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// Copyright (C) 2017-2022 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-do run { target c++11 } }
#include <streambuf>
#include <testsuite_hooks.h>
struct streambuf : std::basic_streambuf<char16_t>
{
basic_streambuf* setbuf(char_type* s, std::streamsize n) override
{
setp(s, s + n);
setg(s, s, s + n);
return this;
}
};
void
test01()
{
using traits = streambuf::traits_type;
char16_t buf[2] = { };
streambuf sb;
sb.pubsetbuf(buf, 2);
streambuf::int_type res;
res = sb.sputc(streambuf::char_type(-1));
VERIFY( traits::eq_int_type(res, traits::eof()) == false );
res = sb.sputc(streambuf::char_type(-2));
VERIFY( traits::eq_int_type(res, traits::eof()) == false );
res = sb.sputc(streambuf::char_type(1));
VERIFY( traits::eq_int_type(res, traits::eof()) == true );
VERIFY( buf[0] == streambuf::char_type(-1) );
VERIFY( buf[1] == streambuf::char_type(-2) );
}
int
main()
{
test01();
}
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