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// REQUIRES: can-create-symlinks
10// UNSUPPORTED: c++03, c++11, c++14
11// UNSUPPORTED: no-filesystem
12// UNSUPPORTED: availability-filesystem-missing
13
14// <filesystem>
15
16// bool is_socket(file_status s) noexcept
17// bool is_socket(path const& p);
18// bool is_socket(path const& p, std::error_code& ec) noexcept;
19
20#include <filesystem>
21#include <type_traits>
22#include <cassert>
23
24#include "assert_macros.h"
25#include "test_macros.h"
26#include "filesystem_test_helper.h"
27namespace fs = std::filesystem;
28using namespace fs;
29
30static void signature_test()
31{
32 file_status s; ((void)s);
33 const path p; ((void)p);
34 std::error_code ec; ((void)ec);
35 ASSERT_NOEXCEPT(is_socket(s: s));
36 ASSERT_NOEXCEPT(is_socket(p: p, ec&: ec));
37 ASSERT_NOT_NOEXCEPT(is_socket(p: p));
38}
39
40static void is_socket_status_test()
41{
42 struct TestCase {
43 file_type type;
44 bool expect;
45 };
46 const TestCase testCases[] = {
47 {.type: file_type::none, .expect: false},
48 {.type: file_type::not_found, .expect: false},
49 {.type: file_type::regular, .expect: false},
50 {.type: file_type::directory, .expect: false},
51 {.type: file_type::symlink, .expect: false},
52 {.type: file_type::block, .expect: false},
53 {.type: file_type::character, .expect: false},
54 {.type: file_type::fifo, .expect: false},
55 {.type: file_type::socket, .expect: true},
56 {.type: file_type::unknown, .expect: false}
57 };
58 for (auto& TC : testCases) {
59 file_status s(TC.type);
60 assert(is_socket(s) == TC.expect);
61 }
62}
63
64static void test_exist_not_found()
65{
66 static_test_env static_env;
67 const path p = static_env.DNE;
68 assert(is_socket(p) == false);
69}
70
71static void test_is_socket_fails()
72{
73 scoped_test_env env;
74#ifdef _WIN32
75 // Windows doesn't support setting perms::none to trigger failures
76 // reading directories; test using a special inaccessible directory
77 // instead.
78 const path p = GetWindowsInaccessibleDir();
79 if (p.empty())
80 return;
81#else
82 const path dir = env.create_dir("dir");
83 const path p = env.create_file("dir/file", 42);
84 permissions(p: dir, prms: perms::none);
85#endif
86
87 std::error_code ec;
88 assert(is_socket(p, ec) == false);
89 assert(ec);
90
91 TEST_THROWS_TYPE(filesystem_error, is_socket(p));
92}
93
94int main(int, char**) {
95 signature_test();
96 is_socket_status_test();
97 test_exist_not_found();
98 test_is_socket_fails();
99
100 return 0;
101}
102

source code of libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.is_socket/is_socket.pass.cpp