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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
// <filesystem>
// enum class perm_options;
#include <filesystem>
#include <type_traits>
#include <cassert>
#include "test_macros.h"
#include "check_bitmask_types.h"
namespace fs = std::filesystem;
constexpr fs::perm_options ME(int val) {
return static_cast<fs::perm_options>(val);
}
int main(int, char**) {
typedef fs::perm_options E;
static_assert(std::is_enum<E>::value, "");
// Check that E is a scoped enum by checking for conversions.
typedef std::underlying_type<E>::type UT;
static_assert(!std::is_convertible<E, UT>::value, "");
LIBCPP_STATIC_ASSERT(std::is_same<UT, unsigned char >::value, ""); // Implementation detail
typedef check_bitmask_type<E, E::replace, E::nofollow> BitmaskTester;
assert(BitmaskTester::check());
static_assert(
E::replace == ME(1) &&
E::add == ME(2) &&
E::remove == ME(4) &&
E::nofollow == ME(8),
"Expected enumeration values do not match");
return 0;
}
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