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"
26namespace fs = std::filesystem;
27
28int 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

source code of libcxx/test/std/input.output/filesystems/class.path/synop.pass.cpp