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