Retro68/gcc/libstdc++-v3/testsuite/27_io/fpos/14775.cc
2015-08-28 17:33:40 +02:00

55 lines
1.5 KiB
C++

// 2004-03-31 Paolo Carlini <pcarlini@suse.de>
// Copyright (C) 2004-2015 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/>.
// 27.4.3 fpos
#include <fstream>
#include <testsuite_hooks.h>
#define TWO_GB 2147483648UL
// Basic test for LFS support.
void test01()
{
#if defined (_GLIBCXX_USE_LFS) && defined (_GLIBCXX_HAVE_LIMIT_FSIZE)
using namespace std;
bool test __attribute__((unused)) = true;
typedef filebuf::pos_type pos_type;
typedef filebuf::off_type off_type;
__gnu_test::set_file_limit(TWO_GB + 200);
basic_filebuf<char> fb;
fb.open("tmp_14775", ios_base::out | ios_base::in | ios_base::trunc);
pos_type ret = fb.pubseekoff(TWO_GB + 100, ios_base::beg);
VERIFY( ret != pos_type(off_type(-1)) );
fb.close();
#endif
}
int main()
{
test01();
return 0;
}