8sa1-gcc/libstdc++-v3/testsuite/27_io/filebuf_members.cc
Benjamin Kosnik 127644626f fstream.tcc: Add bool parameter to filebuf ctor.
2001-04-03  Benjamin Kosnik  <bkoz@redhat.com>

	* include/bits/fstream.tcc: Add bool parameter to filebuf ctor.
	* include/bits/ios_base.h(ios_base::Init): Remove _M_cout, _M_cin,
	_M_cerr, _M_wcout, _M_wcin, _M_wcerr.
	(ios_base::Init::_S_ios_create): New.
	(ios_base::Init::_S_ios_destroy): New.
	* include/bits/std_fstream.h: Change ctor args.
	* src/ios.cc (ios_base::Init::Init): Use _S_ios_create.
	(ios_base::Init::~Init): Use _S_ios_destroy.
	(ios_base::sync_with_stdio): Use new members.
	* testsuite/27_io/filebuf_members.cc: Fix calling conventions for
	filebuf ctor.

From-SVN: r41072
2001-04-04 01:02:26 +00:00

92 lines
2.2 KiB
C++

// Copyright (C) 2000 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 2, 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 COPYING. If not, write to the Free
// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// USA.
// 27.8.1.3 filebuf member functions
// @require@ %-*.tst %-*.txt
// @diff@ %-*.tst %-*.txt
// various tests for filebuf::open() and filebuf::close() including
// the non-portable functionality in the libstdc++-v3 IO library
#include <fstream>
#include <cassert>
#include <unistd.h>
#include <fcntl.h>
#include <debug_assert.h>
// verify that std::filebuf doesn't close files that it didn't open
// when using the following std::filebuf ctor:
//
// std::filebuf(int __fd,
// const char* __unused,
// ios_base::openmode __mode);
//
// thanks to "George T. Talbot" <george@moberg.com> for uncovering
// this bug/situation.
const char name_01[] = "filebuf_members-1.tst";
const char name_02[] = "filebuf_members-1.txt";
int
test_01()
{
bool test = true;
int close_num;
// read (ext)
FILE* f2 = fopen(name_01, "r");
VERIFY( f2 != NULL );
{
std::filebuf fb(f2, false, std::ios_base::in);
}
close_num = fclose(f2);
VERIFY( close_num == 0 );
// read (standard)
FILE* f = fopen(name_01, "r");
VERIFY( f != NULL );
{
std::ifstream ifstream1(name_01);
VERIFY( ifstream1.is_open() );
std::ios_base::iostate st01 = ifstream1.rdstate();
VERIFY( st01 == std::ios_base::goodbit );
}
close_num = fclose(f);
VERIFY( close_num == 0 );
#ifdef DEBUG_ASSERT
assert(test);
#endif
return test;
}
int
main()
{
test_01();
return 0;
}