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// 2001-05-21 Benjamin Kosnik <bkoz@redhat.com>
// Copyright (C) 2001, 2002, 2003 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 2, 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 COPYING. If not, write to the Free
// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// USA.
// 27.8.1.4 Overridden virtual functions
#include <fstream>
#include <locale>
#include <testsuite_hooks.h>
const char name_07[] = "filebuf_virtuals-7.txt"; // empty file, need to create
class errorcvt : public std::codecvt<char, char, mbstate_t>
{
protected:
std::codecvt_base::result
do_out(mbstate_t&, const char* from, const char*,
const char*& from_next, char* to, char*,
char*& to_next) const
{
from_next = from;
to_next = to;
return std::codecvt<char, char, mbstate_t>::error;
}
virtual bool do_always_noconv() const throw()
{
return false;
}
};
// libstdc++/9182
// basic_filebuf<>::sync and overflow do not write out any characters
// if codecvt<>::out returns error
void test14()
{
using namespace std;
bool test __attribute__((unused)) = true;
locale loc = locale::classic();
loc = locale(loc, new errorcvt);
filebuf fbuf1;
fbuf1.pubimbue(loc);
fbuf1.pubsetbuf(0, 0);
fbuf1.open(name_07, ios_base::out | ios_base::trunc);
streamsize n = fbuf1.sputn("onne", 4);
VERIFY( n == 0 );
fbuf1.close();
}
int main()
{
test14();
return 0;
}
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