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61 lines
2.3 KiB
C++
61 lines
2.3 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 month_weekday_last;
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// constexpr month_weekday_last(const chrono::month& m,
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// const chrono::weekday_last& wdl) noexcept;
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//
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// Effects: Constructs an object of type month_weekday_last by
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// initializing m_ with m, and wdl_ with wdl.
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//
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// constexpr chrono::month month() const noexcept;
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// constexpr chrono::weekday_last weekday_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 month = std::chrono::month;
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using weekday = std::chrono::weekday;
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using weekday_last = std::chrono::weekday_last;
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using month_weekday_last = std::chrono::month_weekday_last;
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constexpr month January = std::chrono::January;
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constexpr weekday Tuesday = std::chrono::Tuesday;
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ASSERT_NOEXCEPT(month_weekday_last{January, weekday_last{Tuesday}});
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// bad month
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constexpr month_weekday_last mwdl1{month{}, weekday_last{Tuesday}};
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static_assert( mwdl1.month() == month{}, "");
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static_assert( mwdl1.weekday_last() == weekday_last{Tuesday}, "");
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static_assert(!mwdl1.ok(), "");
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// bad weekday_last
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constexpr month_weekday_last mwdl2{January, weekday_last{weekday{16}}};
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static_assert( mwdl2.month() == January, "");
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static_assert( mwdl2.weekday_last() == weekday_last{weekday{16}}, "");
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static_assert(!mwdl2.ok(), "");
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// Good month and weekday_last
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constexpr month_weekday_last mwdl3{January, weekday_last{weekday{4}}};
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static_assert( mwdl3.month() == January, "");
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static_assert( mwdl3.weekday_last() == weekday_last{weekday{4}}, "");
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static_assert( mwdl3.ok(), "");
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}
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