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// Copyright (C) 2015-2019 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-options "-std=gnu++17 -lstdc++fs" }
// { dg-do run { target c++17 } }
// { dg-require-filesystem-ts "" }
#include <filesystem>
#include <testsuite_hooks.h>
#include <testsuite_fs.h>
using std::filesystem::path;
void
test01()
{
const std::error_code bad_ec = make_error_code(std::errc::invalid_argument);
const path root = __gnu_test::root_path();
VERIFY( exists(root) );
VERIFY( exists(root/".") );
VERIFY( exists(path{"."}) );
VERIFY( exists(path{".."}) );
VERIFY( exists(std::filesystem::current_path()) );
std::error_code ec;
ec = bad_ec;
VERIFY( exists(root, ec) );
VERIFY( !ec );
ec = bad_ec;
VERIFY( exists(root/".", ec) );
VERIFY( !ec );
ec = bad_ec;
VERIFY( exists(path{"."}, ec) );
VERIFY( !ec );
ec = bad_ec;
VERIFY( exists(path{".."}, ec) );
VERIFY( !ec );
ec = bad_ec;
VERIFY( exists(std::filesystem::current_path(), ec) );
VERIFY( !ec );
}
void
test02()
{
path rel = __gnu_test::nonexistent_path();
VERIFY( !exists(rel) );
std::error_code ec = std::make_error_code(std::errc::invalid_argument);
VERIFY( !exists(rel, ec) );
VERIFY( !ec ); // DR 2725
}
void
test03()
{
path abs = absolute(__gnu_test::nonexistent_path());
VERIFY( !exists(abs) );
std::error_code ec = std::make_error_code(std::errc::invalid_argument);
VERIFY( !exists(abs, ec) );
VERIFY( !ec ); // DR 2725
}
void
test04()
{
using std::filesystem::perms;
using std::filesystem::perm_options;
path p = __gnu_test::nonexistent_path();
create_directory(p);
permissions(p, perms::all, perm_options::remove);
auto unr = p / "unreachable";
std::error_code ec;
VERIFY( !exists(unr, ec) );
VERIFY( ec == std::errc::permission_denied );
ec.clear();
try
{
exists(unr);
}
catch(const std::filesystem::filesystem_error& ex)
{
ec = ex.code();
VERIFY( ex.path1() == unr );
}
VERIFY( ec == std::errc::permission_denied );
permissions(p, perms::owner_all);
remove(p);
}
int
main()
{
test01();
test02();
test03();
test04();
}
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