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7adcbafe | 1 | // Copyright (C) 2015-2022 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 | ||
641cb5a6 JW |
18 | // { dg-do run { target c++17 } } |
19 | // { dg-require-filesystem-ts "" } | |
20 | ||
21 | #include <filesystem> | |
22 | #include <testsuite_hooks.h> | |
23 | #include <testsuite_fs.h> | |
24 | ||
25 | using std::filesystem::path; | |
26 | ||
27 | void | |
28 | test01() | |
29 | { | |
30 | const std::error_code bad_ec = make_error_code(std::errc::invalid_argument); | |
9534a5e6 | 31 | const path root = __gnu_test::root_path(); |
641cb5a6 | 32 | |
9534a5e6 JW |
33 | VERIFY( exists(root) ); |
34 | VERIFY( exists(root/".") ); | |
641cb5a6 JW |
35 | VERIFY( exists(path{"."}) ); |
36 | VERIFY( exists(path{".."}) ); | |
37 | VERIFY( exists(std::filesystem::current_path()) ); | |
38 | ||
39 | std::error_code ec; | |
40 | ec = bad_ec; | |
9534a5e6 | 41 | VERIFY( exists(root, ec) ); |
641cb5a6 JW |
42 | VERIFY( !ec ); |
43 | ec = bad_ec; | |
9534a5e6 | 44 | VERIFY( exists(root/".", ec) ); |
641cb5a6 JW |
45 | VERIFY( !ec ); |
46 | ec = bad_ec; | |
47 | VERIFY( exists(path{"."}, ec) ); | |
48 | VERIFY( !ec ); | |
49 | ec = bad_ec; | |
50 | VERIFY( exists(path{".."}, ec) ); | |
51 | VERIFY( !ec ); | |
52 | ec = bad_ec; | |
53 | VERIFY( exists(std::filesystem::current_path(), ec) ); | |
54 | VERIFY( !ec ); | |
55 | } | |
56 | ||
57 | void | |
58 | test02() | |
59 | { | |
60 | path rel = __gnu_test::nonexistent_path(); | |
61 | VERIFY( !exists(rel) ); | |
62 | ||
63 | std::error_code ec = std::make_error_code(std::errc::invalid_argument); | |
64 | VERIFY( !exists(rel, ec) ); | |
65 | VERIFY( !ec ); // DR 2725 | |
66 | } | |
67 | ||
68 | void | |
69 | test03() | |
70 | { | |
71 | path abs = absolute(__gnu_test::nonexistent_path()); | |
72 | VERIFY( !exists(abs) ); | |
73 | ||
74 | std::error_code ec = std::make_error_code(std::errc::invalid_argument); | |
75 | VERIFY( !exists(abs, ec) ); | |
76 | VERIFY( !ec ); // DR 2725 | |
77 | } | |
78 | ||
79 | void | |
80 | test04() | |
81 | { | |
29b2fd37 JW |
82 | if (!__gnu_test::permissions_are_testable()) |
83 | return; | |
edfe833a | 84 | |
641cb5a6 JW |
85 | using std::filesystem::perms; |
86 | using std::filesystem::perm_options; | |
87 | path p = __gnu_test::nonexistent_path(); | |
88 | create_directory(p); | |
89 | permissions(p, perms::all, perm_options::remove); | |
90 | ||
91 | auto unr = p / "unreachable"; | |
92 | std::error_code ec; | |
93 | VERIFY( !exists(unr, ec) ); | |
94 | VERIFY( ec == std::errc::permission_denied ); | |
95 | ec.clear(); | |
96 | try | |
97 | { | |
f7a14830 | 98 | (void) exists(unr); |
641cb5a6 JW |
99 | } |
100 | catch(const std::filesystem::filesystem_error& ex) | |
101 | { | |
102 | ec = ex.code(); | |
103 | VERIFY( ex.path1() == unr ); | |
104 | } | |
105 | VERIFY( ec == std::errc::permission_denied ); | |
106 | ||
107 | permissions(p, perms::owner_all); | |
108 | remove(p); | |
109 | } | |
110 | ||
111 | int | |
112 | main() | |
113 | { | |
114 | test01(); | |
115 | test02(); | |
116 | test03(); | |
117 | test04(); | |
118 | } |