libcxx/test/std/time/time.cal/time.cal.mdlast/ctor.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 month_day_last;
  12
  13 //  constexpr month_day_last(const chrono::month& m) noexcept;
  14 //
  15 //  Effects:  Constructs an object of type month_day_last by initializing m_ with m
  16 //
  17 //  constexpr chrono::month month() const noexcept;
  18 //  constexpr bool             ok() const noexcept;
  19
  20 #include <chrono>
  21 #include <type_traits>
  22 #include <cassert>
  23
  24 #include "test_macros.h"
  25
  26 int main(int, char**)
  27 {
  28     using month     = std::chrono::month;
  29     using month_day_last = std::chrono::month_day_last;
  30
  31     ASSERT_NOEXCEPT(month_day_last{month{1}});
  32
  33     constexpr month_day_last md0{month{}};
  34     static_assert( md0.month() == month{}, "");
  35     static_assert(!md0.ok(),               "");
  36
  37     constexpr month_day_last md1{std::chrono::January};
  38     static_assert( md1.month() == std::chrono::January, "");
  39     static_assert( md1.ok(),                            "");
  40
  41   return 0;
  42 }