xref: /llvm-project/libcxx/test/std/input.output/filesystems/fs.enum/enum.path.format.pass.cpp (revision b2cc4b994e5fb85053b1acedec5ea0d1d42e5ec4)
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 // UNSUPPORTED: availability-filesystem-missing
11 
12 // <filesystem>
13 
14 // class path;
15 // enum class format;
16 
17 #include <filesystem>
18 #include <type_traits>
19 #include <cassert>
20 
21 #include "test_macros.h"
22 namespace fs = std::filesystem;
23 
main(int,char **)24 int main(int, char**) {
25   typedef fs::path::format E;
26   static_assert(std::is_enum<E>::value, "");
27 
28   LIBCPP_STATIC_ASSERT(std::is_same<std::underlying_type<E>::type, unsigned char>::value, ""); // Implementation detail
29 
30   static_assert(
31           E::auto_format   != E::native_format &&
32           E::auto_format   != E::generic_format &&
33           E::native_format != E::generic_format,
34         "Expected enumeration values are not unique");
35 
36   return 0;
37 }
38