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66 lines
1.8 KiB
C++
66 lines
1.8 KiB
C++
// (C) Copyright John Maddock 2001.
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// Use, modification and distribution are subject to the
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// Boost Software License, Version 1.0. (See accompanying file
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// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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// See http://www.boost.org/libs/config for most recent version.
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// MACRO: BOOST_HAS_PARTIAL_STD_ALLOCATOR
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// TITLE: limited std::allocator support
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// DESCRIPTION: The std lib has at least some kind of stanfard allocator
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// with allocate/deallocate members and probably not much more.
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#include <memory>
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#if defined(__GNUC__) && ((__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 7)))
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# define BOOST_UNUSED_ATTRIBUTE __attribute__((unused))
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#else
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# define BOOST_UNUSED_ATTRIBUTE
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#endif
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namespace boost_has_partial_std_allocator{
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//
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// test everything except rebind template members:
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//
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template <class T>
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int test_allocator(const T& i)
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{
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typedef std::allocator<int> alloc1_t;
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typedef typename alloc1_t::size_type size_type;
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typedef typename alloc1_t::difference_type difference_type BOOST_UNUSED_ATTRIBUTE;
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typedef typename alloc1_t::pointer pointer;
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typedef typename alloc1_t::const_pointer const_pointer;
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typedef typename alloc1_t::reference reference;
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typedef typename alloc1_t::const_reference const_reference;
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typedef typename alloc1_t::value_type value_type BOOST_UNUSED_ATTRIBUTE;
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alloc1_t a1;
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pointer p = a1.allocate(1);
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const_pointer cp = p;
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a1.construct(p,i);
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size_type s = a1.max_size();
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(void)s;
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reference r = *p;
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const_reference cr = *cp;
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if(p != a1.address(r)) return -1;
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if(cp != a1.address(cr)) return -1;
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a1.destroy(p);
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a1.deallocate(p,1);
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return 0;
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}
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int test()
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{
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return test_allocator(0);
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}
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}
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#undef BOOST_UNUSED_ATTRIBUTE
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