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// { dg-options "-std=gnu++17 -lstdc++fs" }
// { dg-do run { target c++17 } }
// { dg-require-filesystem-ts "" }
// Copyright (C) 2014-2018 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/>.
// 8.4.9 path decomposition [path.decompose]
#include <filesystem>
#include <testsuite_hooks.h>
#include <testsuite_fs.h>
using std::filesystem::path;
void
test01()
{
path p1 = "foo";
VERIFY( p1.relative_path() == p1 );
path p2 = "foo/bar";
VERIFY( p2.relative_path() == p2 );
path p3 = "/foo/bar";
VERIFY( p3.relative_path() == p2 );
}
#include <iostream> // XXX
void
test02()
{
for (const path& p : __gnu_test::test_paths)
{
bool after_root = false;
const path prel = p.relative_path();
VERIFY( !prel.has_root_name() );
path rel;
for (const auto& cmpt : p)
{
if (!cmpt.has_root_path())
after_root = true;
if (after_root)
rel /= cmpt;
}
if (prel != rel)
std::cout << prel << ' ' << rel << '\n';
VERIFY( prel == rel );
}
}
int
main()
{
test01();
test02();
}
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