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// 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-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 {
(void) 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 {
(void) 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();
}
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