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818ab71a | 1 | // Copyright (C) 2015-2016 Free Software Foundation, Inc. |
429ee11a JW |
2 | // |
3 | // This file is part of the GNU ISO C++ Library. This library is free | |
4 | // software; you can redistribute it and/or modify it under the | |
5 | // terms of the GNU General Public License as published by the | |
6 | // Free Software Foundation; either version 3, or (at your option) | |
7 | // any later version. | |
8 | ||
9 | // This library is distributed in the hope that it will be useful, | |
10 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | // GNU General Public License for more details. | |
13 | ||
14 | // You should have received a copy of the GNU General Public License along | |
15 | // with this library; see the file COPYING3. If not see | |
16 | // <http://www.gnu.org/licenses/>. | |
17 | ||
52066eae JW |
18 | // { dg-options "-lstdc++fs" } |
19 | // { dg-do run { target c++11 } } | |
429ee11a JW |
20 | // { dg-require-filesystem-ts "" } |
21 | ||
22 | #include <experimental/filesystem> | |
23 | #include <testsuite_hooks.h> | |
24 | #include <testsuite_fs.h> | |
25 | ||
26 | namespace fs = std::experimental::filesystem; | |
27 | ||
28 | void | |
29 | test01() | |
30 | { | |
31 | bool test __attribute__((unused)) = false; | |
32 | std::error_code ec; | |
33 | ||
34 | // Test non-existent path. | |
35 | const auto p = __gnu_test::nonexistent_path(); | |
36 | fs::recursive_directory_iterator iter(p, ec); | |
37 | VERIFY( ec ); | |
38 | VERIFY( iter != fs::recursive_directory_iterator() ); | |
39 | ||
40 | // Test empty directory. | |
41 | create_directory(p, fs::current_path(), ec); | |
42 | VERIFY( !ec ); | |
43 | iter = fs::recursive_directory_iterator(p, ec); | |
44 | VERIFY( !ec ); | |
45 | VERIFY( iter == fs::recursive_directory_iterator() ); | |
46 | ||
47 | // Test non-empty directory. | |
48 | create_directories(p / "d1/d2"); | |
49 | VERIFY( !ec ); | |
50 | iter = fs::recursive_directory_iterator(p, ec); | |
51 | VERIFY( !ec ); | |
52 | VERIFY( iter != fs::recursive_directory_iterator() ); | |
53 | VERIFY( iter->path() == p/"d1" ); | |
54 | ++iter; | |
55 | VERIFY( iter->path() == p/"d1/d2" ); | |
56 | ++iter; | |
57 | VERIFY( iter == fs::recursive_directory_iterator() ); | |
58 | ||
59 | // Test inaccessible directory. | |
60 | permissions(p, fs::perms::none, ec); | |
61 | VERIFY( !ec ); | |
62 | iter = fs::recursive_directory_iterator(p, ec); | |
63 | VERIFY( ec ); | |
64 | VERIFY( iter != fs::recursive_directory_iterator() ); | |
65 | ||
66 | // Test inaccessible directory, skipping permission denied. | |
67 | const auto opts = fs::directory_options::skip_permission_denied; | |
68 | iter = fs::recursive_directory_iterator(p, opts, ec); | |
69 | VERIFY( !ec ); | |
70 | VERIFY( iter == fs::recursive_directory_iterator() ); | |
71 | ||
72 | // Test inaccessible sub-directory. | |
73 | permissions(p, fs::perms::owner_all, ec); | |
74 | VERIFY( !ec ); | |
75 | permissions(p/"d1/d2", fs::perms::none, ec); | |
76 | VERIFY( !ec ); | |
77 | iter = fs::recursive_directory_iterator(p, ec); | |
78 | VERIFY( !ec ); | |
79 | VERIFY( iter != fs::recursive_directory_iterator() ); | |
80 | VERIFY( iter->path() == p/"d1" ); | |
81 | ++iter; // should recurse into d1 | |
82 | VERIFY( iter->path() == p/"d1/d2" ); | |
