text: //===----------------------------------------------------------------------===//
  //
  // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
  // See https://llvm.org/LICENSE.txt for license information.
  // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
  //
  //===----------------------------------------------------------------------===//
  // UNSUPPORTED: c++03, c++11, c++14, c++17
  
  // <chrono>
  // class year_month_weekday;
  
  // constexpr bool operator==(const year_month_weekday& x, const year_month_weekday& y) noexcept;
  //   Returns: x.year() == y.year() && x.month() == y.month() && x.weekday_indexed() == y.weekday_indexed()
  //
  
  
  #include <chrono>
  #include <type_traits>
  #include <cassert>
  
  #include "test_macros.h"
  #include "test_comparisons.h"
  
  int main(int, char**)
  {
      using year               = std::chrono::year;
      using month              = std::chrono::month;
      using weekday_indexed    = std::chrono::weekday_indexed;
      using weekday            = std::chrono::weekday;
      using year_month_weekday = std::chrono::year_month_weekday;
  
      AssertComparisons2AreNoexcept<year_month_weekday>();
      AssertComparisons2ReturnBool<year_month_weekday>();
  
      constexpr month January   = std::chrono::January;
      constexpr month February  = std::chrono::February;
      constexpr weekday Tuesday = std::chrono::Tuesday;
  
      static_assert( testComparisons2(
          year_month_weekday{year{1234}, January, weekday_indexed{Tuesday, 1}},
          year_month_weekday{year{1234}, January, weekday_indexed{Tuesday, 1}},
          true), "");
  
      // different day
      static_assert( testComparisons2(
          year_month_weekday{year{1234}, January, weekday_indexed{Tuesday, 1}},
          year_month_weekday{year{1234}, January, weekday_indexed{Tuesday, 2}},
          false), "");
  
      // different month
      static_assert( testComparisons2(
          year_month_weekday{year{1234}, January,  weekday_indexed{Tuesday, 1}},
          year_month_weekday{year{1234}, February, weekday_indexed{Tuesday, 1}},
          false), "");
  
      // different year
      static_assert( testComparisons2(
          year_month_weekday{year{1234}, January, weekday_indexed{Tuesday, 1}},
          year_month_weekday{year{1235}, January, weekday_indexed{Tuesday, 1}},
          false), "");
  
  
      // different month and day
      static_assert( testComparisons2(
          year_month_weekday{year{1234}, January,  weekday_indexed{Tuesday, 1}},
          year_month_weekday{year{1234}, February, weekday_indexed{Tuesday, 2}},
          false), "");
  
      // different year and month
      static_assert( testComparisons2(
          year_month_weekday{year{1234}, February, weekday_indexed{Tuesday, 1}},
          year_month_weekday{year{1235}, January,  weekday_indexed{Tuesday, 1}},
          false), "");
  
      // different year and day
      static_assert( testComparisons2(
          year_month_weekday{year{1234}, January, weekday_indexed{Tuesday, 2}},
          year_month_weekday{year{1235}, January, weekday_indexed{Tuesday, 1}},
          false), "");
  
      // different year, month and day
      static_assert( testComparisons2(
          year_month_weekday{year{1234}, February, weekday_indexed{Tuesday, 2}},
          year_month_weekday{year{1235}, January,  weekday_indexed{Tuesday, 1}},
          false), "");
  
  
      // same year, different days
      for (unsigned i = 1; i < 28; ++i)
          for (unsigned j = 1; j < 28; ++j)
              assert((testComparisons2(
                  year_month_weekday{year{1234}, January, weekday_indexed{Tuesday, i}},
                  year_month_weekday{year{1234}, January, weekday_indexed{Tuesday, j}},
                  i == j)));
  
      // same year, different months
      for (unsigned i = 1; i < 12; ++i)
          for (unsigned j = 1; j < 12; ++j)
              assert((testComparisons2(
                  year_month_weekday{year{1234}, month{i}, weekday_indexed{Tuesday, 1}},
                  year_month_weekday{year{1234}, month{j}, weekday_indexed{Tuesday, 1}},
                  i == j)));
  
      // same month, different years
      for (int i = 1000; i < 2000; ++i)
          for (int j = 1000; j < 2000; ++j)
          assert((testComparisons2(
              year_month_weekday{year{i}, January, weekday_indexed{Tuesday, 1}},
              year_month_weekday{year{j}, January, weekday_indexed{Tuesday, 1}},
              i == j)));
  
      return 0;
  }
  