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// 2004-01-25 jlquinn@gcc.gnu.org
// Copyright (C) 2004-2015 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/>.
// 27.4.2.5 ios_base storage functions
#include <cstdlib>
#include <new>
#include <iostream>
#include <testsuite_hooks.h>
int new_fails;
void* operator new(std::size_t n, const std::nothrow_t&) throw()
{
if (new_fails)
return 0;
return malloc(n);
}
void* operator new[] (std::size_t n, const std::nothrow_t& ntt) throw()
{ return operator new(n, ntt); }
void operator delete (void *p) throw() { free(p); }
void operator delete[] (void *p) throw() { operator delete(p); }
int main ()
{
bool test __attribute__((unused)) = true;
const int i = std::ios::xalloc();
VERIFY( i >= 0 );
new_fails = 1;
// Successive accesses to failure storage clears to zero.
std::cout.iword(100) = 69;
VERIFY( std::cout.iword(100) == 0 );
// Access to pword failure storage shouldn't clear iword pword storage.
long& lr = std::cout.iword(100);
lr = 69;
void* pv = std::cout.pword(100);
VERIFY( pv == 0 );
VERIFY( lr == 69 );
return 0;
}
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