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 perm_options;
14
15 #include <filesystem>
16 #include <type_traits>
17 #include <cassert>
18
19 #include "test_macros.h"
20 #include "check_bitmask_types.h"
21 namespace fs = std::filesystem;
22
ME(int val)23 constexpr fs::perm_options ME(int val) {
24 return static_cast<fs::perm_options>(val);
25 }
26
main(int,char **)27 int main(int, char**) {
28 typedef fs::perm_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 LIBCPP_STATIC_ASSERT(std::is_same<UT, unsigned char >::value, ""); // Implementation detail
36
37 typedef check_bitmask_type<E, E::replace, E::nofollow> BitmaskTester;
38 assert(BitmaskTester::check());
39
40 static_assert(
41 E::replace == ME(1) &&
42 E::add == ME(2) &&
43 E::remove == ME(4) &&
44 E::nofollow == ME(8),
45 "Expected enumeration values do not match");
46
47 return 0;
48 }
49