ok.pass.cpp (1873B)
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_last; 13 14 // constexpr bool ok() const noexcept; 15 // Returns: m_.ok() && y_.ok(). 16 17 #include <chrono> 18 #include <type_traits> 19 #include <cassert> 20 21 #include "test_macros.h" 22 23 int main() 24 { 25 using year = std::chrono::year; 26 using month = std::chrono::month; 27 using month_day_last = std::chrono::month_day_last; 28 using year_month_day_last = std::chrono::year_month_day_last; 29 30 constexpr month January = std::chrono::January; 31 32 ASSERT_NOEXCEPT( std::declval<const year_month_day_last>().ok()); 33 ASSERT_SAME_TYPE(bool, decltype(std::declval<const year_month_day_last>().ok())); 34 35 static_assert(!year_month_day_last{year{-32768}, month_day_last{month{}}}.ok(), ""); // both bad 36 static_assert(!year_month_day_last{year{-32768}, month_day_last{January}}.ok(), ""); // Bad year 37 static_assert(!year_month_day_last{year{2019}, month_day_last{month{}}}.ok(), ""); // Bad month 38 static_assert( year_month_day_last{year{2019}, month_day_last{January}}.ok(), ""); // All OK 39 40 for (unsigned i = 0; i <= 50; ++i) 41 { 42 year_month_day_last ym{year{2019}, month_day_last{month{i}}}; 43 assert( ym.ok() == month{i}.ok()); 44 } 45 46 const int ymax = static_cast<int>(year::max()); 47 for (int i = ymax - 100; i <= ymax + 100; ++i) 48 { 49 year_month_day_last ym{year{i}, month_day_last{January}}; 50 assert( ym.ok() == year{i}.ok()); 51 } 52 }