME_TYPE(month, decltype(std::declval<const month_day>().month())); 31 32 static_assert( month_day{}.month() == month{}, ""); 33 34 for (unsigned i = 1; i <= 50; ++i) 35 { 36 month_day md(month{i}, day{1}); 37 assert( static_cast<unsigned>(md.month()) == i); 38 } 39 40 return 0; 41 } 42