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container/test/propagate_allocator_test.hpp

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//////////////////////////////////////////////////////////////////////////////
//
// (C) Copyright Ion Gaztanaga 2008. Distributed under the Boost
// Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
// See http://www.boost.org/libs/container for documentation.
//
//////////////////////////////////////////////////////////////////////////////
#ifndef BOOST_CONTAINER_PROPAGATE_ALLOCATOR_TEST_HPP
#define BOOST_CONTAINER_PROPAGATE_ALLOCATOR_TEST_HPP
#include <boost/container/detail/config_begin.hpp>
#include <boost/core/lightweight_test.hpp>
#include "dummy_test_allocator.hpp"
#include <iostream>
namespace boost{
namespace container {
namespace test{
template<class Selector>
struct alloc_propagate_base;
template<class T, class Allocator, class Selector>
class alloc_propagate_wrapper
: public alloc_propagate_base<Selector>::template apply<T, Allocator>::type
{
BOOST_COPYABLE_AND_MOVABLE(alloc_propagate_wrapper)
public:
typedef typename alloc_propagate_base
<Selector>::template apply<T, Allocator>::type Base;
typedef typename Base::allocator_type allocator_type;
typedef typename Base::value_type value_type;
typedef typename Base::size_type size_type;
alloc_propagate_wrapper()
: Base()
{}
explicit alloc_propagate_wrapper(const allocator_type &a)
: Base(a)
{}
/*
//sequence containers only
explicit alloc_propagate_wrapper(size_type n, const value_type &v, const allocator_type &a)
: Base(n, v, a)
{}
alloc_propagate_wrapper(size_type n, const allocator_type &a)
: Base(n, a)
{}*/
template<class Iterator>
alloc_propagate_wrapper(Iterator b, Iterator e, const allocator_type &a)
: Base(b, e, a)
{}
#if !defined(BOOST_NO_CXX11_HDR_INITIALIZER_LIST)
alloc_propagate_wrapper(std::initializer_list<value_type> il, const allocator_type& a)
: Base(il, a)
{}
/*
//associative containers only
alloc_propagate_wrapper(std::initializer_list<value_type> il, const Compare& comp, const allocator_type& a)
: Base(il, comp, a)
{}*/
#endif
alloc_propagate_wrapper(const alloc_propagate_wrapper &x)
: Base(x)
{}
alloc_propagate_wrapper(const alloc_propagate_wrapper &x, const allocator_type &a)
: Base(x, a)
{}
alloc_propagate_wrapper(BOOST_RV_REF(alloc_propagate_wrapper) x)
: Base(boost::move(static_cast<Base&>(x)))
{}
alloc_propagate_wrapper(BOOST_RV_REF(alloc_propagate_wrapper) x, const allocator_type &a)
: Base(boost::move(static_cast<Base&>(x)), a)
{}
alloc_propagate_wrapper &operator=(BOOST_COPY_ASSIGN_REF(alloc_propagate_wrapper) x)
{ this->Base::operator=((const Base &)x); return *this; }
alloc_propagate_wrapper &operator=(BOOST_RV_REF(alloc_propagate_wrapper) x)
{ this->Base::operator=(boost::move(static_cast<Base&>(x))); return *this; }
void swap(alloc_propagate_wrapper &x)
{ this->Base::swap(x); }
};
template<class T>
struct get_real_stored_allocator
{
typedef typename T::stored_allocator_type type;
};
template<class Container>
void test_propagate_allocator_allocator_arg();
template<class Selector>
bool test_propagate_allocator()
{
{
typedef propagation_test_allocator<char, true, true, true, true> AlwaysPropagate;
typedef alloc_propagate_wrapper<char, AlwaysPropagate, Selector> PropagateCont;
typedef typename get_real_stored_allocator<typename PropagateCont::Base>::type StoredAllocator;
{
//////////////////////////////////////////
//Test AlwaysPropagate allocator propagation
//////////////////////////////////////////
//default constructor
StoredAllocator::reset_unique_id(111);
PropagateCont c; //stored 112
BOOST_TEST (c.get_stored_allocator().id_ == 112);
BOOST_TEST (c.get_stored_allocator().ctr_copies_ == 0);
BOOST_TEST (c.get_stored_allocator().ctr_moves_ == 0);
BOOST_TEST (c.get_stored_allocator().assign_copies_ == 0);
BOOST_TEST (c.get_stored_allocator().assign_moves_ == 0);
BOOST_TEST (c.get_stored_allocator().swaps_ == 0);
}
{
//copy constructor
StoredAllocator::reset_unique_id(222);
PropagateCont c; //stored 223
BOOST_TEST (c.get_stored_allocator().id_ == 223);
//propagate_on_copy_constructor produces copies, moves or RVO (depending on the compiler).
