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// Copyright (C) 2017-2020 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" }
// { dg-do run { target c++17 } }
// { dg-require-filesystem-ts "" }
#include <filesystem>
#include <testsuite_fs.h>
#include <testsuite_hooks.h>
namespace fs = std::filesystem;
void
test01()
{
const std::error_code bad_ec = make_error_code(std::errc::invalid_argument);
std::error_code ec;
auto dir = __gnu_test::nonexistent_path();
fs::create_directory(dir);
const auto dirc = canonical(dir);
fs::path foo = dir/"foo", bar = dir/"bar";
fs::create_directory(foo);
fs::create_directory(bar);
fs::create_directory(bar/"baz");
fs::path p;
#if defined(__MINGW32__) || defined(__MINGW64__)
// No symlink support
#else
fs::create_symlink("../bar", foo/"bar");
p = fs::weakly_canonical(dir/"foo//./bar///../biz/.");
VERIFY( p == dirc/"biz/" );
p = fs::weakly_canonical(dir/"foo/.//bar/././baz/.");
VERIFY( p == dirc/"bar/baz" );
p = fs::weakly_canonical(fs::current_path()/dir/"bar//../foo/bar/baz");
VERIFY( p == dirc/"bar/baz" );
ec = bad_ec;
p = fs::weakly_canonical(dir/"foo//./bar///../biz/.", ec);
VERIFY( !ec );
VERIFY( p == dirc/"biz/" );
ec = bad_ec;
p = fs::weakly_canonical(dir/"foo/.//bar/././baz/.", ec);
VERIFY( !ec );
VERIFY( p == dirc/"bar/baz" );
ec = bad_ec;
p = fs::weakly_canonical(fs::current_path()/dir/"bar//../foo/bar/baz", ec);
VERIFY( !ec );
VERIFY( p == dirc/"bar/baz" );
#endif
// As above, but using "foo/.." instead of "foo",
// because there is no "foo/bar" symlink
p = fs::weakly_canonical(dir/"./bar///../biz/.");
VERIFY( p == dirc/"biz/" );
p = fs::weakly_canonical(dir/"foo/.././/bar/././baz/.");
VERIFY( p == dirc/"bar/baz" );
p = fs::weakly_canonical(fs::current_path()/dir/"bar//../foo/../bar/baz");
VERIFY( p == dirc/"bar/baz" );
ec = bad_ec;
p = fs::weakly_canonical(dir/"foo/..//./bar///../biz/.", ec);
VERIFY( !ec );
VERIFY( p == dirc/"biz/" );
ec = bad_ec;
p = fs::weakly_canonical(dir/"foo/.././/bar/././baz/.", ec);
VERIFY( !ec );
VERIFY( p == dirc/"bar/baz" );
ec = bad_ec;
p = fs::weakly_canonical(fs::current_path()/dir/"bar//../foo/../bar/baz", ec);
VERIFY( !ec );
VERIFY( p == dirc/"bar/baz" );
fs::remove_all(dir, ec);
}
int
main()
{
test01();
}
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