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 perms;
15 
16 #include "filesystem_include.hpp"
17 #include <type_traits>
18 #include <cassert>
19 #include <sys/stat.h>
20 
21 #include "test_macros.h"
22 #include "check_bitmask_types.hpp"
23 
24 
ME(int val)25 constexpr fs::perms ME(int val) { return static_cast<fs::perms>(val); }
26 
main()27 int main() {
28   typedef fs::perms 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 >::value, ""); // Implementation detail
36 
37   typedef check_bitmask_type<E, E::group_all, E::owner_all> BitmaskTester;
38   assert(BitmaskTester::check());
39 
40   static_assert(
41         E::none         == ME(0) &&
42 
43         E::owner_read   == ME(0400) &&
44         E::owner_write  == ME(0200) &&
45         E::owner_exec   == ME(0100) &&
46         E::owner_all    == ME(0700) &&
47 
48         E::group_read   == ME(040) &&
49         E::group_write  == ME(020) &&
50         E::group_exec   == ME(010) &&
51         E::group_all    == ME(070) &&
52 
53         E::others_read  == ME(04) &&
54         E::others_write == ME(02) &&
55         E::others_exec  == ME(01) &&
56         E::others_all   == ME(07) &&
57         E::all          == ME(0777) &&
58         E::set_uid      == ME(04000) &&
59         E::set_gid      == ME(02000) &&
60         E::sticky_bit   == ME(01000) &&
61         E::mask         == ME(07777) &&
62         E::unknown      == ME(0xFFFF),
63         "Expected enumeration values do not match");
64 }
65