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"
27 namespace fs = std::filesystem;
28 using namespace fs;
29
signature_test()30 static 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));
36 ASSERT_NOEXCEPT(is_socket(p, ec));
37 ASSERT_NOT_NOEXCEPT(is_socket(p));
38 }
39
is_socket_status_test()40 static void is_socket_status_test()
41 {
42 struct TestCase {
43 file_type type;
44 bool expect;
45 };
46 const TestCase testCases[] = {
47 {file_type::none, false},
48 {file_type::not_found, false},
49 {file_type::regular, false},
50 {file_type::directory, false},
51 {file_type::symlink, false},
52 {file_type::block, false},
53 {file_type::character, false},
54 {file_type::fifo, false},
55 {file_type::socket, true},
56 {file_type::unknown, false}
57 };
58 for (auto& TC : testCases) {
59 file_status s(TC.type);
60 assert(is_socket(s) == TC.expect);
61 }
62 }
63
test_exist_not_found()64 static 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
test_is_socket_fails()71 static 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(dir, 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
main(int,char **)94 int 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