xref: /llvm-project/libcxx/test/std/input.output/filesystems/class.path/synop.pass.cpp (revision ac8c9f1e39e1a773fd81ce23dbf1c80ea186f226)
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 
16 // typedef ... value_type;
17 // typedef basic_string<value_type> string_type;
18 // static constexpr value_type preferred_separator = ...;
19 
20 #include <filesystem>
21 #include <cassert>
22 #include <string>
23 #include <type_traits>
24 
25 #include "test_macros.h"
26 namespace fs = std::filesystem;
27 
main(int,char **)28 int main(int, char**) {
29   using namespace fs;
30 #ifdef _WIN32
31   ASSERT_SAME_TYPE(path::value_type, wchar_t);
32 #else
33   ASSERT_SAME_TYPE(path::value_type, char);
34 #endif
35   ASSERT_SAME_TYPE(path::string_type, std::basic_string<path::value_type>);
36   {
37     ASSERT_SAME_TYPE(const path::value_type, decltype(path::preferred_separator));
38 #ifdef _WIN32
39     static_assert(path::preferred_separator == '\\', "");
40 #else
41     static_assert(path::preferred_separator == '/', "");
42 #endif
43     // Make preferred_separator ODR used by taking its address.
44     const path::value_type* dummy = &path::preferred_separator;
45     ((void)dummy);
46   }
47 
48   return 0;
49 }
50