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// 2003-05-20 Paolo Carlini <pcarlini@unitus.it>
// Copyright (C) 2003-2015 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/>.
// 27.8.1.3 filebuf member functions
// @require@ %-*.tst %-*.txt
// @diff@ %-*.tst %-*.txt
// Test that upon filebuf::close() 27.8.1.1,3 is enforced.
#include <fstream>
#include <testsuite_hooks.h>
const char name_01[] = "filebuf_virtuals-1.txt"; // file with data in it
const char name_02[] = "filebuf_virtuals-2.txt"; // empty file, need to create
bool overflow_called;
bool underflow_called;
bool uflow_called;
class Close_filebuf : public std::filebuf
{
public:
int_type overflow(int_type c)
{
overflow_called = true;
return std::filebuf::overflow(c);
}
int_type underflow()
{
underflow_called = true;
return std::filebuf::underflow();
}
int_type uflow()
{
uflow_called = true;
return std::filebuf::uflow();
}
};
void test_05()
{
bool test __attribute__((unused)) = true;
Close_filebuf fb_01, fb_02;
char buffer[] = "xxxxxxxxxx";
// 'in'
fb_01.open(name_01, std::ios_base::in);
fb_01.sgetc();
fb_01.close();
underflow_called = false;
fb_01.sgetc();
VERIFY( underflow_called == true );
uflow_called = false;
fb_01.sbumpc();
VERIFY( uflow_called == true );
uflow_called = false;
fb_01.snextc();
VERIFY( uflow_called == true );
uflow_called = false;
fb_01.sgetn(buffer, sizeof(buffer));
VERIFY( uflow_called == true );
// 'out'
fb_02.open(name_02, std::ios_base::out);
fb_02.close();
overflow_called = false;
fb_02.sputc('T');
VERIFY( overflow_called == true );
overflow_called = false;
fb_02.sputn(buffer, sizeof(buffer));
VERIFY( overflow_called == true );
}
int
main()
{
test_05();
return 0;
}
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