//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++03, c++11, c++14, c++17
// <chrono>
// class weekday;
// constexpr bool ok() const noexcept;
// Returns: wd_ <= 6
#include <chrono>
#include <type_traits>
#include <cassert>
#include "test_macros.h"
int main(int, char**)
{
using weekday = std::chrono::weekday;
ASSERT_NOEXCEPT( std::declval<const weekday>().ok());
ASSERT_SAME_TYPE(bool, decltype(std::declval<const weekday>().ok()));
static_assert( weekday{0}.ok(), "");
static_assert( weekday{1}.ok(), "");
static_assert( weekday{7}.ok(), ""); // 7 is transmogrified into 0 in the ctor
static_assert(!weekday{8}.ok(), "");
for (unsigned i = 0; i <= 7; ++i)
assert(weekday{i}.ok());
for (unsigned i = 8; i <= 255; ++i)
assert(!weekday{i}.ok());
return 0;
}