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

   1 //===----------------------------------------------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8 // UNSUPPORTED: c++03, c++11, c++14, c++17
   9
  10 // <chrono>
  11 // class year_month_weekday_last;
  12
  13 // constexpr chrono::year year() const noexcept;
  14 //  Returns: d_
  15
  16 #include <chrono>
  17 #include <cassert>
  18 #include <type_traits>
  19 #include <utility>
  20
  21 #include "test_macros.h"
  22
  23 int main(int, char**)
  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
  42   return 0;
  43 }