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40 lines
1.1 KiB
C++
40 lines
1.1 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;
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// constexpr chrono::month month() const noexcept;
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// Returns: wd_
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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 year_month = std::chrono::year_month;
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ASSERT_NOEXCEPT( std::declval<const year_month>().month());
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ASSERT_SAME_TYPE(month, decltype(std::declval<const year_month>().month()));
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static_assert( year_month{}.month() == month{}, "");
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for (unsigned i = 1; i <= 50; ++i)
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{
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year_month ym(year{1234}, month{i});
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assert( static_cast<unsigned>(ym.month()) == i);
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}
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}
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