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
10
11 // <filesystem>
12
13 // enum class perm_options;
14
15 #include "filesystem_include.h"
16 #include <type_traits>
17 #include <cassert>
18 #include <sys/stat.h>
19
20 #include "test_macros.h"
21 #include "check_bitmask_types.h"
22
23
ME(int val)24 constexpr fs::perm_options ME(int val) {
25 return static_cast<fs::perm_options>(val);
26 }
27
main(int,char **)28 int main(int, char**) {
29 typedef fs::perm_options E;
30 static_assert(std::is_enum<E>::value, "");
31
32 // Check that E is a scoped enum by checking for conversions.
33 typedef std::underlying_type<E>::type UT;
34 static_assert(!std::is_convertible<E, UT>::value, "");
35
36 LIBCPP_ONLY(static_assert(std::is_same<UT, unsigned char >::value, "")); // Implementation detail
37
38 typedef check_bitmask_type<E, E::replace, E::nofollow> BitmaskTester;
39 assert(BitmaskTester::check());
40
41 static_assert(
42 E::replace == ME(1) &&
43 E::add == ME(2) &&
44 E::remove == ME(4) &&
45 E::nofollow == ME(8),
46 "Expected enumeration values do not match");
47
48 return 0;
49 }
50