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//
// Copyright (C) 2007, 2009 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/>.
#include <exception>
#include <stdexcept>
#include <cstdlib>
#include <cstdio>
namespace __gnu_test
{
struct counter_error : public std::exception { };
struct counter
{
std::size_t _M_count;
bool _M_throw;
counter() : _M_count(0), _M_throw(true) { }
~counter()
{
if (_M_throw && _M_count != 0)
throw counter_error();
}
static void
increment() { get()._M_count++; }
static void
decrement() { get()._M_count--; }
static counter&
get()
{
static counter g;
return g;
}
static std::size_t
count() { return get()._M_count; }
static void
exceptions(bool __b) { get()._M_throw = __b; }
};
template<typename Alloc, bool uses_global_new>
bool
check_new(Alloc a = Alloc())
{
__gnu_test::counter::exceptions(false);
a.allocate(10);
const bool __b((__gnu_test::counter::count() > 0) == uses_global_new);
if (!__b)
throw std::logic_error("counter not incremented");
return __b;
}
template<typename Alloc, bool uses_global_delete>
bool
check_delete(Alloc a = Alloc())
{
__gnu_test::counter::exceptions(false);
typename Alloc::pointer p = a.allocate(10);
const std::size_t count1 = __gnu_test::counter::count();
a.deallocate(p, 10);
const std::size_t count2 = __gnu_test::counter::count();
const bool __b((count2 < count1) == uses_global_delete);
if (!__b)
throw std::logic_error("counter not decremented");
return __b;
}
} // namespace __gnu_test
void* operator new(std::size_t size) throw(std::bad_alloc)
{
std::printf("operator new is called \n");
void* p = std::malloc(size);
if (p == NULL)
throw std::bad_alloc();
__gnu_test::counter::increment();
return p;
}
void operator delete(void* p) throw()
{
std::printf("operator delete is called \n");
if (p != NULL)
{
std::free(p);
__gnu_test::counter::decrement();
std::size_t count = __gnu_test::counter::count();
if (count == 0)
std::printf("All memory released \n");
else
std::printf("%lu allocations to be released \n", count);
}
}
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