libcxx/test/std/time/time.cal/time.cal.ymd/time.cal.ymd.members/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 year_month_day;
  12
  13 //  year_month_day() = default;
  14 //  constexpr year_month_day(const chrono::year& y, const chrono::month& m,
  15 //                                   const chrono::day& d) noexcept;
  16 //
  17 //  Effects:  Constructs an object of type year_month_day by initializing
  18 //                y_ with y, m_ with m, and d_ with d.
  19 //
  20 //  constexpr chrono::year   year() const noexcept;
  21 //  constexpr chrono::month month() const noexcept;
  22 //  constexpr chrono::day     day() const noexcept;
  23 //  constexpr bool             ok() const noexcept;
  24
  25 #include <chrono>
  26 #include <type_traits>
  27 #include <cassert>
  28
  29 #include "test_macros.h"
  30
  31 int main(int, char**)
  32 {
  33     using year           = std::chrono::year;
  34     using month          = std::chrono::month;
  35     using day            = std::chrono::day;
  36     using year_month_day = std::chrono::year_month_day;
  37
  38     ASSERT_NOEXCEPT(year_month_day{});
  39     ASSERT_NOEXCEPT(year_month_day{year{1}, month{1}, day{1}});
  40
  41     constexpr month January = std::chrono::January;
  42
  43     constexpr year_month_day ym0{};
  44     static_assert( ym0.year()  == year{},  "");
  45     static_assert( ym0.month() == month{}, "");
  46     static_assert( ym0.day()   == day{},   "");
  47     static_assert(!ym0.ok(),               "");
  48
  49     constexpr year_month_day ym1{year{2019}, January, day{12}};
  50     static_assert( ym1.year()  == year{2019}, "");
  51     static_assert( ym1.month() == January,    "");
  52     static_assert( ym1.day()   == day{12},    "");
  53     static_assert( ym1.ok(),                  "");
  54
  55
  56   return 0;
  57 }