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_regular_file(file_status s) noexcept
14 // bool is_regular_file(path const& p);
15 // bool is_regular_file(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_regular_file_test_suite)
28
TEST_CASE(signature_test)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_regular_file(s));
35 ASSERT_NOEXCEPT(is_regular_file(p, ec));
36 ASSERT_NOT_NOEXCEPT(is_regular_file(p));
37 }
38
TEST_CASE(is_regular_file_status_test)39 TEST_CASE(is_regular_file_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, true},
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, false},
55 {file_type::unknown, false}
56 };
57 for (auto& TC : testCases) {
58 file_status s(TC.type);
59 TEST_CHECK(is_regular_file(s) == TC.expect);
60 }
61 }
62
TEST_CASE(test_exist_not_found)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_regular_file(p) == false);
68 std::error_code ec;
69 TEST_CHECK(is_regular_file(p, ec) == false);
70 TEST_CHECK(ec);
71 }
72
TEST_CASE(test_is_regular_file_fails)73 TEST_CASE(test_is_regular_file_fails)
74 {
75 scoped_test_env env;
76 #ifdef _WIN32
77 // Windows doesn't support setting perms::none to trigger failures
78 // reading directories; test using a special inaccessible directory
79 // instead.
80 const path p = GetWindowsInaccessibleDir();
81 if (p.empty())
82 TEST_UNSUPPORTED();
83 #else
84 const path dir = env.create_dir("dir");
85 const path p = env.create_file("dir/file", 42);
86 permissions(dir, perms::none);
87 #endif
88
89 std::error_code ec;
90 TEST_CHECK(is_regular_file(p, ec) == false);
91 TEST_CHECK(ec);
92
93 TEST_CHECK_THROW(filesystem_error, is_regular_file(p));
94 }
95
96 TEST_SUITE_END()
97