gcc/libstdc++-v3/testsuite/20_util/temporary_buffer.cc
2021-01-04 10:26:59 +01:00

49 lines
1.4 KiB
C++

// 2002-01-24 Phil Edwards <pme@gcc.gnu.org>
// Copyright (C) 2002-2021 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/>.
// 20.4.3 temporary buffers
#include <memory>
#include <testsuite_hooks.h>
struct junk { char j[12]; };
int main(void)
{
typedef std::pair<junk*, std::ptrdiff_t> pair_type;
pair_type results = std::get_temporary_buffer<junk>(5);
if (results.second != 0)
{
// make sure it works: test the returned capacity, and then construct
// some junk in the buffer.
// XXX
VERIFY( results.first != 0 );
}
else
{
// if it says it didn't work, make sure it didn't work
VERIFY( results.first == 0 );
}
std::return_temporary_buffer(results.first);
return 0;
}