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 // year_month_day() = default; 15 // constexpr year_month_day(const chrono::year& y, const chrono::month& m, 16 // const chrono::day& d) noexcept; 17 // 18 // Effects: Constructs an object of type year_month_day by initializing 19 // y_ with y, m_ with m, and d_ with d. 20 // 21 // constexpr chrono::year year() const noexcept; 22 // constexpr chrono::month month() const noexcept; 23 // constexpr chrono::day day() const noexcept; 24 // constexpr bool ok() const noexcept; 25 26 #include <chrono> 27 #include <type_traits> 28 #include <cassert> 29 30 #include "test_macros.h" 31 32 int main() 33 { 34 using year = std::chrono::year; 35 using month = std::chrono::month; 36 using day = std::chrono::day; 37 using year_month_day = std::chrono::year_month_day; 38 39 ASSERT_NOEXCEPT(year_month_day{}); 40 ASSERT_NOEXCEPT(year_month_day{year{1}, month{1}, day{1}}); 41 42 constexpr month January = std::chrono::January; 43 44 constexpr year_month_day ym0{}; 45 static_assert( ym0.year() == year{}, ""); 46 static_assert( ym0.month() == month{}, ""); 47 static_assert( ym0.day() == day{}, ""); 48 static_assert(!ym0.ok(), ""); 49 50 constexpr year_month_day ym1{year{2019}, January, day{12}}; 51 static_assert( ym1.year() == year{2019}, ""); 52 static_assert( ym1.month() == January, ""); 53 static_assert( ym1.day() == day{12}, ""); 54 static_assert( ym1.ok(), ""); 55 56 } 57
