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_weekday_last; 13 14 // constexpr month_weekday_last(const chrono::month& m, 15 // const chrono::weekday_last& wdl) noexcept; 16 // 17 // Effects: Constructs an object of type month_weekday_last by 18 // initializing m_ with m, and wdl_ with wdl. 19 // 20 // constexpr chrono::month month() const noexcept; 21 // constexpr chrono::weekday_last weekday_last() const noexcept; 22 // constexpr bool ok() const noexcept; 23 24 25 #include <chrono> 26 #include <type_traits> 27 #include <cassert> 28 29 #include "test_macros.h" 30 31 int main() 32 { 33 using month = std::chrono::month; 34 using weekday = std::chrono::weekday; 35 using weekday_last = std::chrono::weekday_last; 36 using month_weekday_last = std::chrono::month_weekday_last; 37 38 constexpr month January = std::chrono::January; 39 constexpr weekday Tuesday = std::chrono::Tuesday; 40 41 ASSERT_NOEXCEPT(month_weekday_last{January, weekday_last{Tuesday}}); 42 43 // bad month 44 constexpr month_weekday_last mwdl1{month{}, weekday_last{Tuesday}}; 45 static_assert( mwdl1.month() == month{}, ""); 46 static_assert( mwdl1.weekday_last() == weekday_last{Tuesday}, ""); 47 static_assert(!mwdl1.ok(), ""); 48 49 // bad weekday_last 50 constexpr month_weekday_last mwdl2{January, weekday_last{weekday{16}}}; 51 static_assert( mwdl2.month() == January, ""); 52 static_assert( mwdl2.weekday_last() == weekday_last{weekday{16}}, ""); 53 static_assert(!mwdl2.ok(), ""); 54 55 // Good month and weekday_last 56 constexpr month_weekday_last mwdl3{January, weekday_last{weekday{4}}}; 57 static_assert( mwdl3.month() == January, ""); 58 static_assert( mwdl3.weekday_last() == weekday_last{weekday{4}}, ""); 59 static_assert( mwdl3.ok(), ""); 60 } 61
