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7adcbafe | 1 | // Copyright (C) 2016-2022 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 | namespace fs = std::filesystem; | |
26 | ||
27 | void | |
28 | test01() | |
29 | { | |
29b2fd37 JW |
30 | if (!__gnu_test::permissions_are_testable()) |
31 | return; | |
edfe833a | 32 | |
641cb5a6 JW |
33 | auto p = __gnu_test::nonexistent_path(); |
34 | create_directory(p); | |
35 | permissions(p, fs::perms::none); | |
36 | std::error_code ec, ec2; | |
37 | ||
38 | bool result = fs::is_empty(p, ec); | |
39 | VERIFY( ec == std::make_error_code(std::errc::permission_denied) ); | |
40 | VERIFY( !result ); | |
41 | ||
42 | try { | |
43 | fs::is_empty(p); | |
44 | } catch (const fs::filesystem_error& e) { | |
45 | ec2 = e.code(); | |
46 | } | |
47 | VERIFY( ec2 == ec ); | |
48 | ||
49 | result = fs::is_empty(p/"f", ec); | |
50 | VERIFY( ec == std::make_error_code(std::errc::permission_denied) ); | |
51 | VERIFY( !result ); | |
52 | ||
53 | try { | |
54 | fs::is_empty(p/"f"); | |
55 | } catch (const fs::filesystem_error& e) { | |
56 | ec2 = e.code(); | |
57 | } | |
58 | VERIFY( ec2 == ec ); | |
59 | ||
60 | permissions(p, fs::perms::owner_all, ec); | |
61 | remove_all(p, ec); | |
62 | } | |
63 | ||
64 | void | |
65 | test02() | |
66 | { | |
67 | auto p = __gnu_test::nonexistent_path(); | |
68 | create_directory(p); | |
69 | std::error_code ec, bad_ec = make_error_code(std::errc::invalid_argument); | |
70 | bool empty; | |
71 | ||
72 | ec = bad_ec; | |
73 | empty = is_empty(p, ec); | |
74 | VERIFY( !ec ); | |
75 | VERIFY( empty ); | |
76 | empty = is_empty(p); | |
77 | VERIFY( empty ); | |
78 | ||
79 | __gnu_test::scoped_file f(p/"f"); | |
80 | ec = bad_ec; | |
81 | empty = is_empty(f.path, ec); | |
82 | VERIFY( !ec ); | |
83 | VERIFY( empty ); | |
84 | empty = is_empty(f.path); | |
85 | VERIFY( empty ); | |
86 | ||
9534a5e6 | 87 | std::ofstream{f.path} << "data"; |
641cb5a6 JW |
88 | ec = bad_ec; |
89 | empty = is_empty(p, ec); | |
90 | VERIFY( !ec ); | |
91 | VERIFY( !empty ); | |
92 | empty = is_empty(p); | |
93 | VERIFY( !empty ); | |
94 | ||
95 | ec = bad_ec; | |
96 | empty = is_empty(p, ec); | |
97 | VERIFY( !ec ); | |
98 | VERIFY( !empty ); | |
99 | empty = is_empty(p); | |
100 | VERIFY( !empty ); | |
101 | ||
102 | f.path.clear(); | |
103 | remove_all(p, ec); | |
104 | } | |
105 | ||
106 | int | |
107 | main() | |
108 | { | |
109 | test01(); | |
110 | test02(); | |
111 | } |