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43 lines
1.3 KiB
C++
43 lines
1.3 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 chrono::month month() const noexcept;
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// Returns: m_
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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 weekday Tuesday = std::chrono::Tuesday;
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ASSERT_NOEXCEPT( std::declval<const month_weekday_last>().month());
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ASSERT_SAME_TYPE(month, decltype(std::declval<const month_weekday_last>().month()));
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static_assert( month_weekday_last{month{}, weekday_last{Tuesday}}.month() == month{}, "");
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for (unsigned i = 1; i <= 50; ++i)
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{
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month_weekday_last mdl(month{i}, weekday_last{Tuesday});
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assert( static_cast<unsigned>(mdl.month()) == i);
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}
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}
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