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// Copyright (C) 2019-2022 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-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();
}
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