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63 lines
2.4 KiB
C++
63 lines
2.4 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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// durations
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//
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// using days = std::chrono::duration
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// <int, std::ratio_multiply<std::ratio<24>, std::chrono::hours::period>>;
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//
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// using weeks = std::chrono::duration
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// <int, std::ratio_multiply<std::ratio<7>, days::period>>;
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//
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// using years = std::chrono::duration
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// <int, std::ratio_multiply<std::ratio<146097, 400>, days::period>>;
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//
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// using months = std::chrono::duration
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// <int, std::ratio_divide<years::period, std::ratio<12>>>;
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//
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// time_point
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//
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// using sys_days = std::chrono::time_point<std::chrono::system_clock, days>;
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#include "date.h"
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#include <type_traits>
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static_assert(date::days{1} == std::chrono::hours{24}, "");
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static_assert(date::weeks{1} == date::days{7}, "");
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static_assert(date::months{12} == date::years{1}, "");
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static_assert(date::days{30} < date::months{1} && date::months{1} < date::days{31}, "");
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static_assert(date::weeks{4} < date::months{1} && date::months{1} < date::weeks{5}, "");
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static_assert(date::years{400} == date::days{146097}, "");
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static_assert(date::days{365} < date::years{1} && date::years{1} < date::days{366}, "");
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static_assert(date::weeks{52} < date::years{1} && date::years{1} < date::weeks{53}, "");
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static_assert(std::is_same<date::sys_days::duration, date::days>{}, "");
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int
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main()
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{
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}
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