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// 2001-11-25 Phil Edwards <pme@gcc.gnu.org>
//
// Copyright (C) 2001, 2003 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.
// 20.4.1.1 allocator members
#include <cstdlib>
#include <memory>
#include <ext/pool_allocator.h>
#include <ext/debug_allocator.h>
#include <ext/malloc_allocator.h>
#include <testsuite_hooks.h>
using __gnu_cxx::__malloc_alloc;
using __gnu_cxx::__debug_alloc;
using __gnu_cxx::__pool_alloc;
template class __malloc_alloc<3>;
template class __debug_alloc<__malloc_alloc<3> >;
template class __pool_alloc<true, 3>;
template class __pool_alloc<false, 3>;
struct big
{
long f[15];
};
bool new_called;
bool delete_called;
std::size_t requested;
void*
operator new(std::size_t n) throw(std::bad_alloc)
{
new_called = true;
requested = n;
return std::malloc(n);
}
void
operator delete(void *v) throw()
{
delete_called = true;
return std::free(v);
}
template<typename Alloc, bool uses_global_new_and_delete>
void check_allocator()
{
bool test = true;
new_called = false;
delete_called = false;
requested = 0;
std::__allocator<big, Alloc> a;
big *p = a.allocate(10);
if (uses_global_new_and_delete)
VERIFY( requested >= (10 * 15 * sizeof(long)) );
// Touch the far end of supposedly-allocated memory to check that we got
// all of it. Why "3"? Because it's my favorite integer between e and pi.
p[9].f[14] = 3;
VERIFY( new_called == uses_global_new_and_delete );
a.deallocate(p,10);
VERIFY( delete_called == uses_global_new_and_delete );
}
// These just help tracking down error messages.
void test01() { check_allocator<__malloc_alloc<3>, false>(); }
void test02() { check_allocator<__debug_alloc<__malloc_alloc<3> >, false>(); }
void test03() { check_allocator<__pool_alloc<true, 3>, true>(); }
void test04() { check_allocator<__pool_alloc<false, 3>, true>(); }
int main()
{
test01();
test02();
test03();
test04();
return 0;
}
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