1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
|
// Copyright (C) 2017-2018 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
// { dg-options "-std=gnu++17 -lstdc++fs" }
// { dg-do run { target c++17 } }
// { dg-require-filesystem-ts "" }
#include <filesystem>
#include <testsuite_hooks.h>
#include <testsuite_fs.h>
using std::filesystem::path;
using __gnu_test::compare_paths;
// Normalize directory-separators
std::string operator""_norm(const char* s, std::size_t n)
{
std::string str(s, n);
#if defined(__MING32__) || defined(__MINGW64__)
for (auto& c : str)
if (c == '/')
c = '\\';
#endif
return str;
}
void
test01()
{
// C++17 [fs.path.gen] p5
compare_paths( path("/a/d").lexically_relative("/a/b/c"), "../../d"_norm );
compare_paths( path("/a/b/c").lexically_relative("/a/d"), "../b/c"_norm );
compare_paths( path("a/b/c").lexically_relative("a"), "b/c"_norm );
compare_paths( path("a/b/c").lexically_relative("a/b/c/x/y"), "../.."_norm );
compare_paths( path("a/b/c").lexically_relative("a/b/c"), "." );
compare_paths( path("a/b").lexically_relative("c/d"), "../../a/b"_norm );
}
void
test02()
{
path p = "a/b/c";
compare_paths( p.lexically_relative(p), "." );
compare_paths( p.lexically_relative("a/../a/b/../b/c/../c/."), "../../b/c"_norm );
compare_paths( p.lexically_relative("../../../"), "" );
compare_paths( path("a/./.").lexically_relative("a"), "./."_norm );
}
void
test03()
{
// LWG 3096
compare_paths( path("/dir").lexically_relative("/dir"), "." );
compare_paths( path("/dir").lexically_relative("/dir/"), "." );
compare_paths( path("/dir").lexically_relative("/dir/."), "." );
compare_paths( path("/dir/").lexically_relative("/dir"), "." );
compare_paths( path("/dir/").lexically_relative("/dir/"), "." );
compare_paths( path("/dir/").lexically_relative("/dir/."), "." );
compare_paths( path("/dir/.").lexically_relative("/dir"), "." );
compare_paths( path("/dir/.").lexically_relative("/dir/"), "." );
compare_paths( path("/dir/.").lexically_relative("/dir/."), "." );
}
int
main()
{
test01();
test02();
test03();
}
|
