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// 2001-05-21 Benjamin Kosnik <bkoz@redhat.com>
// Copyright (C) 2001-2016 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 <streambuf>
#include <locale>
#include <cwchar>
#include <testsuite_hooks.h>
class MyTraits : public std::char_traits<wchar_t>
{
public:
static bool eq(wchar_t c1, wchar_t c2)
{
bool test __attribute__((unused)) = true;
VERIFY( c1 != L'X' );
VERIFY( c2 != L'X' );
return std::char_traits<wchar_t>::eq(c1, c2);
}
};
class MyBuf : public std::basic_streambuf<wchar_t, MyTraits>
{
wchar_t buffer[8];
public:
MyBuf()
{
std::wmemset(buffer, L'X', sizeof(buffer) / sizeof(buffer[0]));
std::wmemset(buffer + 2, L'f', 4);
setg(buffer + 2, buffer + 2, buffer + 6);
}
};
// libstdc++/9538
void test08()
{
bool test __attribute__((unused)) = true;
MyBuf mb;
mb.sputbackc(L'a');
}
int main()
{
test08();
return 0;
}
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