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// Copyright (C) 2015-2018 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-do run { target c++14 } }
#include <experimental/buffer>
#include <testsuite_hooks.h>
using std::experimental::net::mutable_buffer;
using std::experimental::net::const_buffer;
void
test01()
{
bool test __attribute__((unused)) = false;
char c[4];
mutable_buffer mb;
mb = mb + 0;
VERIFY( mb.data() == nullptr );
VERIFY( mb.size() == 0 );
mb = 0 + mb;
VERIFY( mb.data() == nullptr );
VERIFY( mb.size() == 0 );
mb = mutable_buffer(c, sizeof(c));
mb = mb + 1;
VERIFY( mb.data() == c+1 );
VERIFY( mb.size() == 3 );
mb = mb + 2;
VERIFY( mb.data() == c+3 );
VERIFY( mb.size() == 1 );
mb = mb + 2;
VERIFY( mb.data() == c+4 );
VERIFY( mb.size() == 0 );
mb = mutable_buffer(c, sizeof(c));
mb = 3 + mb;
VERIFY( mb.data() == c+3 );
VERIFY( mb.size() == 1 );
mb = 2 + mb;
VERIFY( mb.data() == c+4 );
VERIFY( mb.size() == 0 );
}
void
test02()
{
bool test __attribute__((unused)) = false;
char c[4];
const_buffer cb;
cb = cb + 0;
VERIFY( cb.data() == nullptr );
VERIFY( cb.size() == 0 );
cb = 0 + cb;
VERIFY( cb.data() == nullptr );
VERIFY( cb.size() == 0 );
cb = const_buffer(c, sizeof(c));
cb = cb + 1;
VERIFY( cb.data() == c+1 );
VERIFY( cb.size() == 3 );
cb = cb + 2;
VERIFY( cb.data() == c+3 );
VERIFY( cb.size() == 1 );
cb = cb + 2;
VERIFY( cb.data() == c+4 );
VERIFY( cb.size() == 0 );
cb = const_buffer(c, sizeof(c));
cb = 3 + cb;
VERIFY( cb.data() == c+3 );
VERIFY( cb.size() == 1 );
cb = 2 + cb;
VERIFY( cb.data() == c+4 );
VERIFY( cb.size() == 0 );
}
int
main()
{
test01();
test02();
}
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