mirror of
https://github.com/HowardHinnant/date.git
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148 lines
5.8 KiB
C++
148 lines
5.8 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
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// {
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// public:
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// explicit constexpr year(int y) noexcept;
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//
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// year& operator++() noexcept;
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// year operator++(int) noexcept;
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// year& operator--() noexcept;
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// year operator--(int) noexcept;
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//
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// year& operator+=(const years& y) noexcept;
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// year& operator-=(const years& y) noexcept;
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//
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// constexpr bool is_leap() const noexcept;
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//
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// constexpr explicit operator int() const noexcept;
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// constexpr bool ok() const noexcept;
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//
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// static constexpr year min() noexcept;
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// static constexpr year max() noexcept;
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// };
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// constexpr bool operator==(const year& x, const year& y) noexcept;
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// constexpr bool operator!=(const year& x, const year& y) noexcept;
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// constexpr bool operator< (const year& x, const year& y) noexcept;
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// constexpr bool operator> (const year& x, const year& y) noexcept;
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// constexpr bool operator<=(const year& x, const year& y) noexcept;
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// constexpr bool operator>=(const year& x, const year& y) noexcept;
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// constexpr year operator+(const year& x, const years& y) noexcept;
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// constexpr year operator+(const years& x, const year& y) noexcept;
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// constexpr year operator-(const year& x, const years& y) noexcept;
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// constexpr years operator-(const year& x, const year& y) noexcept;
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// constexpr year operator "" _y(unsigned long long y) noexcept;
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// std::ostream& operator<<(std::ostream& os, const year& y);
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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>{}, "");
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static_assert( std::is_default_constructible<date::year>{}, "");
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static_assert( std::is_trivially_copy_constructible<date::year>{}, "");
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static_assert( std::is_trivially_copy_assignable<date::year>{}, "");
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static_assert( std::is_trivially_move_constructible<date::year>{}, "");
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static_assert( std::is_trivially_move_assignable<date::year>{}, "");
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static_assert( std::is_nothrow_constructible<date::year, int>{}, "");
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static_assert(!std::is_convertible<int, date::year>{}, "");
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static_assert( std::is_nothrow_constructible<int, date::year>{}, "");
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static_assert(!std::is_convertible<date::year, int>{}, "");
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static_assert(static_cast<int>(date::year{-1}) == -1, "");
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template <class Rep0, class Rep, class Period>
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constexpr
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inline
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std::chrono::duration<Rep0, Period>
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as(std::chrono::duration<Rep, Period> d)
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{
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return d;
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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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using namespace std::chrono;
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using date::year;
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static_assert(year{2015} == 2015_y, "");
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static_assert(year{2015} != 2016_y, "");
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static_assert(year{2015} < 2016_y, "");
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static_assert(year{2016} > 2015_y, "");
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static_assert(year{2015} <= 2015_y, "");
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static_assert(year{2016} >= 2015_y, "");
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static_assert(!year{2015}.is_leap(), "");
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static_assert( year{2016}.is_leap(), "");
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static_assert(year::min().ok(), "");
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static_assert(year{2015}.ok(), "");
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static_assert(year{2016}.ok(), "");
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static_assert(year::max().ok(), "");
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#if __cplusplus >= 201402
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using std::int64_t;
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static_assert(sys_days(year::min()/jan/1) - sys_days(1970_y/jan/1)
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>= as<int64_t>(days::min()), "");
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static_assert(sys_days(year::min()/jan/1) - sys_days(1970_y/jan/1)
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>= as<int64_t>(hours::min()), "");
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static_assert(sys_days(year::min()/jan/1) - sys_days(1970_y/jan/1)
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>= as<int64_t>(minutes::min()), "");
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static_assert(sys_days(year::min()/jan/1) - sys_days(1970_y/jan/1)
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>= as<int64_t>(seconds::min()), "");
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static_assert(sys_days(year::min()/jan/1) - sys_days(1970_y/jan/1)
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>= as<int64_t>(milliseconds::min()), "");
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static_assert(sys_days(year::min()/jan/1) - sys_days(1970_y/jan/1)
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>= as<int64_t>(microseconds::min()), "");
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static_assert(sys_days(year::max()/dec/31) - sys_days(1970_y/jan/1)
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<= as<int64_t>(microseconds::max()), "");
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static_assert(sys_days(year::max()/dec/31) - sys_days(1970_y/jan/1)
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<= as<int64_t>(milliseconds::max()), "");
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static_assert(sys_days(year::max()/dec/31) - sys_days(1970_y/jan/1)
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<= as<int64_t>(seconds::max()), "");
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static_assert(sys_days(year::max()/dec/31) - sys_days(1970_y/jan/1)
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<= as<int64_t>(minutes::max()), "");
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static_assert(sys_days(year::max()/dec/31) - sys_days(1970_y/jan/1)
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<= as<int64_t>(hours::max()), "");
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static_assert(sys_days(year::max()/dec/31) - sys_days(1970_y/jan/1)
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<= as<int64_t>(days::max()), "");
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#endif
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static_assert(2015_y - 2010_y == years{5}, "");
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static_assert(2015_y - years{5} == 2010_y, "");
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static_assert(2015_y == years{5} + 2010_y, "");
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static_assert(2015_y == 2010_y + years{5}, "");
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auto y = 2015_y;
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std::ostringstream os;
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os << y;
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assert(os.str() == "2015");
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}
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