48 lines
1.3 KiB
C++
48 lines
1.3 KiB
C++
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//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// UNSUPPORTED: c++03, c++11, c++14, c++17
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// <chrono>
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// class month_day_last;
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// constexpr bool ok() const noexcept;
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// Returns: m_.ok()
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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(int, char**)
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{
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using month = std::chrono::month;
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using month_day_last = std::chrono::month_day_last;
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ASSERT_NOEXCEPT( std::declval<const month_day_last>().ok());
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ASSERT_SAME_TYPE(bool, decltype(std::declval<const month_day_last>().ok()));
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static_assert(!month_day_last{month{}}.ok(), "");
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static_assert( month_day_last{std::chrono::May}.ok(), "");
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for (unsigned i = 1; i <= 12; ++i)
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{
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month_day_last mdl{month{i}};
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assert( mdl.ok());
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}
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// If the month is not ok, all the days are bad
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for (unsigned i = 13; i <= 50; ++i)
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{
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month_day_last mdl{month{i}};
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assert(!mdl.ok());
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}
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return 0;
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}
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