b988dfc58f
2002-04-08 Benjamin Kosnik <bkoz@redhat.com> libstdc++/5180 * include/bits/fstream.tcc (filebuf::seekpos): Fix. * include/std/std_fstream.h: Clean. * include/bits/ostream.tcc: Remove extraneous variables. * include/bits/sstream.tcc (stringbuf::seekoff): Be strict about open modes and which modes. (stringbuf::seekpos): Same. * testsuite/27_io/stringbuf_virtuals.cc: New tests. From-SVN: r52057
88 lines
2.2 KiB
C++
88 lines
2.2 KiB
C++
// 2001-05-21 Benjamin Kosnik <bkoz@redhat.com>
|
|
|
|
// Copyright (C) 2001, 2002 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.
|
|
|
|
// 27.7.1.3 Overridden virtual functions
|
|
|
|
#include <sstream>
|
|
#include <testsuite_hooks.h>
|
|
|
|
void test01()
|
|
{
|
|
using namespace std;
|
|
|
|
bool test = true;
|
|
char buf[512];
|
|
const char* strlit = "how to tell a story and other essays: mark twain";
|
|
const size_t strlitsize = std::strlen(strlit);
|
|
stringbuf sbuf(ios_base::out);
|
|
|
|
sbuf.pubsetbuf(buf, strlitsize);
|
|
sbuf.sputn(strlit, strlitsize);
|
|
VERIFY( std::strncmp(strlit, buf, strlitsize) != 0 );
|
|
}
|
|
|
|
void test02(std::stringbuf& in, bool pass)
|
|
{
|
|
using namespace std;
|
|
typedef streambuf::pos_type pos_type;
|
|
typedef streambuf::off_type off_type;
|
|
pos_type bad = pos_type(off_type(-1));
|
|
pos_type p = 0;
|
|
|
|
// seekoff
|
|
p = in.pubseekoff(0, ios_base::beg, ios_base::in);
|
|
if (pass)
|
|
VERIFY( p != bad );
|
|
|
|
p = in.pubseekoff(0, ios_base::beg, ios_base::out);
|
|
VERIFY( p == bad );
|
|
|
|
p = in.pubseekoff(0, ios_base::beg);
|
|
VERIFY( p == bad );
|
|
|
|
|
|
// seekpos
|
|
p = in.pubseekpos(0, ios_base::in);
|
|
if (pass)
|
|
VERIFY( p != bad );
|
|
|
|
p = in.pubseekpos(0, ios_base::out);
|
|
VERIFY( p == bad );
|
|
|
|
p = in.pubseekpos(0);
|
|
VERIFY( p == bad );
|
|
}
|
|
|
|
int main()
|
|
{
|
|
using namespace std;
|
|
test01();
|
|
|
|
// movie star, submarine scientist!
|
|
stringbuf in1("Hedy Lamarr", ios_base::in);
|
|
stringbuf in2(ios_base::in);
|
|
stringbuf in3("", ios_base::in);
|
|
test02(in1, true);
|
|
test02(in2, false);
|
|
test02(in3, false);
|
|
|
|
return 0;
|
|
}
|