mirror of
https://github.com/HowardHinnant/date.git
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97 lines
4.0 KiB
C++
97 lines
4.0 KiB
C++
// The MIT License (MIT)
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//
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// Copyright (c) 2015, 2016 Howard Hinnant
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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// class year_lastweek
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// {
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// iso_week::year y_;
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//
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// public:
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// explicit constexpr year_lastweek(const iso_week::year& y) noexcept;
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//
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// constexpr iso_week::year year() const noexcept;
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// constexpr iso_week::weeknum weeknum() const noexcept;
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//
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// year_lastweek& operator+=(const years& dy) noexcept;
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// year_lastweek& operator-=(const years& dy) noexcept;
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//
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// constexpr bool ok() const noexcept;
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// };
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//
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// constexpr bool operator==(const year_lastweek& x, const year_lastweek& y) noexcept;
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// constexpr bool operator!=(const year_lastweek& x, const year_lastweek& y) noexcept;
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// constexpr bool operator< (const year_lastweek& x, const year_lastweek& y) noexcept;
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// constexpr bool operator> (const year_lastweek& x, const year_lastweek& y) noexcept;
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// constexpr bool operator<=(const year_lastweek& x, const year_lastweek& y) noexcept;
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// constexpr bool operator>=(const year_lastweek& x, const year_lastweek& y) noexcept;
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//
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// constexpr year_lastweek operator+(const year_lastweek& ym, const years& dy) noexcept;
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// constexpr year_lastweek operator+(const years& dy, const year_lastweek& ym) noexcept;
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// constexpr year_lastweek operator-(const year_lastweek& ym, const years& dy) noexcept;
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//
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// std::ostream& operator<<(std::ostream& os, const year_lastweek& ym);
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#include "iso_week.h"
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#include <cassert>
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#include <sstream>
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#include <type_traits>
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static_assert( std::is_trivially_destructible<iso_week::year_lastweek>{}, "");
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static_assert(!std::is_default_constructible<iso_week::year_lastweek>{}, "");
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static_assert( std::is_trivially_copy_constructible<iso_week::year_lastweek>{}, "");
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static_assert( std::is_trivially_copy_assignable<iso_week::year_lastweek>{}, "");
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static_assert( std::is_trivially_move_constructible<iso_week::year_lastweek>{}, "");
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static_assert( std::is_trivially_move_assignable<iso_week::year_lastweek>{}, "");
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static_assert(std::is_trivially_copyable<iso_week::year_lastweek>{}, "");
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static_assert(std::is_standard_layout<iso_week::year_lastweek>{}, "");
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static_assert(std::is_nothrow_constructible<iso_week::year_lastweek,
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iso_week::year>{}, "");
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static_assert(!std::is_convertible<iso_week::year, iso_week::year_lastweek>{}, "");
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int
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main()
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{
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using namespace iso_week;
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constexpr auto y_wn = year_lastweek{2015_y};
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static_assert(y_wn.year() == 2015_y, "");
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static_assert(y_wn.weeknum() == 53_w, "");
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static_assert(year_lastweek{2016_y}.weeknum() == 52_w, "");
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static_assert(y_wn.ok(), "");
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static_assert(y_wn == year_lastweek{2015_y}, "");
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static_assert(!(y_wn != year_lastweek{2015_y}), "");
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static_assert(y_wn < year_lastweek{2016_y}, "");
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auto y_wn2 = y_wn + years{2};
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assert(y_wn2 == year_lastweek{2017_y});
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y_wn2 -= years{1};
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assert(y_wn2 == year_lastweek{2016_y});
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std::ostringstream os;
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os << y_wn;
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assert(os.str() == "2015-W last");
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}
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