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a945c346 | 1 | // Copyright (C) 2017-2024 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 | 18 | // { dg-do run { target c++17 } } |
641cb5a6 JW |
19 | |
20 | #include <filesystem> | |
21 | #include <testsuite_hooks.h> | |
eeb517d3 | 22 | #include <testsuite_fs.h> |
641cb5a6 JW |
23 | |
24 | using std::filesystem::path; | |
eeb517d3 | 25 | using __gnu_test::compare_paths; |
641cb5a6 | 26 | |
a7a6c14a JW |
27 | // Normalize directory-separators |
28 | std::string operator""_norm(const char* s, std::size_t n) | |
29 | { | |
30 | std::string str(s, n); | |
6a6f74be | 31 | #if defined(__MINGW32__) || defined(__MINGW64__) |
a7a6c14a JW |
32 | for (auto& c : str) |
33 | if (c == '/') | |
34 | c = '\\'; | |
35 | #endif | |
36 | return str; | |
37 | } | |
38 | ||
641cb5a6 JW |
39 | void |
40 | test01() | |
41 | { | |
42 | // C++17 [fs.path.gen] p5 | |
a7a6c14a JW |
43 | compare_paths( path("/a/d").lexically_relative("/a/b/c"), "../../d"_norm ); |
44 | compare_paths( path("/a/b/c").lexically_relative("/a/d"), "../b/c"_norm ); | |
45 | compare_paths( path("a/b/c").lexically_relative("a"), "b/c"_norm ); | |
46 | compare_paths( path("a/b/c").lexically_relative("a/b/c/x/y"), "../.."_norm ); | |
eeb517d3 | 47 | compare_paths( path("a/b/c").lexically_relative("a/b/c"), "." ); |
a7a6c14a | 48 | compare_paths( path("a/b").lexically_relative("c/d"), "../../a/b"_norm ); |
641cb5a6 JW |
49 | } |
50 | ||
51 | void | |
52 | test02() | |
53 | { | |
54 | path p = "a/b/c"; | |
eeb517d3 | 55 | compare_paths( p.lexically_relative(p), "." ); |
a7a6c14a | 56 | compare_paths( p.lexically_relative("a/../a/b/../b/c/../c/."), "../../b/c"_norm ); |
eeb517d3 | 57 | compare_paths( p.lexically_relative("../../../"), "" ); |
bd6ccc29 | 58 | |
a7a6c14a | 59 | compare_paths( path("a/./.").lexically_relative("a"), "./."_norm ); |
bd6ccc29 JW |
60 | } |
61 | ||
62 | void | |
63 | test03() | |
64 | { | |
65 | // LWG 3096 | |
66 | compare_paths( path("/dir").lexically_relative("/dir"), "." ); | |
67 | compare_paths( path("/dir").lexically_relative("/dir/"), "." ); | |
68 | compare_paths( path("/dir").lexically_relative("/dir/."), "." ); | |
69 | ||
70 | compare_paths( path("/dir/").lexically_relative("/dir"), "." ); | |
71 | compare_paths( path("/dir/").lexically_relative("/dir/"), "." ); | |
72 | compare_paths( path("/dir/").lexically_relative("/dir/."), "." ); | |
73 | ||
74 | compare_paths( path("/dir/.").lexically_relative("/dir"), "." ); | |
75 | compare_paths( path("/dir/.").lexically_relative("/dir/"), "." ); | |
76 | compare_paths( path("/dir/.").lexically_relative("/dir/."), "." ); | |
641cb5a6 JW |
77 | } |
78 | ||
01eb211b JW |
79 | void |
80 | test04() | |
81 | { | |
6a6f74be | 82 | #if defined(__MINGW32__) || defined(__MINGW64__) |
01eb211b JW |
83 | // DR 3070 |
84 | compare_paths(path("c:/f:o/bar").lexically_relative("c:/f:o/bar"), "."); | |
85 | compare_paths(path("c:/foo/bar").lexically_relative("c:/foo/b:r"), "..\\bar"); | |
86 | compare_paths(path("c:/foo/b:r").lexically_relative("c:/foo/bar"), "..\\b:r"); | |
87 | compare_paths(path("c:/foo/b:").lexically_relative("c:/foo/b:"), ""); | |
88 | compare_paths(path("c:/foo/bar").lexically_relative("c:/foo/b:"), ""); | |
89 | compare_paths(path("c:/f:/bar").lexically_relative("c:/foo/bar"), ""); | |
90 | compare_paths(path("foo/bar").lexically_relative("foo/b:/bar"), ""); | |
91 | #endif | |
92 | } | |
93 | ||
641cb5a6 JW |
94 | int |
95 | main() | |
96 | { | |
97 | test01(); | |
98 | test02(); | |
bd6ccc29 | 99 | test03(); |
01eb211b | 100 | test04(); |
641cb5a6 | 101 | } |