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// { dg-require-namedlocale "se_NO.UTF-8" }
// 2003-09-04 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 <cstdio>
#include <testsuite_hooks.h>
// Test that unbuffered really means unbuffered for UTF-8
void test05()
{
using namespace std;
const char* name = "tmp_underflow-5";
wfilebuf fb;
fb.pubsetbuf(0, 0);
fb.pubimbue(locale("se_NO.UTF-8"));
FILE* file = fopen(name, "w");
setvbuf(file, 0, _IONBF, 0);
fputs("abcde", file);
fb.open(name, ios_base::in);
VERIFY( fb.sbumpc() == L'a' );
fseek(file, 1, SEEK_SET);
fputc('0', file);
VERIFY( fb.sbumpc() == L'0' );
VERIFY( fb.sbumpc() == L'c' );
fputc('1', file);
fputc('2', file);
VERIFY( fb.sbumpc() == L'2' );
VERIFY( fb.sbumpc() == L'e' );
VERIFY( fb.sbumpc() == WEOF );
fputc('3', file);
fputc('4', file);
VERIFY( fb.sbumpc() == L'4' );
VERIFY( fb.sbumpc() == WEOF );
fb.close();
fclose(file);
}
int main()
{
test05();
return 0;
}
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