enum.perms.pass.cpp (1906B)
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 perms; 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::perms ME(int val) { return static_cast<fs::perms>(val); } 26 27 int main() { 28 typedef fs::perms 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 35 static_assert(std::is_same<UT, unsigned >::value, ""); // Implementation detail 36 37 typedef check_bitmask_type<E, E::group_all, E::owner_all> BitmaskTester; 38 assert(BitmaskTester::check()); 39 40 static_assert( 41 E::none == ME(0) && 42 43 E::owner_read == ME(0400) && 44 E::owner_write == ME(0200) && 45 E::owner_exec == ME(0100) && 46 E::owner_all == ME(0700) && 47 48 E::group_read == ME(040) && 49 E::group_write == ME(020) && 50 E::group_exec == ME(010) && 51 E::group_all == ME(070) && 52 53 E::others_read == ME(04) && 54 E::others_write == ME(02) && 55 E::others_exec == ME(01) && 56 E::others_all == ME(07) && 57 E::all == ME(0777) && 58 E::set_uid == ME(04000) && 59 E::set_gid == ME(02000) && 60 E::sticky_bit == ME(01000) && 61 E::mask == ME(07777) && 62 E::unknown == ME(0xFFFF), 63 "Expected enumeration values do not match"); 64 }