| // Copyright (C) 2016-2022 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 "-DUSE_FILESYSTEM_TS -lstdc++fs" } |
| // { dg-do run { target c++11 } } |
| // { dg-require-filesystem-ts "" } |
| |
| #include <experimental/filesystem> |
| #include <testsuite_hooks.h> |
| #include <testsuite_fs.h> |
| |
| namespace fs = std::experimental::filesystem; |
| |
| void |
| test01() |
| { |
| std::error_code ec; |
| const std::error_code bad_ec = make_error_code(std::errc::invalid_argument); |
| std::uintmax_t n; |
| |
| n = fs::remove_all("", ec); |
| VERIFY( !ec ); // This seems odd, but is what the TS requires. |
| VERIFY( n == 0 ); |
| |
| auto p = __gnu_test::nonexistent_path(); |
| ec = bad_ec; |
| n = remove_all(p, ec); |
| VERIFY( !ec ); |
| VERIFY( n == 0 ); |
| |
| #ifndef NO_SYMLINKS |
| auto link = __gnu_test::nonexistent_path(); |
| create_symlink(p, link); // dangling symlink |
| ec = bad_ec; |
| n = remove_all(link, ec); |
| VERIFY( !ec ); |
| VERIFY( n == 1 ); |
| VERIFY( !exists(symlink_status(link)) ); // DR 2721 |
| |
| __gnu_test::scoped_file f(p); |
| create_symlink(p, link); |
| ec = bad_ec; |
| n = remove_all(link, ec); |
| VERIFY( !ec ); |
| VERIFY( n == 1 ); |
| VERIFY( !exists(symlink_status(link)) ); // The symlink is removed, but |
| VERIFY( exists(p) ); // its target is not. |
| #endif |
| |
| const auto dir = __gnu_test::nonexistent_path(); |
| create_directories(dir/"a/b/c"); |
| ec = bad_ec; |
| n = remove_all(dir/"a", ec); |
| VERIFY( !ec ); |
| VERIFY( n == 3 ); |
| VERIFY( exists(dir) ); |
| VERIFY( !exists(dir/"a") ); |
| |
| create_directories(dir/"a/b/c"); |
| __gnu_test::scoped_file a1(dir/"a/1"); |
| __gnu_test::scoped_file a2(dir/"a/2"); |
| __gnu_test::scoped_file b1(dir/"a/b/1"); |
| __gnu_test::scoped_file b2(dir/"a/b/2"); |
| ec = bad_ec; |
| n = remove_all(dir, ec); |
| VERIFY( !ec ); |
| VERIFY( n == 8 ); |
| VERIFY( !exists(dir) ); |
| |
| a1.path.clear(); |
| a2.path.clear(); |
| b1.path.clear(); |
| b2.path.clear(); |
| } |
| |
| void |
| test02() |
| { |
| const auto dir = __gnu_test::nonexistent_path(); |
| create_directories(dir/"a/b/c"); |
| std::uintmax_t n = remove_all(dir/"a"); |
| VERIFY( n == 3 ); |
| VERIFY( exists(dir) ); |
| VERIFY( !exists(dir/"a") ); |
| |
| n = remove_all(dir/"a"); |
| VERIFY( n == 0 ); |
| VERIFY( exists(dir) ); |
| |
| n = remove_all(dir); |
| VERIFY( n == 1 ); |
| VERIFY( !exists(dir) ); |
| } |
| |
| void |
| test04() |
| { |
| if (!__gnu_test::permissions_are_testable()) |
| return; |
| |
| // PR libstdc++/93201 |
| std::error_code ec; |
| std::uintmax_t n; |
| |
| auto dir = __gnu_test::nonexistent_path(); |
| fs::create_directory(dir); |
| __gnu_test::scoped_file f(dir/"file"); |
| // remove write permission on the directory: |
| fs::permissions(dir, fs::perms::owner_read|fs::perms::owner_exec); |
| n = fs::remove_all(dir, ec); |
| VERIFY( n == std::uintmax_t(-1) ); |
| VERIFY( ec == std::errc::permission_denied ); // not ENOTEMPTY |
| |
| try { |
| fs::remove_all(dir); |
| VERIFY( false ); |
| } catch (const fs::filesystem_error& e) { |
| VERIFY( e.code() == std::errc::permission_denied ); |
| // First path is the argument to remove_all |
| VERIFY( e.path1() == dir ); |
| } |
| |
| fs::permissions(dir, fs::perms::owner_write|fs::perms::add_perms); |
| fs::remove_all(dir, ec); |
| f.path.clear(); |
| } |
| |
| int |
| main() |
| { |
| test01(); |
| test02(); |
| test04(); |
| } |