enum.directory_options.pass.cpp (1370B)
1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 // UNSUPPORTED: c++98, c++03 11 12 // <filesystem> 13 14 // enum class directory_options; 15 16 #include "filesystem_include.hpp" 17 #include <type_traits> 18 #include <cassert> 19 #include <sys/stat.h> 20 21 #include "test_macros.h" 22 #include "check_bitmask_types.hpp" 23 24 25 constexpr fs::directory_options ME(int val) { return static_cast<fs::directory_options>(val); } 26 27 int main() { 28 typedef fs::directory_options E; 29 static_assert(std::is_enum<E>::value, ""); 30 31 // Check that E is a scoped enum by checking for conversions. 32 typedef std::underlying_type<E>::type UT; 33 static_assert(!std::is_convertible<E, UT>::value, ""); 34 static_assert(std::is_same<UT, unsigned char>::value, ""); 35 36 typedef check_bitmask_type<E, E::follow_directory_symlink, E::skip_permission_denied> BitmaskTester; 37 assert(BitmaskTester::check()); 38 39 static_assert( 40 E::none == ME(0) && 41 E::follow_directory_symlink == ME(1) && 42 E::skip_permission_denied == ME(2), 43 "Expected enumeration values do not match"); 44 45 }