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// { dg-options "-DUSE_FILESYSTEM_TS -lstdc++fs" }
// { dg-do run { target c++11 } }
// { 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/>.
// 8.5 path iterators [path.itr]
#include <experimental/filesystem>
#include <vector>
#include <algorithm>
#include <testsuite_hooks.h>
#include <testsuite_fs.h>
using std::experimental::filesystem::path;
void
test01()
{
path p;
VERIFY( p.begin() == p.end() );
std::vector<path> v, v2;
p = "/";
v.assign(p.begin(), p.end());
v2 = { "/" };
VERIFY( v == v2 );
p = "filename";
v.assign(p.begin(), p.end());
v2 = { "filename" };
VERIFY( v == v2 );
p = "dir/";
v.assign(p.begin(), p.end());
v2 = { "dir", "." };
VERIFY( v == v2 );
p = "//rootname/dir/";
v.assign(p.begin(), p.end());
v2 = { "//rootname", "/", "dir", "." };
VERIFY( v == v2 );
p = "//rootname/dir/filename";
v.assign(p.begin(), p.end());
v2 = { "//rootname", "/", "dir", "filename" };
VERIFY( v == v2 );
}
void
test02()
{
using reverse_iterator = std::reverse_iterator<path::iterator>;
std::vector<path> fwd, rev;
for (const path& p : __gnu_test::test_paths)
{
const auto begin = p.begin(), end = p.end();
fwd.assign(begin, end);
rev.assign(reverse_iterator(end), reverse_iterator(begin));
VERIFY( fwd.size() == rev.size() );
VERIFY( std::equal(fwd.begin(), fwd.end(), rev.rbegin()) );
}
}
void
test03()
{
path paths[] = { "single", "multiple/elements" };
for (const path& p : paths)
for (auto iter = p.begin(); iter != p.end(); ++iter)
{
auto iter2 = iter;
++iter;
iter2++;
VERIFY( iter2 == iter );
--iter;
iter2--;
VERIFY( iter2 == iter );
}
}
int
main()
{
test01();
test02();
test03();
}
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