| // Copyright (C) 2019-2021 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; |
| |
| __gnu_test::scoped_file |
| create_dir(fs::path dir = __gnu_test::nonexistent_path()) |
| { |
| fs::create_directory(dir); |
| return { dir, __gnu_test::scoped_file::adopt_file }; |
| } |
| |
| void |
| test01() |
| { |
| const auto testdir = create_dir(); |
| __gnu_test::scoped_file file(testdir.path / "file"); |
| |
| fs::recursive_directory_iterator r(testdir.path); |
| VERIFY( r.recursion_pending() ); |
| |
| r.disable_recursion_pending(); |
| VERIFY( !r.recursion_pending() ); |
| } |
| |
| void |
| test02() |
| { |
| const auto testdir = create_dir(); |
| __gnu_test::scoped_file file(testdir.path / "file"); |
| |
| fs::recursive_directory_iterator r(testdir.path); |
| VERIFY( r.recursion_pending() ); |
| const auto r2 = r; |
| // recursion pending flag should be copied: |
| VERIFY( r2.recursion_pending() == r.recursion_pending() ); |
| |
| r.disable_recursion_pending(); |
| VERIFY( !r.recursion_pending() ); |
| const auto r3 = r; |
| // recursion pending flag should be copied: |
| VERIFY( r3.recursion_pending() == r.recursion_pending() ); |
| } |
| |
| void |
| test03() |
| { |
| std::error_code ec = make_error_code(std::errc::invalid_argument); |
| |
| const auto testdir = create_dir(); |
| __gnu_test::scoped_file file1(testdir.path / "file1"); |
| __gnu_test::scoped_file file2(testdir.path / "file2"); |
| __gnu_test::scoped_file file3(testdir.path / "file3"); |
| __gnu_test::scoped_file file4(testdir.path / "file4"); |
| |
| fs::recursive_directory_iterator r(testdir.path); |
| r.disable_recursion_pending(); |
| VERIFY( !r.recursion_pending() ); |
| ++r; |
| // recursion pending flag should be true after incrementing: |
| VERIFY( r.recursion_pending() ); |
| |
| r.disable_recursion_pending(); |
| VERIFY( !r.recursion_pending() ); |
| r.increment(ec); |
| VERIFY( !ec ); |
| // recursion pending flag should be true after incrementing: |
| VERIFY( r.recursion_pending() ); |
| |
| r.disable_recursion_pending(); |
| VERIFY( !r.recursion_pending() ); |
| r++; |
| // recursion pending flag should be true after post-incrementing: |
| VERIFY( r.recursion_pending() ); |
| |
| VERIFY( ++r == fs::recursive_directory_iterator() ); |
| } |
| |
| void |
| test04() |
| { |
| const auto testdir = create_dir(); |
| const auto sub1 = create_dir(testdir.path/"sub1"); |
| __gnu_test::scoped_file file1(sub1.path / "file"); |
| const auto sub2 = create_dir(testdir.path/"sub2"); |
| __gnu_test::scoped_file file2(sub2.path / "file"); |
| |
| fs::recursive_directory_iterator r(testdir.path); |
| ++r; |
| r.pop(); |
| // recursion pending flag should be true after popping: |
| VERIFY( r.recursion_pending() ); |
| |
| // and recursion should actually happen: |
| ++r; |
| VERIFY( r.depth() == 1 ); |
| VERIFY( r->is_regular_file() ); |
| // recursion pending flag should still be true: |
| VERIFY( r.recursion_pending() ); |
| |
| r = fs::recursive_directory_iterator(testdir.path); |
| r.disable_recursion_pending(); |
| ++r; |
| // when recursion is disabled, should not enter subdirectories: |
| VERIFY( r.depth() == 0 ); |
| r.disable_recursion_pending(); |
| ++r; |
| VERIFY( r == fs::recursive_directory_iterator() ); |
| } |
| |
| int main() |
| { |
| test01(); |
| test02(); |
| test03(); |
| test04(); |
| } |