mirror of
https://github.com/HowardHinnant/date.git
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119 lines
5.1 KiB
C++
119 lines
5.1 KiB
C++
// The MIT License (MIT)
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//
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// Copyright (c) 2015 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_weekday
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// {
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// public:
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// constexpr year_lastweek_weekday(const iso_week::year& y,
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// const iso_week::weekday& wd) noexcept;
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//
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// year_lastweek_weekday& operator+=(const years& y) noexcept;
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// year_lastweek_weekday& operator-=(const years& 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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// constexpr iso_week::weekday weekday() const noexcept;
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//
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// constexpr operator sys_days() const noexcept;
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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_weekday& x, const year_lastweek_weekday& y) noexcept;
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// constexpr bool operator!=(const year_lastweek_weekday& x, const year_lastweek_weekday& y) noexcept;
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// constexpr bool operator< (const year_lastweek_weekday& x, const year_lastweek_weekday& y) noexcept;
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// constexpr bool operator> (const year_lastweek_weekday& x, const year_lastweek_weekday& y) noexcept;
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// constexpr bool operator<=(const year_lastweek_weekday& x, const year_lastweek_weekday& y) noexcept;
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// constexpr bool operator>=(const year_lastweek_weekday& x, const year_lastweek_weekday& y) noexcept;
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//
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// constexpr year_lastweek_weekday operator+(const year_lastweek_weekday& x, const years& y) noexcept;
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// constexpr year_lastweek_weekday operator+(const years& y, const year_lastweek_weekday& x) noexcept;
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// constexpr year_lastweek_weekday operator-(const year_lastweek_weekday& x, const years& y) noexcept;
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//
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// std::ostream& operator<<(std::ostream& os, const year_lastweek_weekday& x);
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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_weekday>{}, "");
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static_assert(!std::is_default_constructible<iso_week::year_lastweek_weekday>{}, "");
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static_assert( std::is_trivially_copy_constructible<iso_week::year_lastweek_weekday>{}, "");
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static_assert( std::is_trivially_copy_assignable<iso_week::year_lastweek_weekday>{}, "");
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static_assert( std::is_trivially_move_constructible<iso_week::year_lastweek_weekday>{}, "");
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static_assert( std::is_trivially_move_assignable<iso_week::year_lastweek_weekday>{}, "");
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static_assert(std::is_trivially_copyable<iso_week::year_lastweek_weekday>{}, "");
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static_assert(std::is_standard_layout<iso_week::year_lastweek_weekday>{}, "");
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static_assert(std::is_literal_type<iso_week::year_lastweek_weekday>{}, "");
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static_assert( std::is_nothrow_constructible<iso_week::year_lastweek_weekday,
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iso_week::year, iso_week::weekday>{}, "");
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static_assert( std::is_nothrow_constructible<iso_week::sys_days,
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iso_week::year_lastweek_weekday>{}, "");
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static_assert( std::is_convertible<iso_week::year_lastweek_weekday,
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iso_week::sys_days>{}, "");
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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 x0 = year_lastweek_weekday{2015_y, tue};
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static_assert(x0.year() == 2015_y, "");
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static_assert(x0.weeknum() == 53_w, "");
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static_assert(x0.weekday() == tue, "");
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auto x3 = x0;
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x3 += years{2};
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assert(x3.year() == 2017_y);
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assert(x3.weeknum() == 52_w);
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assert(x3.weekday() == tue);
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x3 -= years{1};
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assert(x3.year() == 2016_y);
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assert(x3.weeknum() == 52_w);
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assert(x3.weekday() == tue);
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x3 -= years{1};
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assert(x3.year() == 2015_y);
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assert(x3.weeknum() == 53_w);
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assert(x3.weekday() == tue);
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constexpr sys_days dp = 2015_y/last/wed;
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static_assert(dp == sys_days{days{16799}}, "");
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static_assert(x0.ok(), "");
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assert(x3.ok());
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static_assert(2015_y/last/mon < 2015_y/last/sun, "");
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static_assert(x0 + years{3} == 2018_y/last/tue, "");
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static_assert(years{3} + x0 == 2018_y/last/tue, "");
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static_assert(x0 - years{3} == 2012_y/last/tue, "");
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std::ostringstream os;
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os << x0;
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assert(os.str() == "2015-W last-Tue");
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}
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