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++03, c++11, c++14
10
11 // <filesystem>
12
13 // enum class copy_options;
14
15 #include <filesystem>
16 #include <type_traits>
17 #include <cassert>
18
19 #include "check_bitmask_types.h"
20 #include "test_macros.h"
21 namespace fs = std::filesystem;
22
ME(int val)23 constexpr fs::copy_options ME(int val) { return static_cast<fs::copy_options>(val); }
24
main(int,char **)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 LIBCPP_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 // The standard doesn't specify the numeric values of the enum.
39 LIBCPP_STATIC_ASSERT(
40 E::none == ME(0),
41 "Expected enumeration values do not match");
42 // Option group for copy_file
43 LIBCPP_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 LIBCPP_STATIC_ASSERT(
50 E::recursive == ME(8),
51 "Expected enumeration values do not match");
52 // Option group for copy on symlinks
53 LIBCPP_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 LIBCPP_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 return 0;
65 }
66