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//===----------------------------------------------------------------------===//
//
// 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 unsigned c_encoding() const noexcept;
#include <chrono>
#include <type_traits>
#include <cassert>
#include "test_macros.h"
template <typename WD>
constexpr bool testConstexpr()
{
WD wd{5};
return wd.c_encoding() == 5;
}
int main(int, char**)
{
using weekday = std::chrono::weekday;
ASSERT_NOEXCEPT( std::declval<weekday&>().c_encoding());
ASSERT_SAME_TYPE(unsigned, decltype(std::declval<weekday&>().c_encoding()));
static_assert(testConstexpr<weekday>(), "");
for (unsigned i = 0; i <= 10; ++i)
{
weekday wd(i);
assert(wd.c_encoding() == (i == 7 ? 0 : i));
}
return 0;
}
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