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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::directory_iterator iter(p, ec); | |
37 | VERIFY( ec ); | |
38 | VERIFY( iter != fs::directory_iterator() ); | |
39 | ||
40 | // Test empty directory. | |
41 | create_directory(p, fs::current_path(), ec); | |
42 | VERIFY( !ec ); | |
43 | iter = fs::directory_iterator(p, ec); | |
44 | VERIFY( !ec ); | |
45 | VERIFY( iter == fs::directory_iterator() ); | |
46 | ||
47 | // Test non-empty directory. | |
48 | create_directory_symlink(p, p / "l", ec); | |
49 | VERIFY( !ec ); | |
50 | iter = fs::directory_iterator(p, ec); | |
51 | VERIFY( !ec ); | |
52 | VERIFY( iter != fs::directory_iterator() ); | |
53 | VERIFY( iter->path() == p/"l" ); | |
54 | ++iter; | |
55 | VERIFY( iter == fs::directory_iterator() ); | |
56 | ||
57 | // Test inaccessible directory. | |
58 | permissions(p, fs::perms::none, ec); | |
59 | VERIFY( !ec ); | |
60 | iter = fs::directory_iterator(p, ec); | |
61 | VERIFY( ec ); | |
62 | VERIFY( iter != fs::directory_iterator() ); | |
63 | ||
64 | // Test inaccessible directory, skipping permission denied. | |
65 | const auto opts = fs::directory_options::skip_permission_denied; | |
66 | iter = fs::directory_iterator(p, opts, ec); | |
67 | VERIFY( !ec ); | |
68 | VERIFY( iter == fs::directory_iterator() ); | |
69 | ||
70 | permissions(p, fs::perms::owner_all, ec); | |
71 | remove_all(p, ec); | |
72 | } | |
73 | ||
d7187f9e JW |
74 | void |
75 | test02() | |
76 | { | |
77 | bool test __attribute__((unused)) = false; | |
78 | ||
79 | std::error_code ec; | |
80 | const auto p = __gnu_test::nonexistent_path(); | |
81 | create_directory(p, fs::current_path(), ec); | |
82 | create_directory_symlink(p, p / "l", ec); | |
83 | VERIFY( !ec ); | |
84 | ||
85 | // Test post-increment (libstdc++/71005) | |
86 | auto iter = fs::directory_iterator(p, ec); | |
87 | VERIFY( !ec ); | |
88 | VERIFY( iter != fs::directory_iterator() ); | |
89 | const auto entry1 = *iter; | |
90 | const auto entry2 = *iter++; | |
91 | VERIFY( entry1 == entry2 ); | |
92 | VERIFY( entry1.path() == p/"l" ); | |
93 | VERIFY( iter == fs::directory_iterator() ); | |
94 | ||
95 | remove_all(p, ec); | |
96 | } | |
97 | ||
98 | void | |
99 | test03() | |
100 | { | |
101 | bool test __attribute__((unused)) = false; | |
102 | ||
103 | std::error_code ec; | |
104 | const auto p = __gnu_test::nonexistent_path(); | |
105 | create_directories(p / "longer_than_small_string_buffer", ec); | |
106 | VERIFY( !ec ); | |
107 | ||
108 | // Test for no reallocation on each dereference (this is a GNU extension) | |
109 | auto iter = fs::directory_iterator(p, ec); | |
110 | const auto* s1 = iter->path().c_str(); | |
111 | const auto* s2 = iter->path().c_str(); | |
112 | VERIFY( s1 == s2 ); | |
113 | ||
114 | remove_all(p, ec); | |
115 | } | |
116 | ||
7f99d40a JW |
117 | void |
118 | test04() | |
119 | { | |
120 | bool test __attribute__((unused)) = false; | |
121 | ||
122 | const fs::directory_iterator it; | |
123 | VERIFY( it == fs::directory_iterator() ); | |
124 | } | |
125 | ||
126 | void | |
127 | test05() | |
128 | { | |
129 | bool test __attribute__((unused)) = false; | |
130 | ||
131 | auto p = __gnu_test::nonexistent_path(); | |
132 | create_directory(p); | |
133 | create_directory_symlink(p, p / "l"); | |
134 | fs::directory_iterator it(p), endit; | |
135 | VERIFY( begin(it) == it ); | |
136 | static_assert( noexcept(begin(it)), "begin is noexcept" ); | |
137 | VERIFY( end(it) == endit ); | |
138 | static_assert( noexcept(end(it)), "end is noexcept" ); | |
139 | } | |
140 | ||
429ee11a JW |
141 | int |
142 | main() | |
143 | { | |
144 | test01(); | |
d7187f9e JW |
145 | test02(); |
146 | test03(); | |
7f99d40a JW |
147 | test04(); |
148 | test05(); | |
429ee11a | 149 | } |