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// 2000-12-19 bkoz
// Copyright (C) 2000, 2002, 2003 Free Software Foundation
//
// 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.
// 27.4.2.5 ios_base storage functions
// XXX This test will not work for some versions of irix6 because of
// XXX bug(s) in libc malloc for very large allocations. However
// XXX -lmalloc seems to work.
// See http://gcc.gnu.org/ml/gcc/2002-05/msg01012.html
// { dg-options "-lmalloc" { target mips*-*-irix6* } }
#include <sstream>
#include <iostream>
#include <testsuite_hooks.h>
// http://gcc.gnu.org/ml/gcc-bugs/2000-12/msg00413.html
void test01()
{
bool test = true;
using namespace std;
long x1 = ios::xalloc();
long x2 = ios::xalloc();
long x3 = ios::xalloc();
long x4 = ios::xalloc();
ostringstream out("the element of crime, lars von trier");
out.pword(++x4); // should not crash
}
// libstdc++/3129
void test02()
{
bool test = true;
int max = std::numeric_limits<int>::max() - 1;
std::stringbuf strbuf;
std::ios ios(&strbuf);
ios.exceptions(std::ios::badbit);
long l = 0;
void* v = 0;
// pword
ios.pword(1) = v;
VERIFY( ios.pword(1) == v );
try
{
v = ios.pword(max);
}
catch(std::ios_base::failure& obj)
{
// Ok.
VERIFY( ios.bad() );
}
catch(...)
{
VERIFY( test = false );
}
VERIFY( v == 0 );
VERIFY( ios.pword(1) == v );
// max is different code path from max-1
v = &test;
try
{
v = ios.pword(std::numeric_limits<int>::max());
}
catch(std::ios_base::failure& obj)
{
// Ok.
VERIFY( ios.bad() );
}
catch(...)
{
VERIFY( test = false );
}
VERIFY( v == &test );
// iword
ios.iword(1) = 1;
VERIFY( ios.iword(1) == 1 );
try
{
l = ios.iword(max);
}
catch(std::ios_base::failure& obj)
{
// Ok.
VERIFY( ios.bad() );
}
catch(...)
{
VERIFY( test = false );
}
VERIFY( l == 0 );
VERIFY( ios.iword(1) == 1 );
// max is different code path from max-1
l = 1;
try
{
l = ios.iword(std::numeric_limits<int>::max());
}
catch(std::ios_base::failure& obj)
{
// Ok.
VERIFY( ios.bad() );
}
catch(...)
{
VERIFY( test = false );
}
VERIFY( l == 1 );
}
class derived : public std::ios_base
{
public:
derived() {}
};
void test03()
{
derived d;
d.pword(0) = &d;
d.iword(0) = 1;
}
int main(void)
{
__gnu_cxx_test::set_memory_limits();
test01();
test02();
test03();
return 0;
}
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