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// Copyright (C) 2016-2018 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>
namespace fs = std::filesystem;
void
test01()
{
std::error_code ec;
const std::error_code bad_ec = make_error_code(std::errc::invalid_argument);
std::uintmax_t n;
n = fs::remove_all("", ec);
VERIFY( !ec ); // This seems odd, but is what the standard requires.
VERIFY( n == 0 );
auto p = __gnu_test::nonexistent_path();
ec = bad_ec;
n = remove_all(p, ec);
VERIFY( !ec );
VERIFY( n == 0 );
auto link = __gnu_test::nonexistent_path();
create_symlink(p, link); // dangling symlink
ec = bad_ec;
n = remove_all(link, ec);
VERIFY( !ec );
VERIFY( n == 1 );
VERIFY( !exists(symlink_status(link)) ); // DR 2721
__gnu_test::scoped_file f(p);
create_symlink(p, link);
ec = bad_ec;
n = remove_all(link, ec);
VERIFY( !ec );
VERIFY( n == 1 );
VERIFY( !exists(symlink_status(link)) ); // The symlink is removed, but
VERIFY( exists(p) ); // its target is not.
const auto dir = __gnu_test::nonexistent_path();
create_directories(dir/"a/b/c");
ec = bad_ec;
n = remove_all(dir/"a", ec);
VERIFY( !ec );
VERIFY( n == 3 );
VERIFY( exists(dir) );
VERIFY( !exists(dir/"a") );
create_directories(dir/"a/b/c");
__gnu_test::scoped_file a1(dir/"a/1");
__gnu_test::scoped_file a2(dir/"a/2");
__gnu_test::scoped_file b1(dir/"a/b/1");
__gnu_test::scoped_file b2(dir/"a/b/2");
ec = bad_ec;
n = remove_all(dir, ec);
VERIFY( !ec );
VERIFY( n == 8 );
VERIFY( !exists(dir) );
a1.path.clear();
a2.path.clear();
b1.path.clear();
b2.path.clear();
}
void
test02()
{
const auto dir = __gnu_test::nonexistent_path();
create_directories(dir/"a/b/c");
std::uintmax_t n = remove_all(dir/"a");
VERIFY( n == 3 );
VERIFY( exists(dir) );
VERIFY( !exists(dir/"a") );
n = remove_all(dir/"a");
VERIFY( n == 0 );
VERIFY( exists(dir) );
n = remove_all(dir);
VERIFY( n == 1 );
VERIFY( !exists(dir) );
}
int
main()
{
test01();
test02();
}
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