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1 // Copyright (C) 2017-2024 Free Software Foundation, Inc.
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)
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.
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/>.
18 // { dg-do run { target c++17 } }
19 // { dg-require-filesystem-ts "" }
22 #include <testsuite_fs.h>
23 #include <testsuite_hooks.h>
25 namespace fs
= std::filesystem
;
30 const std::error_code bad_ec
= make_error_code(std::errc::invalid_argument
);
33 auto dir
= __gnu_test::nonexistent_path();
34 fs::create_directory(dir
);
35 const auto dirc
= canonical(dir
);
36 fs::path foo
= dir
/"foo", bar
= dir
/"bar";
37 fs::create_directory(foo
);
38 fs::create_directory(bar
);
39 fs::create_directory(bar
/"baz");
43 fs::create_symlink("../bar", foo
/"bar");
45 p
= fs::weakly_canonical(dir
/"foo//./bar///../biz/.");
46 VERIFY( p
== dirc
/"biz/" );
47 p
= fs::weakly_canonical(dir
/"foo/.//bar/././baz/.");
48 VERIFY( p
== dirc
/"bar/baz" );
49 p
= fs::weakly_canonical(fs::current_path()/dir
/"bar//../foo/bar/baz");
50 VERIFY( p
== dirc
/"bar/baz" );
53 p
= fs::weakly_canonical(dir
/"foo//./bar///../biz/.", ec
);
55 VERIFY( p
== dirc
/"biz/" );
57 p
= fs::weakly_canonical(dir
/"foo/.//bar/././baz/.", ec
);
59 VERIFY( p
== dirc
/"bar/baz" );
61 p
= fs::weakly_canonical(fs::current_path()/dir
/"bar//../foo/bar/baz", ec
);
63 VERIFY( p
== dirc
/"bar/baz" );
66 // As above, but using "foo/.." instead of "foo",
67 // because there is no "foo/bar" symlink
69 p
= fs::weakly_canonical(dir
/"./bar///../biz/.");
70 VERIFY( p
== dirc
/"biz/" );
71 p
= fs::weakly_canonical(dir
/"foo/.././/bar/././baz/.");
72 VERIFY( p
== dirc
/"bar/baz" );
73 p
= fs::weakly_canonical(fs::current_path()/dir
/"bar//../foo/../bar/baz");
74 VERIFY( p
== dirc
/"bar/baz" );
77 p
= fs::weakly_canonical(dir
/"foo/..//./bar///../biz/.", ec
);
79 VERIFY( p
== dirc
/"biz/" );
81 p
= fs::weakly_canonical(dir
/"foo/.././/bar/././baz/.", ec
);
83 VERIFY( p
== dirc
/"bar/baz" );
85 p
= fs::weakly_canonical(fs::current_path()/dir
/"bar//../foo/../bar/baz", ec
);
87 VERIFY( p
== dirc
/"bar/baz" );
89 fs::remove_all(dir
, ec
);