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a5544970 | 1 | // Copyright (C) 2016-2019 Free Software Foundation, Inc. |
641cb5a6 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 | ||
18 | // { dg-options "-std=gnu++17 -lstdc++fs" } | |
19 | // { dg-do run { target c++17 } } | |
20 | // { dg-require-filesystem-ts "" } | |
21 | ||
22 | // C++17 30.10.14.26 Permissions [fs.op.permissions] | |
23 | ||
24 | #include <filesystem> | |
25 | #include <testsuite_fs.h> | |
26 | #include <testsuite_hooks.h> | |
27 | ||
28 | void | |
29 | test01() | |
30 | { | |
31 | using std::filesystem::perms; | |
32 | using std::filesystem::perm_options; | |
33 | ||
34 | auto p = __gnu_test::nonexistent_path(); | |
35 | ||
36 | __gnu_test::scoped_file f(p); | |
37 | VERIFY( exists(p) ); | |
38 | permissions(p, perms::owner_all); | |
39 | VERIFY( status(p).permissions() == perms::owner_all ); | |
40 | permissions(p, perms::group_read, perm_options::add); | |
41 | VERIFY( status(p).permissions() == (perms::owner_all | perms::group_read) ); | |
42 | permissions(p, perms::group_read, perm_options::remove); | |
43 | VERIFY( status(p).permissions() == perms::owner_all ); | |
44 | } | |
45 | ||
46 | void | |
47 | test02() | |
48 | { | |
49 | const std::error_code bad_ec = make_error_code(std::errc::invalid_argument); | |
50 | using std::filesystem::perms; | |
51 | using std::filesystem::perm_options; | |
52 | ||
53 | auto p = __gnu_test::nonexistent_path(); | |
54 | ||
55 | std::error_code ec; | |
56 | permissions(p, perms::owner_all, ec); | |
57 | VERIFY( ec ); | |
58 | ||
59 | __gnu_test::scoped_file f(p); | |
60 | VERIFY( exists(p) ); | |
61 | ||
62 | ec = bad_ec; | |
63 | permissions(p, perms::owner_all, ec); | |
64 | VERIFY( !ec ); | |
65 | VERIFY( status(p).permissions() == perms::owner_all ); | |
66 | ec = bad_ec; | |
67 | permissions(p, perms::group_read, perm_options::add, ec); | |
68 | VERIFY( !ec ); | |
69 | VERIFY( status(p).permissions() == (perms::owner_all | perms::group_read) ); | |
70 | ec = bad_ec; | |
71 | permissions(p, perms::group_read, perm_options::remove, ec); | |
72 | VERIFY( !ec ); | |
73 | VERIFY( status(p).permissions() == perms::owner_all ); | |
74 | } | |
75 | ||
76 | void | |
77 | test03() | |
78 | { | |
79 | using std::filesystem::perms; | |
80 | using std::filesystem::perm_options; | |
81 | ||
82 | __gnu_test::scoped_file f; | |
83 | VERIFY( exists(f.path) ); | |
84 | ||
85 | auto p = __gnu_test::nonexistent_path(); | |
86 | create_symlink(f.path, p); | |
87 | ||
88 | std::error_code ec = make_error_code(std::errc::no_such_file_or_directory); | |
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89 | permissions(p, perms::owner_all, |
90 | perm_options::replace|perm_options::nofollow, ec); | |
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91 | bool caught = false; |
92 | std::error_code ec2; | |
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93 | try |
94 | { | |
95 | permissions(p, perms::owner_all, | |
96 | perm_options::replace|perm_options::nofollow); | |
97 | } | |
98 | catch (const std::filesystem::filesystem_error& ex) | |
99 | { | |
e921c7e5 | 100 | caught = true; |
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101 | ec2 = ex.code(); |
102 | VERIFY( ex.path1() == p ); | |
103 | } | |
104 | // Both calls should succeed, or both should fail with same error: | |
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105 | if (ec) |
106 | { | |
107 | VERIFY( caught ); | |
108 | VERIFY( ec == ec2 ); | |
109 | } | |
110 | else | |
111 | VERIFY( !caught ); | |
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112 | |
113 | remove(p); | |
114 | } | |
115 | ||
116 | void | |
117 | test04() | |
118 | { | |
119 | using perms = std::filesystem::perms; | |
120 | ||
121 | auto p = __gnu_test::nonexistent_path(); | |
122 | create_symlink(__gnu_test::nonexistent_path(), p); | |
123 | ||
124 | std::error_code ec = make_error_code(std::errc::no_such_file_or_directory); | |
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125 | permissions(p, perms::owner_all, ec); |
126 | VERIFY( ec ); | |
e921c7e5 | 127 | std::error_code ec2; |
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128 | try |
129 | { | |
130 | permissions(p, perms::owner_all); | |
131 | } | |
132 | catch (const std::filesystem::filesystem_error& ex) | |
133 | { | |
134 | ec2 = ex.code(); | |
135 | VERIFY( ex.path1() == p ); | |
136 | } | |
137 | VERIFY( ec == ec2 ); | |
138 | ||
139 | remove(p); | |
140 | } | |
141 | ||
142 | void | |
143 | test05() | |
144 | { | |
145 | const std::error_code bad_ec = make_error_code(std::errc::invalid_argument); | |
146 | using std::filesystem::perms; | |
147 | using std::filesystem::perm_options; | |
148 | std::error_code ec; | |
149 | ||
150 | __gnu_test::scoped_file f; | |
151 | auto p = perms::owner_write; | |
152 | ||
153 | // symlink_nofollow should not give an error for non-symlinks | |
154 | ec = bad_ec; | |
155 | permissions(f.path, p, perm_options::replace|perm_options::nofollow, ec); | |
156 | VERIFY( !ec ); | |
157 | auto st = status(f.path); | |
158 | VERIFY( st.permissions() == p ); | |
159 | p |= perms::owner_read; | |
160 | ec = bad_ec; | |
161 | permissions(f.path, p, perm_options::replace|perm_options::nofollow, ec); | |
162 | VERIFY( !ec ); | |
163 | st = status(f.path); | |
164 | VERIFY( st.permissions() == p ); | |
165 | } | |
166 | ||
167 | int | |
168 | main() | |
169 | { | |
170 | test01(); | |
171 | test02(); | |
172 | test03(); | |
173 | test04(); | |
174 | test05(); | |
175 | } |