1 
2 //===----------------------------------------------------------------------===//
3 //
4 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
5 // See https://llvm.org/LICENSE.txt for license information.
6 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //
8 //===----------------------------------------------------------------------===//
9 
10 // UNSUPPORTED: c++03, c++11, c++14
11 // UNSUPPORTED: availability-filesystem-missing
12 
13 // <filesystem>
14 
15 // class path
16 
17 // const value_type* c_str() const noexcept;
18 
19 #include <filesystem>
20 #include <cassert>
21 #include <string>
22 #include <type_traits>
23 
24 #include "assert_macros.h"
25 #include "test_macros.h"
26 namespace fs = std::filesystem;
27 
main(int,char **)28 int main(int, char**) {
29   using namespace fs;
30   const char* const value = "hello world";
31   const std::string str_value = value;
32   const fs::path::string_type pathstr_value(str_value.begin(), str_value.end());
33   { // Check signature
34     path p(value);
35     ASSERT_SAME_TYPE(path::value_type const*, decltype(p.c_str()));
36     ASSERT_NOEXCEPT(p.c_str());
37   }
38   {
39     path p(value);
40     assert(p.c_str() == pathstr_value);
41     assert(p.native().c_str() == p.c_str());
42   }
43 
44   return 0;
45 }
46