| // Copyright (C) 2016-2021 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; |
| |
| void |
| test01() |
| { |
| if (!__gnu_test::permissions_are_testable()) |
| return; |
| |
| auto p = __gnu_test::nonexistent_path(); |
| create_directory(p); |
| permissions(p, fs::perms::none); |
| std::error_code ec, ec2; |
| |
| bool result = fs::is_empty(p, ec); |
| VERIFY( ec == std::make_error_code(std::errc::permission_denied) ); |
| VERIFY( !result ); |
| |
| try { |
| fs::is_empty(p); |
| } catch (const fs::filesystem_error& e) { |
| ec2 = e.code(); |
| } |
| VERIFY( ec2 == ec ); |
| |
| result = fs::is_empty(p/"f", ec); |
| VERIFY( ec == std::make_error_code(std::errc::permission_denied) ); |
| VERIFY( !result ); |
| |
| try { |
| fs::is_empty(p/"f"); |
| } catch (const fs::filesystem_error& e) { |
| ec2 = e.code(); |
| } |
| VERIFY( ec2 == ec ); |
| |
| permissions(p, fs::perms::owner_all, ec); |
| remove_all(p, ec); |
| } |
| |
| void |
| test02() |
| { |
| auto p = __gnu_test::nonexistent_path(); |
| create_directory(p); |
| std::error_code ec, bad_ec = make_error_code(std::errc::invalid_argument); |
| bool empty; |
| |
| ec = bad_ec; |
| empty = is_empty(p, ec); |
| VERIFY( !ec ); |
| VERIFY( empty ); |
| empty = is_empty(p); |
| VERIFY( empty ); |
| |
| __gnu_test::scoped_file f(p/"f"); |
| ec = bad_ec; |
| empty = is_empty(f.path, ec); |
| VERIFY( !ec ); |
| VERIFY( empty ); |
| empty = is_empty(f.path); |
| VERIFY( empty ); |
| |
| std::ofstream{f.path} << "data"; |
| ec = bad_ec; |
| empty = is_empty(p, ec); |
| VERIFY( !ec ); |
| VERIFY( !empty ); |
| empty = is_empty(p); |
| VERIFY( !empty ); |
| |
| ec = bad_ec; |
| empty = is_empty(p, ec); |
| VERIFY( !ec ); |
| VERIFY( !empty ); |
| empty = is_empty(p); |
| VERIFY( !empty ); |
| |
| f.path.clear(); |
| remove_all(p, ec); |
| } |
| |
| int |
| main() |
| { |
| test01(); |
| test02(); |
| } |