mirror of
https://github.com/boostorg/config.git
synced 2025-11-03 01:02:16 +01:00
68 lines
1.8 KiB
C++
68 lines
1.8 KiB
C++
// (C) Copyright John Maddock 2001. Permission to copy, use, modify, sell and
|
|
// distribute this software is granted provided this copyright notice appears
|
|
// in all copies. This software is provided "as is" without express or implied
|
|
// warranty, and with no claim as to its suitability for any purpose.
|
|
|
|
// MACRO: BOOST_NO_STD_ALLOCATOR
|
|
// TITLE: std::allocator
|
|
// DESCRIPTION: The C++ standard library does not provide
|
|
// a standards conforming std::allocator.
|
|
|
|
#ifndef BOOST_NESTED_TEMPLATE
|
|
#define BOOST_NESTED_TEMPLATE template
|
|
#endif
|
|
|
|
#include <memory>
|
|
|
|
namespace boost_no_std_allocator{
|
|
|
|
template <class T>
|
|
int test_allocator(const T& i)
|
|
{
|
|
typedef std::allocator<int> alloc1_t;
|
|
typedef typename alloc1_t::size_type size_type;
|
|
typedef typename alloc1_t::difference_type difference_type;
|
|
typedef typename alloc1_t::pointer pointer;
|
|
typedef typename alloc1_t::const_pointer const_pointer;
|
|
typedef typename alloc1_t::reference reference;
|
|
typedef typename alloc1_t::const_reference const_reference;
|
|
typedef typename alloc1_t::value_type value_type;
|
|
|
|
typedef typename alloc1_t::BOOST_NESTED_TEMPLATE rebind<double> binder_t;
|
|
typedef typename binder_t::other alloc2_t;
|
|
|
|
alloc1_t a1;
|
|
alloc1_t a2(a1);
|
|
|
|
pointer p = a1.allocate(1);
|
|
const_pointer cp = p;
|
|
a1.construct(p,i);
|
|
size_type s = a1.max_size();
|
|
(void)s;
|
|
reference r = *p;
|
|
const_reference cr = *cp;
|
|
if(p != a1.address(r)) return -1;
|
|
if(cp != a1.address(cr)) return -1;
|
|
a1.destroy(p);
|
|
a1.deallocate(p,1);
|
|
|
|
alloc2_t a3(a1);
|
|
// this chokes early versions of the MSL library
|
|
// and isn't currently required by anything in boost
|
|
// so don't test for now...
|
|
// a3 = a2;
|
|
return 0;
|
|
}
|
|
|
|
|
|
int test()
|
|
{
|
|
return test_allocator(0);
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|