libcxx/test/std/time/time.cal/time.cal.wdlast/time.cal.wdlast.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 weekday_last;
  12
  13 //  explicit constexpr weekday_last(const chrono::weekday& wd) noexcept;
  14 //
  15 //  Effects: Constructs an object of type weekday_last by initializing wd_ with wd.
  16 //
  17 //  constexpr chrono::weekday weekday() 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 weekday      = std::chrono::weekday;
  29     using weekday_last = std::chrono::weekday_last;
  30
  31     ASSERT_NOEXCEPT(weekday_last{weekday{}});
  32
  33     constexpr weekday_last wdl0{weekday{}};
  34     static_assert( wdl0.weekday() == weekday{}, "");
  35     static_assert( wdl0.ok(),                   "");
  36
  37     constexpr weekday_last wdl1 {weekday{1}};
  38     static_assert( wdl1.weekday() == weekday{1}, "");
  39     static_assert( wdl1.ok(),                    "");
  40
  41     for (unsigned i = 0; i <= 255; ++i)
  42     {
  43         weekday_last wdl{weekday{i}};
  44         assert(wdl.weekday() == weekday{i});
  45     }
  46
  47   return 0;
  48 }