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62 lines
2.0 KiB
C++
62 lines
2.0 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 weekday_indexed;
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// weekday_indexed() = default;
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// constexpr weekday_indexed(const chrono::weekday& wd, unsigned index) noexcept;
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//
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// Effects: Constructs an object of type weekday_indexed by initializing wd_ with wd and index_ with index.
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// The values held are unspecified if !wd.ok() or index is not in the range [1, 5].
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//
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// constexpr chrono::weekday weekday() const noexcept;
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// constexpr unsigned index() 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 weekday = std::chrono::weekday;
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using weekday_indexed = std::chrono::weekday_indexed;
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ASSERT_NOEXCEPT(weekday_indexed{});
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ASSERT_NOEXCEPT(weekday_indexed(weekday{1}, 1));
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constexpr weekday_indexed wdi0{};
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static_assert( wdi0.weekday() == weekday{}, "");
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static_assert( wdi0.index() == 0, "");
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static_assert(!wdi0.ok(), "");
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constexpr weekday_indexed wdi1{std::chrono::Sunday, 2};
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static_assert( wdi1.weekday() == std::chrono::Sunday, "");
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static_assert( wdi1.index() == 2, "");
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static_assert( wdi1.ok(), "");
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for (unsigned i = 1; i <= 5; ++i)
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{
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weekday_indexed wdi(std::chrono::Tuesday, i);
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assert( wdi.weekday() == std::chrono::Tuesday);
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assert( wdi.index() == i);
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assert( wdi.ok());
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}
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for (unsigned i = 6; i <= 20; ++i)
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{
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weekday_indexed wdi(std::chrono::Tuesday, i);
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assert(!wdi.ok());
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}
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}
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