libcxx/test/std/time/time.cal/time.cal.mdlast/comparisons.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 bool operator==(const month_day& x, const month_day& y) noexcept;
  14 //   Returns: x.month() == y.month()
  15 //
  16 // constexpr bool operator< (const month_day& x, const month_day& y) noexcept;
  17 //   Returns: x.month() < y.month()
  18
  19
  20 #include <chrono>
  21 #include <type_traits>
  22 #include <cassert>
  23
  24 #include "test_macros.h"
  25 #include "test_comparisons.h"
  26
  27 int main(int, char**)
  28 {
  29     using month          = std::chrono::month;
  30     using month_day_last = std::chrono::month_day_last;
  31
  32     AssertComparisonsAreNoexcept<month_day_last>();
  33     AssertComparisonsReturnBool<month_day_last>();
  34
  35     static_assert( testComparisonsValues<month_day_last>(month{1}, month{1}), "");
  36     static_assert( testComparisonsValues<month_day_last>(month{1}, month{2}), "");
  37
  38     // same day, different months
  39     for (unsigned i = 1; i <= 12; ++i)
  40         for (unsigned j = 1; j <= 12; ++j)
  41             assert(testComparisonsValues<month_day_last>(month{i}, month{j}));
  42
  43     return 0;
  44 }