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57 lines
1.9 KiB
C++
57 lines
1.9 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;
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// year_month_day() = default;
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// constexpr year_month_day(const chrono::year& y, const chrono::month& m,
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// const chrono::day& d) noexcept;
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//
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// Effects: Constructs an object of type year_month_day by initializing
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// y_ with y, m_ with m, and d_ with d.
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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::day day() 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 day = std::chrono::day;
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using year_month_day = std::chrono::year_month_day;
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ASSERT_NOEXCEPT(year_month_day{});
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ASSERT_NOEXCEPT(year_month_day{year{1}, month{1}, day{1}});
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constexpr month January = std::chrono::January;
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constexpr year_month_day ym0{};
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static_assert( ym0.year() == year{}, "");
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static_assert( ym0.month() == month{}, "");
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static_assert( ym0.day() == day{}, "");
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static_assert(!ym0.ok(), "");
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constexpr year_month_day ym1{year{2019}, January, day{12}};
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static_assert( ym1.year() == year{2019}, "");
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static_assert( ym1.month() == January, "");
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static_assert( ym1.day() == day{12}, "");
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static_assert( ym1.ok(), "");
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}
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