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// Copyright (C) 2003-2018 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/>.
// 27.8.1.4 Overridden virtual functions
#include <fstream>
#include <testsuite_hooks.h>
// libstdc++/9533
void test_02()
{
using namespace std;
const char* name = "tmp_file1";
const char* strlit = "0123456789";
filebuf fb;
int written = 0;
fb.open(name, ios_base::out | ios_base::trunc);
for (int i = 0; i < BUFSIZ; ++i)
written += fb.sputn(strlit, 10);
fb.close();
int read = 0;
int n = 0;
char buf[10];
fb.open(name, ios_base::in);
do
{
n = fb.sgetn(buf, sizeof(buf));
read += n;
}
while (n);
VERIFY( read == written );
}
int
main()
{
test_02();
return 0;
}
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