1 //===----------------------------------------------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 // UNSUPPORTED: c++98, c++03 10 11 // <filesystem> 12 13 // enum class directory_options; 14 15 #include "filesystem_include.hpp" 16 #include <type_traits> 17 #include <cassert> 18 #include <sys/stat.h> 19 20 #include "test_macros.h" 21 #include "check_bitmask_types.hpp" 22 23 24 constexpr fs::directory_options ME(int val) { return static_cast<fs::directory_options>(val); } 25 26 int main() { 27 typedef fs::directory_options E; 28 static_assert(std::is_enum<E>::value, ""); 29 30 // Check that E is a scoped enum by checking for conversions. 31 typedef std::underlying_type<E>::type UT; 32 static_assert(!std::is_convertible<E, UT>::value, ""); 33 static_assert(std::is_same<UT, unsigned char>::value, ""); 34 35 typedef check_bitmask_type<E, E::follow_directory_symlink, E::skip_permission_denied> BitmaskTester; 36 assert(BitmaskTester::check()); 37 38 static_assert( 39 E::none == ME(0) && 40 E::follow_directory_symlink == ME(1) && 41 E::skip_permission_denied == ME(2), 42 "Expected enumeration values do not match"); 43 44 } 45