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// 2003-05-03 Petur Runolfsson <peturr02@ru.is>
// Copyright (C) 2003-2024 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 <locale>
#include <fstream>
#include <cctype>
#include <testsuite_hooks.h>
class Cvt_to_upper : public std::codecvt<char, char, std::mbstate_t>
{
typedef std::codecvt<char, char, std::mbstate_t> Base;
public:
explicit Cvt_to_upper(std::size_t refs = 0)
: Base(refs)
{ }
protected:
virtual result
do_in(state_type&,
const extern_type* from, const extern_type* from_end,
const extern_type*& from_next,
intern_type* to, intern_type* to_end,
intern_type*& to_next) const
{
while (from < from_end && to < to_end)
*to++ = std::toupper(*from++);
to_next = to;
from_next = from;
return from == from_end ? ok : partial;
}
virtual bool
do_always_noconv() const throw()
{
return false;
}
};
// libstdc++/9027
void test01()
{
using namespace std;
const char* name = "filebuf_virtuals-1.txt";
locale loc (locale::classic(), new Cvt_to_upper);
filebuf fbin;
fbin.pubimbue(loc);
fbin.open(name, ios_base::in);
int c;
while ((c = fbin.sbumpc()) != EOF)
{
VERIFY( !islower(c) );
}
fbin.close();
}
int main()
{
test01();
return 0;
}
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