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a5544970 | 1 | // Copyright (C) 2018-2019 Free Software Foundation, Inc. |
994844d3 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 | #include <filesystem> | |
23 | #include <testsuite_hooks.h> | |
24 | #include <testsuite_fs.h> | |
25 | ||
26 | namespace fs = std::filesystem; | |
27 | ||
28 | void | |
29 | test01() | |
30 | { | |
31 | std::error_code ec; | |
32 | const std::error_code bad_ec = make_error_code(std::errc::invalid_argument); | |
33 | bool n; | |
34 | ||
35 | n = fs::remove("", ec); | |
36 | VERIFY( !ec ); // This seems odd, but is what the standard requires. | |
37 | VERIFY( !n ); | |
38 | ||
39 | auto p = __gnu_test::nonexistent_path(); | |
40 | ec = bad_ec; | |
41 | n = remove(p, ec); | |
42 | VERIFY( !ec ); | |
43 | VERIFY( !n ); | |
44 | ||
45 | auto link = __gnu_test::nonexistent_path(); | |
46 | create_symlink(p, link); // dangling symlink | |
47 | ec = bad_ec; | |
48 | n = remove(link, ec); | |
49 | VERIFY( !ec ); | |
50 | VERIFY( n ); | |
51 | VERIFY( !exists(symlink_status(link)) ); | |
52 | ||
53 | __gnu_test::scoped_file f(p); | |
54 | create_symlink(p, link); | |
55 | ec = bad_ec; | |
56 | n = remove(link, ec); | |
57 | VERIFY( !ec ); | |
58 | VERIFY( n ); | |
59 | VERIFY( !exists(symlink_status(link)) ); // The symlink is removed, but | |
60 | VERIFY( exists(p) ); // its target is not. | |
61 | ||
62 | ec = bad_ec; | |
63 | n = remove(p, ec); | |
64 | VERIFY( !ec ); | |
65 | VERIFY( n ); | |
66 | VERIFY( !exists(symlink_status(p)) ); | |
67 | ||
68 | const auto dir = __gnu_test::nonexistent_path(); | |
69 | create_directories(dir/"a/b"); | |
70 | ec.clear(); | |
71 | n = remove(dir/"a", ec); | |
72 | VERIFY( ec ); | |
73 | VERIFY( !n ); | |
74 | VERIFY( exists(dir/"a/b") ); | |
75 | ||
76 | permissions(dir, fs::perms::none, ec); | |
77 | if (!ec) | |
78 | { | |
79 | ec.clear(); | |
80 | n = remove(dir/"a/b", ec); | |
81 | VERIFY( ec ); | |
82 | VERIFY( !n ); | |
83 | permissions(dir, fs::perms::owner_all, ec); | |
84 | } | |
85 | ||
86 | ec = bad_ec; | |
87 | n = remove(dir/"a/b", ec); | |
88 | VERIFY( !ec ); | |
89 | VERIFY( n ); | |
90 | VERIFY( !exists(dir/"a/b") ); | |
91 | ||
92 | remove(dir/"a", ec); | |
93 | remove(dir, ec); | |
94 | } | |
95 | ||
96 | int | |
97 | main() | |
98 | { | |
99 | test01(); | |
100 | } |