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
10 
11 // <filesystem>
12 
13 // bool is_socket(file_status s) noexcept
14 // bool is_socket(path const& p);
15 // bool is_socket(path const& p, std::error_code& ec) noexcept;
16 
17 #include "filesystem_include.h"
18 #include <type_traits>
19 #include <cassert>
20 
21 #include "test_macros.h"
22 #include "rapid-cxx-test.h"
23 #include "filesystem_test_helper.h"
24 
25 using namespace fs;
26 
27 TEST_SUITE(is_socket_test_suite)
28 
29 TEST_CASE(signature_test)
30 {
31     file_status s; ((void)s);
32     const path p; ((void)p);
33     std::error_code ec; ((void)ec);
34     ASSERT_NOEXCEPT(is_socket(s));
35     ASSERT_NOEXCEPT(is_socket(p, ec));
36     ASSERT_NOT_NOEXCEPT(is_socket(p));
37 }
38 
39 TEST_CASE(is_socket_status_test)
40 {
41     struct TestCase {
42         file_type type;
43         bool expect;
44     };
45     const TestCase testCases[] = {
46         {file_type::none, false},
47         {file_type::not_found, false},
48         {file_type::regular, false},
49         {file_type::directory, false},
50         {file_type::symlink, false},
51         {file_type::block, false},
52         {file_type::character, false},
53         {file_type::fifo, false},
54         {file_type::socket, true},
55         {file_type::unknown, false}
56     };
57     for (auto& TC : testCases) {
58         file_status s(TC.type);
59         TEST_CHECK(is_socket(s) == TC.expect);
60     }
61 }
62 
63 TEST_CASE(test_exist_not_found)
64 {
65     static_test_env static_env;
66     const path p = static_env.DNE;
67     TEST_CHECK(is_socket(p) == false);
68 }
69 
70 TEST_CASE(test_is_socket_fails)
71 {
72     scoped_test_env env;
73 #ifdef _WIN32
74     // Windows doesn't support setting perms::none to trigger failures
75     // reading directories; test using a special inaccessible directory
76     // instead.
77     const path p = GetWindowsInaccessibleDir();
78     if (p.empty())
79         TEST_UNSUPPORTED();
80 #else
81     const path dir = env.create_dir("dir");
82     const path p = env.create_file("dir/file", 42);
83     permissions(dir, perms::none);
84 #endif
85 
86     std::error_code ec;
87     TEST_CHECK(is_socket(p, ec) == false);
88     TEST_CHECK(ec);
89 
90     TEST_CHECK_THROW(filesystem_error, is_socket(p));
91 }
92 
93 TEST_SUITE_END()
94