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52 lines
1.4 KiB
C++
52 lines
1.4 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;
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// weekday() = default;
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// explicit constexpr weekday(unsigned wd) noexcept;
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// constexpr weekday(const sys_days& dp) noexcept;
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// explicit constexpr weekday(const local_days& dp) noexcept;
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//
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// explicit constexpr operator unsigned() const noexcept;
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// Effects: Constructs an object of type weekday by initializing m_ with m.
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// The value held is unspecified if d is not in the range [0, 255].
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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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ASSERT_NOEXCEPT(weekday{});
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ASSERT_NOEXCEPT(weekday(1));
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ASSERT_NOEXCEPT(static_cast<unsigned>(weekday(1)));
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constexpr weekday m0{};
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static_assert(static_cast<unsigned>(m0) == 0, "");
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constexpr weekday m1{1};
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static_assert(static_cast<unsigned>(m1) == 1, "");
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for (unsigned i = 0; i <= 255; ++i)
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{
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weekday m(i);
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assert(static_cast<unsigned>(m) == i);
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}
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// TODO - sys_days and local_days ctor tests
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}
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