179 lines
6.7 KiB
C++
179 lines
6.7 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_month_weekday
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// {
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// public:
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// year_month_weekday() = default;
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// constexpr year_month_weekday(const date::year& y, const date::month& m,
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// const date::weekday_indexed& wdi) noexcept;
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// constexpr year_month_weekday(const sys_days& dp) noexcept;
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//
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// year_month_weekday& operator+=(const months& m) noexcept;
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// year_month_weekday& operator-=(const months& m) noexcept;
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// year_month_weekday& operator+=(const years& y) noexcept;
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// year_month_weekday& operator-=(const years& y) noexcept;
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//
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// constexpr date::year year() const noexcept;
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// constexpr date::month month() const noexcept;
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// constexpr date::weekday weekday() const noexcept;
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// constexpr unsigned index() const noexcept;
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// constexpr date::weekday_indexed weekday_indexed() 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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// private:
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// static constexpr year_month_weekday from_day_point(const sys_days& dp) noexcept;
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// };
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// constexpr
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// bool operator==(const year_month_weekday& x, const year_month_weekday& y) noexcept;
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// constexpr
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// bool operator!=(const year_month_weekday& x, const year_month_weekday& y) noexcept;
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// constexpr
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// year_month_weekday
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// operator+(const year_month_weekday& ymwd, const months& dm) noexcept;
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//
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// constexpr
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// year_month_weekday
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// operator+(const months& dm, const year_month_weekday& ymwd) noexcept;
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//
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// constexpr
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// year_month_weekday
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// operator+(const year_month_weekday& ymwd, const years& dy) noexcept;
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//
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// constexpr
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// year_month_weekday
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// operator+(const years& dy, const year_month_weekday& ymwd) noexcept;
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//
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// constexpr
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// year_month_weekday
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// operator-(const year_month_weekday& ymwd, const months& dm) noexcept;
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//
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// constexpr
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// year_month_weekday
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// operator-(const year_month_weekday& ymwd, const years& dy) noexcept;
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// std::ostream& operator<<(std::ostream& os, const year_month_weekday& ymwdi);
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#include "date.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<date::year_month_weekday>{}, "");
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static_assert( std::is_default_constructible<date::year_month_weekday>{}, "");
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static_assert( std::is_trivially_copy_constructible<date::year_month_weekday>{}, "");
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static_assert( std::is_trivially_copy_assignable<date::year_month_weekday>{}, "");
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static_assert( std::is_trivially_move_constructible<date::year_month_weekday>{}, "");
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static_assert( std::is_trivially_move_assignable<date::year_month_weekday>{}, "");
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static_assert(std::is_nothrow_constructible<date::year_month_weekday,
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date::year, date::month,
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date::weekday_indexed>{}, "");
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static_assert(std::is_nothrow_constructible<date::year_month_weekday,
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date::sys_days>{}, "");
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static_assert(std::is_convertible<date::sys_days, date::year_month_weekday>{}, "");
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static_assert(std::is_nothrow_constructible<date::sys_days,
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date::year_month_weekday>{}, "");
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static_assert(std::is_convertible<date::year_month_weekday, date::sys_days>{}, "");
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void
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test_arithmetic()
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{
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using namespace date;
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for (int y1 = 2010; y1 <= 2015; ++y1)
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{
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for (int m1 = 1; m1 <= 12; ++m1)
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{
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auto ymd1 = mon[2]/m1/y1;;
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auto ymd2 = ymd1 + months(24);
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assert(ymd2 == mon[2]/m1/(y1+2));
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ymd2 = ymd1 - months(24);
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assert(ymd2 == mon[2]/m1/(y1-2));
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for (int m2 = -24; m2 <= 24; ++m2)
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{
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months m{m2};
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auto ymd3 = ymd1 + m;
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months dm = year_month{ymd3.year(), ymd3.month()} -
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year_month{ymd2.year(), ymd2.month()};
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assert(dm == m + years{2});
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assert(ymd3 - m == ymd1);
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assert(ymd3 + -m == ymd1);
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assert(-m + ymd3 == ymd1);
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assert((year_month_weekday{ymd1} += m) == ymd3);
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assert((year_month_weekday{ymd3} -= m) == ymd1);
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}
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for (int y2 = -2; y2 <= 5; ++y2)
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{
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years y{y2};
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auto ymd3 = ymd1 + y;
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years dy = floor<years>(year_month{ymd3.year(), ymd3.month()} -
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year_month{ymd2.year(), ymd2.month()});
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assert(dy == y + years{2});
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assert(ymd3 - y == ymd1);
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assert(ymd3 + -y == ymd1);
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assert(-y + ymd3 == ymd1);
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assert((year_month_weekday{ymd1} += y) == ymd3);
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assert((year_month_weekday{ymd3} -= y) == ymd1);
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}
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}
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}
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}
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int
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main()
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{
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using namespace date;
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constexpr year_month_weekday ymdl1 = {2015_y, aug, weekday_indexed{fri, 2}};
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#if __cplusplus >= 201402
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static_assert(ymdl1.ok(), "");
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#endif
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static_assert(ymdl1.year() == 2015_y, "");
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static_assert(ymdl1.month() == aug, "");
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static_assert(ymdl1.weekday() == fri, "");
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static_assert(ymdl1.index() == 2u, "");
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static_assert(ymdl1.weekday_indexed() == fri[2], "");
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#if __cplusplus >= 201402
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constexpr sys_days dp = ymdl1;
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constexpr year_month_day ymd = dp;
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static_assert(ymd == 2015_y/aug/14, "");
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#endif
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constexpr year_month_weekday ymdl2 = sat[1]/aug/2015;
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static_assert(ymdl1 == ymdl1, "");
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static_assert(ymdl1 != ymdl2, "");
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test_arithmetic();
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std::ostringstream os;
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os << ymdl1;
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assert(os.str() == "2015/Aug/Fri[2]");
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}
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