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83ffe9cd | 1 | // Copyright (C) 2017-2023 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_proximate("/a/b/c"), "../../d"_norm ); |
44 | compare_paths( path("/a/b/c").lexically_proximate("/a/d"), "../b/c"_norm ); | |
45 | compare_paths( path("a/b/c").lexically_proximate("a"), "b/c"_norm ); | |
46 | compare_paths( path("a/b/c").lexically_proximate("a/b/c/x/y"), "../.."_norm ); | |
47 | compare_paths( path("a/b/c").lexically_proximate("a/b/c"), "."_norm ); | |
48 | compare_paths( path("a/b").lexically_proximate("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_proximate(p), "." ); |
a7a6c14a JW |
56 | compare_paths( p.lexically_proximate("a/../a/b/../b/c/../c/."), |
57 | "../../b/c"_norm ); | |
eeb517d3 | 58 | compare_paths( p.lexically_proximate("../../../"), p ); |
641cb5a6 JW |
59 | } |
60 | ||
61 | int | |
62 | main() | |
63 | { | |
64 | test01(); | |
65 | test02(); | |
66 | } |