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// Copyright (C) 2000-2015 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/>.
// { dg-require-fileio "" }
#include <cstdio>
#include <fstream>
#include <cstring>
#include <ext/stdio_filebuf.h>
#include <testsuite_hooks.h>
void test1()
{
using namespace std;
bool test __attribute__((unused)) = true;
FILE* file = fopen("tmp_10063-1", "w");
putc('0', file);
putc('1', file);
{
__gnu_cxx::stdio_filebuf<char> sbuf(file, ios_base::out);
sbuf.sputc('2');
sbuf.sputc('3');
}
putc('4', file);
fclose(file);
filebuf fbuf;
fbuf.open("tmp_10063-1", ios_base::in);
char buf[10];
streamsize n = fbuf.sgetn(buf, sizeof(buf));
fbuf.close();
VERIFY(n == 5);
VERIFY(!memcmp(buf, "01234", 5));
}
int main()
{
test1();
return 0;
}
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