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
11// UNSUPPORTED: availability-filesystem-missing
12
13// <fstream>
14
15// basic_filebuf<charT,traits>* open(const filesystem::path& p, ios_base::openmode mode);
16
17#include <fstream>
18#include <filesystem>
19#include <cassert>
20#include "test_macros.h"
21#include "platform_support.h"
22
23namespace fs = std::filesystem;
24
25int main(int, char**) {
26
27 fs::path p = get_temp_file_name();
28 {
29 std::filebuf f;
30 assert(f.open(p, std::ios_base::out) != 0);
31 assert(f.is_open());
32 assert(f.sputn("123", 3) == 3);
33 }
34 {
35 std::filebuf f;
36 assert(f.open(p, std::ios_base::in) != 0);
37 assert(f.is_open());
38 assert(f.sbumpc() == '1');
39 assert(f.sbumpc() == '2');
40 assert(f.sbumpc() == '3');
41 }
42 std::remove(filename: p.string().c_str());
43
44#ifndef TEST_HAS_NO_WIDE_CHARACTERS
45 {
46 std::wfilebuf f;
47 assert(f.open(p, std::ios_base::out) != 0);
48 assert(f.is_open());
49 assert(f.sputn(L"123", 3) == 3);
50 }
51 {
52 std::wfilebuf f;
53 assert(f.open(p, std::ios_base::in) != 0);
54 assert(f.is_open());
55 assert(f.sbumpc() == L'1');
56 assert(f.sbumpc() == L'2');
57 assert(f.sbumpc() == L'3');
58 }
59 std::remove(filename: p.string().c_str());
60#endif
61
62 return 0;
63}
64

source code of libcxx/test/std/input.output/file.streams/fstreams/filebuf.members/open_path.pass.cpp