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 month_day_last; 13 14 // constexpr month_day_last(const chrono::month& m) noexcept; 15 // 16 // Effects: Constructs an object of type month_day_last by initializing m_ with m 17 // 18 // constexpr chrono::month month() const noexcept; 19 // constexpr bool ok() const noexcept; 20 21 #include <chrono> 22 #include <type_traits> 23 #include <cassert> 24 25 #include "test_macros.h" 26 main()27int main() 28 { 29 using month = std::chrono::month; 30 using month_day_last = std::chrono::month_day_last; 31 32 ASSERT_NOEXCEPT(month_day_last{month{1}}); 33 34 constexpr month_day_last md0{month{}}; 35 static_assert( md0.month() == month{}, ""); 36 static_assert(!md0.ok(), ""); 37 38 constexpr month_day_last md1{std::chrono::January}; 39 static_assert( md1.month() == std::chrono::January, ""); 40 static_assert( md1.ok(), ""); 41 } 42