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 weekday_last; 13 14 // explicit constexpr weekday_last(const chrono::weekday& wd) noexcept; 15 // 16 // Effects: Constructs an object of type weekday_last by initializing wd_ with wd. 17 // 18 // constexpr chrono::weekday weekday() 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 weekday = std::chrono::weekday; 30 using weekday_last = std::chrono::weekday_last; 31 32 ASSERT_NOEXCEPT(weekday_last{weekday{}}); 33 34 constexpr weekday_last wdl0{weekday{}}; 35 static_assert( wdl0.weekday() == weekday{}, ""); 36 static_assert( wdl0.ok(), ""); 37 38 constexpr weekday_last wdl1 {weekday{1}}; 39 static_assert( wdl1.weekday() == weekday{1}, ""); 40 static_assert( wdl1.ok(), ""); 41 42 for (unsigned i = 0; i <= 255; ++i) 43 { 44 weekday_last wdl{weekday{i}}; 45 assert(wdl.weekday() == weekday{i}); 46 } 47 } 48