| // Copyright (C) 2015-2021 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-do run { target c++17 } } |
| // { dg-require-filesystem-ts "" } |
| |
| #include <filesystem> |
| #include <testsuite_hooks.h> |
| #include <testsuite_fs.h> |
| |
| namespace fs = std::filesystem; |
| using __gnu_test::compare_paths; |
| |
| void |
| test01() |
| { |
| const std::error_code bad_ec = make_error_code(std::errc::invalid_argument); |
| std::error_code ec; |
| auto p = __gnu_test::nonexistent_path(); |
| canonical( p, ec ); |
| VERIFY( ec ); |
| |
| create_directory(p); |
| __gnu_test::scoped_file l(p, __gnu_test::scoped_file::adopt_file); |
| auto p2 = canonical( p, ec ); |
| compare_paths( p2, fs::current_path()/p ); |
| VERIFY( !ec ); |
| |
| ec = bad_ec; |
| p2 = canonical( fs::current_path() / "." / (p.string() + "////././."), ec ); |
| compare_paths( p2, fs::current_path()/p ); |
| VERIFY( !ec ); |
| |
| ec = bad_ec; |
| p = fs::current_path(); |
| p2 = canonical( p, ec ); |
| compare_paths( p2, p ); |
| VERIFY( !ec ); |
| |
| const auto root = fs::absolute("/"); |
| |
| ec = bad_ec; |
| p = "/"; |
| p = canonical( p, ec ); |
| compare_paths( p, root ); |
| VERIFY( !ec ); |
| |
| ec = bad_ec; |
| p = "/."; |
| p = canonical( p, ec ); |
| compare_paths( p, root ); |
| VERIFY( !ec ); |
| |
| ec = bad_ec; |
| p = "/.."; |
| p = canonical( p, ec ); |
| compare_paths( p, root ); |
| VERIFY( !ec ); |
| |
| ec = bad_ec; |
| p = "/../.././."; |
| p = canonical( p, ec ); |
| compare_paths( p, root ); |
| VERIFY( !ec ); |
| } |
| |
| void |
| test02() |
| { |
| const fs::path p = __gnu_test::nonexistent_path(); |
| std::error_code ec, ec2; |
| const fs::path res = canonical(p, ec); |
| VERIFY( ec ); |
| VERIFY( res.empty() ); |
| |
| #if __cpp_exceptions |
| fs::path e1, e2; |
| try { |
| canonical(p); |
| } catch (const fs::filesystem_error& e) { |
| e1 = e.path1(); |
| e2 = e.path2(); |
| ec2 = e.code(); |
| } |
| VERIFY( e1 == p ); |
| VERIFY( e2.empty() ); |
| VERIFY( ec == ec2 ); |
| #endif |
| } |
| |
| void |
| test03() |
| { |
| std::error_code ec; |
| auto dir = __gnu_test::nonexistent_path(); |
| fs::create_directory(dir); |
| fs::path foo = dir/"foo", bar = dir/"bar"; |
| fs::create_directory(foo); |
| fs::create_directory(bar); |
| #if defined(__MINGW32__) || defined(__MINGW64__) |
| // No symlink support |
| const fs::path baz = dir/"foo\\\\..\\bar///"; |
| #else |
| fs::create_symlink("../bar", foo/"baz"); |
| const fs::path baz = dir/"foo//./baz///"; |
| #endif |
| |
| auto dirc = canonical(dir); |
| auto barc = canonical(bar); |
| |
| auto p1 = fs::canonical(dir/"foo//.///..//./"); |
| compare_paths( p1, dirc ); |
| auto p2 = fs::canonical(baz/"..//./"); |
| compare_paths( p2, dirc ); |
| auto p3 = fs::canonical(baz/"./"); |
| compare_paths( p3, barc ); |
| auto p4 = fs::canonical(baz/"..//./bar"); |
| compare_paths( p4, barc ); |
| auto p5 = fs::canonical(baz/"..//./bar/"); |
| compare_paths( p5, p4 ); |
| auto p6 = fs::canonical(baz/"..//./bar/."); |
| compare_paths( p6, p4 ); |
| |
| remove_all(dir); |
| } |
| |
| int |
| main() |
| { |
| test01(); |
| test02(); |
| test03(); |
| } |