libstdc++-v3/testsuite/std/time/month_day_last/1.cc

   1 // { dg-options "-std=gnu++2a" }
   2 // { dg-do compile { target c++2a } }
   3
   4 // Copyright (C) 2020-2022 Free Software Foundation, Inc.
   5 //
   6 // This file is part of the GNU ISO C++ Library.  This library is free
   7 // software; you can redistribute it and/or modify it under the
   8 // terms of the GNU General Public License as published by the
   9 // Free Software Foundation; either version 3, or (at your option)
  10 // any later version.
  11
  12 // This library is distributed in the hope that it will be useful,
  13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 // GNU General Public License for more details.
  16
  17 // You should have received a copy of the GNU General Public License along
  18 // with this library; see the file COPYING3.  If not see
  19 // <http://www.gnu.org/licenses/>.
  20
  21 // Class template day [time.cal.month_day_last]
  22
  23 #include <chrono>
  24
  25 constexpr void
  26 constexpr_month_day_last()
  27 {
  28   using namespace std::chrono;
  29   using mdl = month_day_last;
  30
  31   constexpr auto mdl0 = February / last;
  32   static_assert(mdl0.month() == February);
  33
  34   constexpr auto mdl1 = month_day_last{month{3}};
  35   static_assert(mdl1.month() == month{3});
  36
  37   static_assert( mdl{month{3}}.ok());
  38   static_assert(!mdl{month{0}}.ok());
  39   static_assert(!mdl{month{13}}.ok());
  40
  41   static_assert( (mdl{month{1}} == mdl{month{1}}));
  42   static_assert(!(mdl{month{2}} != mdl{month{2}}));
  43   static_assert(!(mdl{month{3}} <  mdl{month{3}}));
  44   static_assert(!(mdl{month{4}} >  mdl{month{4}}));
  45   static_assert( (mdl{month{5}} <= mdl{month{5}}));
  46   static_assert( (mdl{month{6}} >= mdl{month{6}}));
  47   static_assert( (mdl{month{10}} == mdl{month{10}}));
  48   static_assert( (mdl{month{9}} != mdl{month{10}}));
  49   static_assert( (mdl{month{8}} < mdl{month{10}}));
  50   static_assert( (mdl{month{11}} > mdl{month{10}}));
  51   static_assert( (mdl{month{10}} <= mdl{month{10}}));
  52   static_assert( (mdl{month{10}} >= mdl{month{10}}));
  53
  54   static_assert( (mdl{month{1}} <=> mdl{month{1}})
  55                 == std::strong_ordering::equal);
  56   static_assert( (mdl{month{11}} <=> mdl{month{10}})
  57                 == std::strong_ordering::greater);
  58   static_assert( (mdl{month{8}} <=> mdl{month{10}})
  59                 == std::strong_ordering::less);
  60
  61   static_assert(August/last == mdl{month{8}});
  62   static_assert(8/last == mdl{month{8}});
  63   static_assert(last/August == mdl{month{8}});
  64   static_assert(last/8 == mdl{month{8}});
  65 }