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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 "" }
// 15.4 Copy [fs.op.copy_file]
#include <filesystem>
#include <fstream>
#include <testsuite_fs.h>
#include <testsuite_hooks.h>
void
test01()
{
using std::filesystem::copy_options;
std::error_code ec;
auto from = __gnu_test::nonexistent_path();
auto to = __gnu_test::nonexistent_path();
// test non-existent file
bool b = copy_file(from, to, ec);
VERIFY( !b );
VERIFY( ec );
VERIFY( !exists(to) );
// test empty file
std::ofstream{from};
VERIFY( exists(from) );
VERIFY( file_size(from) == 0 );
b = copy_file(from, to);
VERIFY( b );
VERIFY( exists(to) );
VERIFY( file_size(to) == 0 );
remove(to);
VERIFY( !exists(to) );
b = copy_file(from, to, copy_options::none, ec);
VERIFY( b );
VERIFY( !ec );
VERIFY( exists(to) );
VERIFY( file_size(to) == 0 );
std::ofstream{from} << "Hello, filesystem!";
VERIFY( file_size(from) != 0 );
remove(to);
VERIFY( !exists(to) );
b = copy_file(from, to);
VERIFY( b );
VERIFY( exists(to) );
VERIFY( file_size(to) == file_size(from) );
remove(to);
VERIFY( !exists(to) );
b = copy_file(from, to);
VERIFY( b );
VERIFY( exists(to) );
VERIFY( file_size(to) == file_size(from) );
remove(from);
remove(to);
}
int
main()
{
test01();
}
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