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85ec4feb | 1 | // Copyright (C) 2016-2018 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 | #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 | std::uintmax_t n; | |
33 | ||
34 | n = fs::remove_all("", ec); | |
35 | VERIFY( ec ); | |
36 | VERIFY( n == std::uintmax_t(-1) ); | |
37 | ||
38 | auto p = __gnu_test::nonexistent_path(); | |
39 | ec.clear(); | |
40 | n = remove_all(p, ec); | |
41 | VERIFY( ec ); | |
42 | VERIFY( n == std::uintmax_t(-1) ); | |
43 | ||
44 | const auto bad_ec = ec; | |
45 | auto link = __gnu_test::nonexistent_path(); | |
46 | create_symlink(p, link); // dangling symlink | |
47 | ec = bad_ec; | |
48 | n = remove_all(link, ec); | |
49 | VERIFY( !ec ); | |
50 | VERIFY( n == 1 ); | |
51 | VERIFY( !exists(symlink_status(link)) ); // DR 2721 | |
52 | ||
53 | __gnu_test::scoped_file f(p); | |
54 | create_symlink(p, link); | |
55 | ec = bad_ec; | |
56 | n = remove_all(link, ec); | |
57 | VERIFY( !ec ); | |
58 | VERIFY( n == 1 ); | |
59 | VERIFY( !exists(symlink_status(link)) ); // The symlink is removed, but | |
60 | VERIFY( exists(p) ); // its target is not. | |
61 | ||
62 | auto dir = __gnu_test::nonexistent_path(); | |
63 | create_directories(dir/"a/b/c"); | |
64 | ec = bad_ec; | |
65 | n = remove_all(dir/"a", ec); | |
66 | VERIFY( !ec ); | |
67 | VERIFY( n == 3 ); | |
68 | VERIFY( exists(dir) ); | |
69 | VERIFY( !exists(dir/"a") ); | |
70 | ||
71 | create_directories(dir/"a/b/c"); | |
72 | __gnu_test::scoped_file a1(dir/"a/1"); | |
73 | __gnu_test::scoped_file a2(dir/"a/2"); | |
74 | __gnu_test::scoped_file b1(dir/"a/b/1"); | |
75 | __gnu_test::scoped_file b2(dir/"a/b/2"); | |
76 | ec = bad_ec; | |
77 | n = remove_all(dir, ec); | |
78 | VERIFY( !ec ); | |
79 | VERIFY( n == 8 ); | |
80 | VERIFY( !exists(dir) ); | |
81 | ||
82 | a1.path.clear(); | |
83 | a2.path.clear(); | |
84 | b1.path.clear(); | |
85 | b2.path.clear(); | |
86 | } | |
87 | ||
88 | int | |
89 | main() | |
90 | { | |
91 | test01(); | |
92 | } |