test/std/utilities/time/time.cal/time.cal.ymwdlast/time.cal.ymwdlast.members/year.pass.cpp

   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_weekday_last;
  13
  14 // constexpr chrono::year year() const noexcept;
  15 //  Returns: d_
  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 weekday                 = std::chrono::weekday;
  28     using weekday_last            = std::chrono::weekday_last;
  29     using year_month_weekday_last = std::chrono::year_month_weekday_last;
  30
  31     ASSERT_NOEXCEPT(                std::declval<const year_month_weekday_last>().year());
  32     ASSERT_SAME_TYPE(year, decltype(std::declval<const year_month_weekday_last>().year()));
  33
  34     static_assert( year_month_weekday_last{year{}, month{}, weekday_last{weekday{}}}.year() == year{}, "");
  35
  36     for (int i = 1; i <= 50; ++i)
  37     {
  38         year_month_weekday_last ymwdl(year{i}, month{1}, weekday_last{weekday{}});
  39         assert(static_cast<int>(ymwdl.year()) == i);
  40     }
  41 }