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 copy_options; 14 15 #include "filesystem_include.h" 16 #include <type_traits> 17 #include <cassert> 18 19 #include "check_bitmask_types.hpp" 20 #include "test_macros.h" 21 22 23 constexpr fs::copy_options ME(int val) { return static_cast<fs::copy_options>(val); } 24 25 int main(int, char**) { 26 typedef fs::copy_options E; 27 static_assert(std::is_enum<E>::value, ""); 28 29 // Check that E is a scoped enum by checking for conversions. 30 typedef std::underlying_type<E>::type UT; 31 static_assert(!std::is_convertible<E, UT>::value, ""); 32 33 static_assert(std::is_same<UT, unsigned short>::value, ""); // Implementation detail 34 35 typedef check_bitmask_type<E, E::skip_existing, E::update_existing> BitmaskTester; 36 assert(BitmaskTester::check()); 37 38 static_assert( 39 E::none == ME(0), 40 "Expected enumeration values do not match"); 41 // Option group for copy_file 42 static_assert( 43 E::skip_existing == ME(1) && 44 E::overwrite_existing == ME(2) && 45 E::update_existing == ME(4), 46 "Expected enumeration values do not match"); 47 // Option group for copy on directories 48 static_assert( 49 E::recursive == ME(8), 50 "Expected enumeration values do not match"); 51 // Option group for copy on symlinks 52 static_assert( 53 E::copy_symlinks == ME(16) && 54 E::skip_symlinks == ME(32), 55 "Expected enumeration values do not match"); 56 // Option group for changing form of copy 57 static_assert( 58 E::directories_only == ME(64) && 59 E::create_symlinks == ME(128) && 60 E::create_hard_links == ME(256), 61 "Expected enumeration values do not match"); 62 63 return 0; 64 } 65