//For allocators that copy in select_on_container_copy_construction, at least we must have a copy
PropagateCont c2(c); //should propagate 223
BOOST_TEST (c2.get_stored_allocator().id_ == 223);
BOOST_TEST (c2.get_stored_allocator().ctr_copies_ >= 1);
BOOST_TEST (c2.get_stored_allocator().ctr_moves_ >= 0);
BOOST_TEST (c2.get_stored_allocator().assign_copies_ == 0);
BOOST_TEST (c2.get_stored_allocator().assign_moves_ == 0);
BOOST_TEST (c2.get_stored_allocator().swaps_ == 0);
}
{
//move constructor
StoredAllocator::reset_unique_id(333);
PropagateCont c; //stored 334
BOOST_TEST (c.get_stored_allocator().id_ == 334);
PropagateCont c2(boost::move(c)); //should propagate 334
BOOST_TEST (c2.get_stored_allocator().id_ == 334);
BOOST_TEST (c2.get_stored_allocator().ctr_copies_ == 0);
BOOST_TEST (c2.get_stored_allocator().ctr_moves_ > 0);
BOOST_TEST (c2.get_stored_allocator().assign_copies_ == 0);
BOOST_TEST (c2.get_stored_allocator().assign_moves_ == 0);
BOOST_TEST (c2.get_stored_allocator().swaps_ == 0);
}
{
//copy assign
StoredAllocator::reset_unique_id(444);
PropagateCont c; //stored 445
BOOST_TEST (c.get_stored_allocator().id_ == 445);
PropagateCont c2; //stored 446
BOOST_TEST (c2.get_stored_allocator().id_ == 446);
c2 = c; //should propagate 445
BOOST_TEST (c2.get_stored_allocator().id_ == 445);
BOOST_TEST (c2.get_stored_allocator().ctr_copies_ == 0);
BOOST_TEST (c2.get_stored_allocator().ctr_moves_ == 0);
BOOST_TEST (c2.get_stored_allocator().assign_copies_ == 1);
BOOST_TEST (c2.get_stored_allocator().assign_moves_ == 0);
BOOST_TEST (c2.get_stored_allocator().swaps_ == 0);
}
{
//move assign
StoredAllocator::reset_unique_id(555);
PropagateCont c; //stored 556
BOOST_TEST (c.get_stored_allocator().id_ == 556);
PropagateCont c2; //stored 557
BOOST_TEST (c2.get_stored_allocator().id_ == 557);
c = boost::move(c2); //should propagate 557
BOOST_TEST (c.get_stored_allocator().id_ == 557);
BOOST_TEST (c.get_stored_allocator().ctr_copies_ == 0);
BOOST_TEST (c.get_stored_allocator().ctr_moves_ == 0);
BOOST_TEST (c.get_stored_allocator().assign_copies_ == 0);
BOOST_TEST (c.get_stored_allocator().assign_moves_ == 1);
BOOST_TEST (c.get_stored_allocator().swaps_ == 0);
}
{
//swap
StoredAllocator::reset_unique_id(666);
PropagateCont c; //stored 667
BOOST_TEST (c.get_stored_allocator().id_ == 667);
PropagateCont c2; //stored 668
BOOST_TEST (c2.get_stored_allocator().id_ == 668);
c.swap(c2);
BOOST_TEST (c2.get_stored_allocator().ctr_copies_ == 0);
BOOST_TEST (c.get_stored_allocator().ctr_copies_ == 0);
BOOST_TEST (c2.get_stored_allocator().ctr_moves_ == 0);
BOOST_TEST (c.get_stored_allocator().ctr_moves_ == 0);
BOOST_TEST (c2.get_stored_allocator().assign_copies_ == 0);
BOOST_TEST (c.get_stored_allocator().assign_copies_ == 0);
BOOST_TEST (c2.get_stored_allocator().assign_moves_ == 0);
BOOST_TEST (c.get_stored_allocator().assign_moves_ == 0);
BOOST_TEST (c2.get_stored_allocator().swaps_ == 1);
BOOST_TEST (c.get_stored_allocator().swaps_ == 1);
}
//And now allocator argument constructors
test_propagate_allocator_allocator_arg<PropagateCont>();
}
//////////////////////////////////////////
//Test NeverPropagate allocator propagation
