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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++98, c++03, c++11, c++14, c++17
// <chrono>
// class weekday_last;
// constexpr bool ok() const noexcept;
// Returns: wd_.ok()
#include <chrono>
#include <type_traits>
#include <cassert>
#include "test_macros.h"
int main()
{
using weekday = std::chrono::weekday;
using weekday_last = std::chrono::weekday_last;
ASSERT_NOEXCEPT( std::declval<const weekday_last>().ok());
ASSERT_SAME_TYPE(bool, decltype(std::declval<const weekday_last>().ok()));
static_assert( weekday_last{weekday{0}}.ok(), "");
static_assert( weekday_last{weekday{1}}.ok(), "");
static_assert(!weekday_last{weekday{7}}.ok(), "");
for (unsigned i = 0; i <= 255; ++i)
assert(weekday_last{weekday{i}}.ok() == weekday{i}.ok());
}
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