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// Copyright (C) 2017-2022 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 "" }
// { dg-xfail-if "symlinks not supported" { *-*-mingw* } }
#include <filesystem>
#include <testsuite_hooks.h>
#include <testsuite_fs.h>
namespace fs = std::filesystem;
void
test01()
{
const std::error_code bad_ec = make_error_code(std::errc::invalid_argument);
std::error_code ec = bad_ec;
fs::path dot = ".";
fs::file_status st1 = fs::symlink_status(dot, ec);
VERIFY( !ec );
VERIFY( st1.type() == fs::file_type::directory );
fs::file_status st2 = fs::symlink_status(dot);
VERIFY( st2.type() == fs::file_type::directory );
fs::path link = __gnu_test::nonexistent_path();
create_directory_symlink(dot, link);
__gnu_test::scoped_file l(link, __gnu_test::scoped_file::adopt_file);
st1 = fs::symlink_status(link);
VERIFY( st1.type() == fs::file_type::symlink );
ec = bad_ec;
st2 = fs::symlink_status(link, ec);
VERIFY( !ec );
VERIFY( st2.type() == fs::file_type::symlink );
}
void
test02()
{
fs::path p = __gnu_test::nonexistent_path();
std::error_code ec;
fs::file_status st1 = fs::symlink_status(p, ec);
VERIFY( ec );
VERIFY( st1.type() == fs::file_type::not_found );
fs::file_status st2 = fs::symlink_status(p);
VERIFY( st2.type() == fs::file_type::not_found );
}
void
test03()
{
if (!__gnu_test::permissions_are_testable())
return;
fs::path dir = __gnu_test::nonexistent_path();
fs::create_directory(dir);
__gnu_test::scoped_file d(dir, __gnu_test::scoped_file::adopt_file);
__gnu_test::scoped_file f(dir / "file");
fs::permissions(dir, fs::perms::none);
auto link = __gnu_test::nonexistent_path();
fs::create_symlink(f.path, link);
__gnu_test::scoped_file l(link, __gnu_test::scoped_file::adopt_file);
std::error_code ec;
fs::file_status st = fs::symlink_status(f.path, ec);
VERIFY( ec.value() == (int)std::errc::permission_denied );
VERIFY( st.type() == fs::file_type::none );
st = fs::symlink_status(link, ec);
VERIFY( !ec );
VERIFY( st.type() == fs::file_type::symlink );
#if __cpp_exceptions
bool caught = false;
std::error_code ec2;
fs::path p, p2;
try {
(void) fs::symlink_status(f.path);
} catch (const fs::filesystem_error& e) {
caught = true;
p = e.path1();
p2 = e.path2();
ec2 = e.code();
}
VERIFY( caught );
VERIFY( ec2.value() == (int)std::errc::permission_denied );
VERIFY( p == f.path );
VERIFY( p2.empty() );
#endif
fs::file_status st2 = symlink_status(link);
VERIFY( st2.type() == fs::file_type::symlink );
fs::permissions(dir, fs::perms::owner_all, ec);
}
void
test04()
{
// PR libstdc++/88881
fs::path p = "./";
auto st = symlink_status(p);
VERIFY( is_directory(st) );
}
int
main()
{
test01();
test02();
test03();
test04();
}
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