mirror of
https://github.com/HowardHinnant/date.git
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121 lines
4.7 KiB
C++
121 lines
4.7 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 weeknum
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// {
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// unsigned char wn_;
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//
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// public:
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// explicit constexpr weeknum(unsigned wn) noexcept;
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//
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// weeknum& operator++() noexcept;
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// weeknum operator++(int) noexcept;
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// weeknum& operator--() noexcept;
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// weeknum operator--(int) noexcept;
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//
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// weeknum& operator+=(const weeks& y) noexcept;
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// weeknum& operator-=(const weeks& y) noexcept;
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//
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// constexpr explicit operator unsigned() 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 weeknum& x, const weeknum& y) noexcept;
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// constexpr bool operator!=(const weeknum& x, const weeknum& y) noexcept;
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// constexpr bool operator< (const weeknum& x, const weeknum& y) noexcept;
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// constexpr bool operator> (const weeknum& x, const weeknum& y) noexcept;
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// constexpr bool operator<=(const weeknum& x, const weeknum& y) noexcept;
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// constexpr bool operator>=(const weeknum& x, const weeknum& y) noexcept;
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//
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// constexpr weeknum operator+(const weeknum& x, const weeks& y) noexcept;
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// constexpr weeknum operator+(const weeks& x, const weeknum& y) noexcept;
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// constexpr weeknum operator-(const weeknum& x, const weeks& y) noexcept;
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// constexpr weeks operator-(const weeknum& x, const weeknum& y) noexcept;
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//
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// std::ostream& operator<<(std::ostream& os, const weeknum& wn);
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//
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// constexpr weeknum operator "" _w(unsigned long long wn) noexcept;
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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::weeknum>{}, "");
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static_assert(!std::is_default_constructible<iso_week::weeknum>{}, "");
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static_assert( std::is_trivially_copy_constructible<iso_week::weeknum>{}, "");
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static_assert( std::is_trivially_copy_assignable<iso_week::weeknum>{}, "");
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static_assert( std::is_trivially_move_constructible<iso_week::weeknum>{}, "");
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static_assert( std::is_trivially_move_assignable<iso_week::weeknum>{}, "");
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static_assert(std::is_trivially_copyable<iso_week::weeknum>{}, "");
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static_assert(std::is_standard_layout<iso_week::weeknum>{}, "");
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static_assert( std::is_nothrow_constructible<iso_week::weeknum, unsigned>{}, "");
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static_assert(!std::is_convertible<unsigned, iso_week::weeknum>{}, "");
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static_assert( std::is_nothrow_constructible<unsigned, iso_week::weeknum>{}, "");
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static_assert(!std::is_convertible<iso_week::weeknum, unsigned>{}, "");
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static_assert(static_cast<unsigned>(iso_week::weeknum{3}) == 3, "");
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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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using namespace std::chrono;
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static_assert(weeknum{2} == 2_w, "");
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static_assert(unsigned{weeknum{2}} == 2, "");
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static_assert(unsigned{weeknum{3}} == 3, "");
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static_assert(weeknum{2} != 3_w, "");
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static_assert(weeknum{2} < 3_w, "");
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static_assert(weeknum{3} > 2_w, "");
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static_assert(weeknum{2} <= 2_w, "");
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static_assert(weeknum{3} >= 2_w, "");
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auto wn = weeknum{4};
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assert(++wn == weeknum{5});
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assert(wn == weeknum{5});
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assert(wn++ == weeknum{5});
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assert(wn == weeknum{6});
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assert(--wn == weeknum{5});
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assert(wn == weeknum{5});
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assert(wn-- == weeknum{5});
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assert(wn == weeknum{4});
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static_assert(!weeknum{0}.ok(), "");
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static_assert( weeknum{1}.ok(), "");
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static_assert( weeknum{53}.ok(), "");
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static_assert(!weeknum{54}.ok(), "");
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static_assert(15_w - 10_w == weeks{5}, "");
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static_assert(15_w - weeks{5} == 10_w, "");
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static_assert(15_w == weeks{5} + 10_w, "");
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static_assert(15_w == 10_w + weeks{5}, "");
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static_assert(10_w - 15_w == -weeks{5}, "");
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auto w = 5_w;
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std::ostringstream os;
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os << w;
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assert(os.str() == "W05");
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}
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