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8d9254fc | 1 | // Copyright (C) 2019-2020 Free Software Foundation, Inc. |
c7dde4a9 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" } | |
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 | __gnu_test::scoped_file | |
29 | create_dir(fs::path dir = __gnu_test::nonexistent_path()) | |
30 | { | |
31 | fs::create_directory(dir); | |
32 | return { dir, __gnu_test::scoped_file::adopt_file }; | |
33 | } | |
34 | ||
35 | void | |
36 | test01() | |
37 | { | |
38 | const auto testdir = create_dir(); | |
39 | __gnu_test::scoped_file file(testdir.path / "file"); | |
40 | ||
41 | fs::recursive_directory_iterator r(testdir.path); | |
42 | VERIFY( r.recursion_pending() ); | |
43 | ||
44 | r.disable_recursion_pending(); | |
45 | VERIFY( !r.recursion_pending() ); | |
46 | } | |
47 | ||
48 | void | |
49 | test02() | |
50 | { | |
51 | const auto testdir = create_dir(); | |
52 | __gnu_test::scoped_file file(testdir.path / "file"); | |
53 | ||
54 | fs::recursive_directory_iterator r(testdir.path); | |
55 | VERIFY( r.recursion_pending() ); | |
56 | const auto r2 = r; | |
57 | // recursion pending flag should be copied: | |
58 | VERIFY( r2.recursion_pending() == r.recursion_pending() ); | |
59 | ||
60 | r.disable_recursion_pending(); | |
61 | VERIFY( !r.recursion_pending() ); | |
62 | const auto r3 = r; | |
63 | // recursion pending flag should be copied: | |
64 | VERIFY( r3.recursion_pending() == r.recursion_pending() ); | |
65 | } | |
66 | ||
67 | void | |
68 | test03() | |
69 | { | |
70 | std::error_code ec = make_error_code(std::errc::invalid_argument); | |
71 | ||
72 | const auto testdir = create_dir(); | |
73 | __gnu_test::scoped_file file1(testdir.path / "file1"); | |
74 | __gnu_test::scoped_file file2(testdir.path / "file2"); | |
75 | __gnu_test::scoped_file file3(testdir.path / "file3"); | |
76 | __gnu_test::scoped_file file4(testdir.path / "file4"); | |
77 | ||
78 | fs::recursive_directory_iterator r(testdir.path); | |
79 | r.disable_recursion_pending(); | |
80 | VERIFY( !r.recursion_pending() ); | |
81 | ++r; | |
82 | // recursion pending flag should be true after incrementing: | |
83 | VERIFY( r.recursion_pending() ); | |
84 | ||
85 | r.disable_recursion_pending(); | |
86 | VERIFY( !r.recursion_pending() ); | |
87 | r.increment(ec); | |
88 | VERIFY( !ec ); | |
89 | // recursion pending flag should be true after incrementing: | |
90 | VERIFY( r.recursion_pending() ); | |
91 | ||
92 | r.disable_recursion_pending(); | |
93 | VERIFY( !r.recursion_pending() ); | |
94 | r++; | |
95 | // recursion pending flag should be true after post-incrementing: | |
96 | VERIFY( r.recursion_pending() ); | |
97 | ||
98 | VERIFY( ++r == fs::recursive_directory_iterator() ); | |
99 | } | |
100 | ||
101 | void | |
102 | test04() | |
103 | { | |
104 | const auto testdir = create_dir(); | |
105 | const auto sub1 = create_dir(testdir.path/"sub1"); | |
106 | __gnu_test::scoped_file file1(sub1.path / "file"); | |
107 | const auto sub2 = create_dir(testdir.path/"sub2"); | |
108 | __gnu_test::scoped_file file2(sub2.path / "file"); | |
109 | ||
110 | fs::recursive_directory_iterator r(testdir.path); | |
111 | ++r; | |
112 | r.pop(); | |
113 | // recursion pending flag should be true after popping: | |
114 | VERIFY( r.recursion_pending() ); | |
115 | ||
116 | // and recursion should actually happen: | |
117 | ++r; | |
118 | VERIFY( r.depth() == 1 ); | |
119 | VERIFY( r->is_regular_file() ); | |
120 | // recursion pending flag should still be true: | |
121 | VERIFY( r.recursion_pending() ); | |
122 | ||
123 | r = fs::recursive_directory_iterator(testdir.path); | |
124 | r.disable_recursion_pending(); | |
125 | ++r; | |
126 | // when recursion is disabled, should not enter subdirectories: | |
127 | VERIFY( r.depth() == 0 ); | |
128 | r.disable_recursion_pending(); | |
129 | ++r; | |
130 | VERIFY( r == fs::recursive_directory_iterator() ); | |
131 | } | |
132 | ||
133 | int main() | |
134 | { | |
135 | test01(); | |
136 | test02(); | |
137 | test03(); | |
138 | test04(); | |
139 | } |