83 | iter.increment(ec); // should fail to recurse into p/d1/d2 | |
84 | VERIFY( ec ); | |
85 | ||
86 | // Test inaccessible sub-directory, skipping permission denied. | |
87 | iter = fs::recursive_directory_iterator(p, opts, ec); | |
88 | VERIFY( !ec ); | |
89 | VERIFY( iter != fs::recursive_directory_iterator() ); | |
90 | VERIFY( iter->path() == p/"d1" ); | |
91 | ++iter; // should recurse into d1 | |
92 | VERIFY( iter->path() == p/"d1/d2" ); | |
93 | iter.increment(ec); // should fail to recurse into p/d1/d2, so skip it | |
94 | VERIFY( !ec ); | |
95 | VERIFY( iter == fs::recursive_directory_iterator() ); | |
96 | ||
97 | permissions(p/"d1/d2", fs::perms::owner_all, ec); | |
98 | remove_all(p, ec); | |
99 | } | |
100 | ||
e4cce0ce JW |
101 | void |
102 | test02() | |
103 | { | |
7972e246 JW |
104 | bool test __attribute__((unused)) = false; |
105 | ||
d7187f9e JW |
106 | std::error_code ec; |
107 | const auto p = __gnu_test::nonexistent_path(); | |
108 | create_directories(p / "d1/d2", ec); | |
109 | VERIFY( !ec ); | |
110 | ||
111 | // Test post-increment (libstdc++/71005) | |
112 | auto iter = fs::recursive_directory_iterator(p, ec); | |
113 | VERIFY( !ec ); | |
114 | VERIFY( iter != fs::recursive_directory_iterator() ); | |
115 | const auto entry1 = *iter; | |
116 | const auto entry2 = *iter++; | |
117 | VERIFY( entry1 == entry2 ); | |
118 | VERIFY( entry1.path() == p/"d1" ); | |
119 | const auto entry3 = *iter; | |
120 | const auto entry4 = *iter++; | |
121 | VERIFY( entry3 == entry4 ); | |
122 | VERIFY( entry3.path() == p/"d1/d2" ); | |
123 | VERIFY( iter == fs::recursive_directory_iterator() ); | |
124 | ||
125 | remove_all(p, ec); | |
126 | } | |
127 | ||
128 | void | |
129 | test03() | |
130 | { | |
131 | bool test __attribute__((unused)) = false; | |
132 | ||
133 | std::error_code ec; | |
134 | const auto p = __gnu_test::nonexistent_path(); | |
135 | create_directories(p / "longer_than_small_string_buffer", ec); | |
136 | VERIFY( !ec ); | |
137 | ||
138 | // Test for no reallocation on each dereference (this is a GNU extension) | |
139 | auto iter = fs::recursive_directory_iterator(p, ec); | |
140 | const auto* s1 = iter->path().c_str(); | |
141 | const auto* s2 = iter->path().c_str(); | |
142 | VERIFY( s1 == s2 ); | |
143 | ||
144 | remove_all(p, ec); | |
145 | } | |
146 | ||
147 | void | |
148 | test04() | |
149 | { | |
150 | bool test __attribute__((unused)) = false; | |
151 | ||
152 | // libstdc++/71004 | |
e4cce0ce | 153 | const fs::recursive_directory_iterator it; |
7972e246 | 154 | VERIFY( it == fs::recursive_directory_iterator() ); |
e4cce0ce JW |
155 | } |
156 | ||
7f99d40a JW |
157 | void |
158 | test05() | |
159 | { | |
160 | bool test __attribute__((unused)) = false; | |
161 | ||
162 | auto p = __gnu_test::nonexistent_path(); | |
163 | create_directory(p); | |
164 | create_directory_symlink(p, p / "l"); | |
165 | fs::recursive_directory_iterator it(p), endit; | |
166 | VERIFY( begin(it) == it ); | |
167 | static_assert( noexcept(begin(it)), "begin is noexcept" ); | |
168 | VERIFY( end(it) == endit ); | |
169 | static_assert( noexcept(end(it)), "end is noexcept" ); | |
170 | } | |
171 | ||
429ee11a JW |
172 | int |
173 | main() | |
174 | { | |
175 | test01(); | |
7972e246 | 176 | test02(); |
d7187f9e JW |
177 | test03(); |
178 | test04(); | |
7f99d40a | 179 | test05(); |
429ee11a | 180 | } |