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54 lines
2.2 KiB
C++
54 lines
2.2 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// UNSUPPORTED: c++98, c++03, c++11, c++14, c++17
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// <chrono>
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// class year_month_day_last;
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// constexpr year_month_day_last(const chrono::year& y,
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// const chrono::month_day_last& mdl) noexcept;
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//
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// Effects: Constructs an object of type year_month_day_last by initializing
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// initializing y_ with y and mdl_ with mdl.
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//
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// constexpr chrono::year year() const noexcept;
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// constexpr chrono::month month() const noexcept;
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// constexpr chrono::month_day_last month_day_last() const noexcept;
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// constexpr bool ok() const noexcept;
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#include <chrono>
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#include <type_traits>
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#include <cassert>
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#include "test_macros.h"
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int main()
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{
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using year = std::chrono::year;
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using month = std::chrono::month;
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using month_day_last = std::chrono::month_day_last;
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using year_month_day_last = std::chrono::year_month_day_last;
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ASSERT_NOEXCEPT(year_month_day_last{year{1}, month_day_last{month{1}}});
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constexpr month January = std::chrono::January;
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constexpr year_month_day_last ymdl0{year{}, month_day_last{month{}}};
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static_assert( ymdl0.year() == year{}, "");
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static_assert( ymdl0.month() == month{}, "");
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static_assert( ymdl0.month_day_last() == month_day_last{month{}}, "");
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static_assert(!ymdl0.ok(), "");
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constexpr year_month_day_last ymdl1{year{2019}, month_day_last{January}};
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static_assert( ymdl1.year() == year{2019}, "");
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static_assert( ymdl1.month() == January, "");
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static_assert( ymdl1.month_day_last() == month_day_last{January}, "");
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static_assert( ymdl1.ok(), "");
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}
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