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60 lines
1.8 KiB
C++
60 lines
1.8 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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// constexpr weekday_indexed operator[](unsigned index) const noexcept;
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// constexpr weekday_last operator[](last_spec) 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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#include "../../euclidian.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_last = std::chrono::weekday_last;
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using weekday_indexed = std::chrono::weekday_indexed;
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constexpr weekday Sunday = std::chrono::Sunday;
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ASSERT_NOEXCEPT( std::declval<weekday>()[1U]);
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ASSERT_SAME_TYPE(weekday_indexed, decltype(std::declval<weekday>()[1U]));
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ASSERT_NOEXCEPT( std::declval<weekday>()[std::chrono::last]);
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ASSERT_SAME_TYPE(weekday_last, decltype(std::declval<weekday>()[std::chrono::last]));
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static_assert(Sunday[2].weekday() == Sunday, "");
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static_assert(Sunday[2].index () == 2, "");
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for (unsigned i = 0; i <= 6; ++i)
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{
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weekday wd(i);
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weekday_last wdl = wd[std::chrono::last];
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assert(wdl.weekday() == wd);
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assert(wdl.ok());
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}
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for (unsigned i = 0; i <= 6; ++i)
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for (unsigned j = 1; j <= 5; ++j)
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{
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weekday wd(i);
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weekday_indexed wdi = wd[j];
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assert(wdi.weekday() == wd);
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assert(wdi.index() == j);
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assert(wdi.ok());
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}
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}
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