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 // <experimental/filesystem>
13
14 // enum class copy_options;
15
16 #include <experimental/filesystem>
17 #include <type_traits>
18 #include <cassert>
19
20 #include "check_bitmask_types.hpp"
21 #include "test_macros.h"
22
23 namespace fs = std::experimental::filesystem;
24
ME(int val)25 constexpr fs::copy_options ME(int val) { return static_cast<fs::copy_options>(val); }
26
main()27 int main() {
28 typedef fs::copy_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
35 static_assert(std::is_same<UT, unsigned short>::value, ""); // Implementation detail
36
37 typedef check_bitmask_type<E, E::skip_existing, E::update_existing> BitmaskTester;
38 assert(BitmaskTester::check());
39
40 static_assert(
41 E::none == ME(0),
42 "Expected enumeration values do not match");
43 // Option group for copy_file
44 static_assert(
45 E::skip_existing == ME(1) &&
46 E::overwrite_existing == ME(2) &&
47 E::update_existing == ME(4),
48 "Expected enumeration values do not match");
49 // Option group for copy on directories
50 static_assert(
51 E::recursive == ME(8),
52 "Expected enumeration values do not match");
53 // Option group for copy on symlinks
54 static_assert(
55 E::copy_symlinks == ME(16) &&
56 E::skip_symlinks == ME(32),
57 "Expected enumeration values do not match");
58 // Option group for changing form of copy
59 static_assert(
60 E::directories_only == ME(64) &&
61 E::create_symlinks == ME(128) &&
62 E::create_hard_links == ME(256),
63 "Expected enumeration values do not match");
64 }
65