//////////////////////////////////////////
{
typedef propagation_test_allocator<char, false, false, false, false> NeverPropagate;
typedef alloc_propagate_wrapper<char, NeverPropagate, Selector> NoPropagateCont;
typedef typename get_real_stored_allocator<typename NoPropagateCont::Base>::type StoredAllocator;
{
//default constructor
StoredAllocator::reset_unique_id(111);
NoPropagateCont c; //stored 112
BOOST_TEST (c.get_stored_allocator().id_ == 112);
BOOST_TEST (c.get_stored_allocator().ctr_copies_ == 0);
BOOST_TEST (c.get_stored_allocator().ctr_moves_ == 0);
BOOST_TEST (c.get_stored_allocator().assign_copies_ == 0);
BOOST_TEST (c.get_stored_allocator().assign_moves_ == 0);
BOOST_TEST (c.get_stored_allocator().swaps_ == 0);
}
{
//copy constructor
//propagate_on_copy_constructor produces copies, moves or RVO (depending on the compiler)
//For allocators that don't copy in select_on_container_copy_construction we must have a default
//construction
StoredAllocator::reset_unique_id(222);
NoPropagateCont c; //stored 223
BOOST_TEST (c.get_stored_allocator().id_ == 223);
NoPropagateCont c2(c); //should NOT propagate 223
BOOST_TEST (c2.get_stored_allocator().id_ == 224);
BOOST_TEST (c2.get_stored_allocator().ctr_copies_ >= 0);
BOOST_TEST (c2.get_stored_allocator().ctr_moves_ >= 0);
BOOST_TEST (c2.get_stored_allocator().assign_copies_ == 0);
BOOST_TEST (c2.get_stored_allocator().assign_moves_ == 0);
BOOST_TEST (c2.get_stored_allocator().swaps_ == 0);
}
{
//move constructor
StoredAllocator::reset_unique_id(333);
NoPropagateCont c; //stored 334
BOOST_TEST (c.get_stored_allocator().id_ == 334);
NoPropagateCont c2(boost::move(c)); // should NOT propagate 334
BOOST_TEST (c2.get_stored_allocator().ctr_copies_ >= 0);
BOOST_TEST (c2.get_stored_allocator().ctr_moves_ >= 0);
BOOST_TEST (c2.get_stored_allocator().assign_copies_ == 0);
BOOST_TEST (c2.get_stored_allocator().assign_moves_ == 0);
BOOST_TEST (c2.get_stored_allocator().swaps_ == 0);
}
{
//copy assign
StoredAllocator::reset_unique_id(444);
NoPropagateCont c; //stored 445
NoPropagateCont c2; //stored 446
c2 = c; // should NOT propagate 445
BOOST_TEST (c2.get_stored_allocator().id_ == 446);
BOOST_TEST (c2.get_stored_allocator().ctr_copies_ == 0);
BOOST_TEST (c2.get_stored_allocator().ctr_moves_ == 0);
BOOST_TEST (c2.get_stored_allocator().assign_copies_ == 0);
BOOST_TEST (c2.get_stored_allocator().assign_moves_ == 0);
BOOST_TEST (c2.get_stored_allocator().swaps_ == 0);
}
{
//move assign
StoredAllocator::reset_unique_id(555);
NoPropagateCont c; //stored 556
NoPropagateCont c2; //stored 557
c2 = c; // should NOT propagate 556
BOOST_TEST (c2.get_stored_allocator().id_ == 557);
BOOST_TEST (c2.get_stored_allocator().ctr_copies_ == 0);
BOOST_TEST (c2.get_stored_allocator().ctr_moves_ == 0);
BOOST_TEST (c2.get_stored_allocator().assign_copies_ == 0);
BOOST_TEST (c2.get_stored_allocator().assign_moves_ == 0);
BOOST_TEST (c2.get_stored_allocator().swaps_ == 0);
}
{
//swap
StoredAllocator::reset_unique_id(666);
NoPropagateCont c; //stored 667
BOOST_TEST (c.get_stored_allocator().id_ == 667);
NoPropagateCont c2; //stored 668
BOOST_TEST (c2.get_stored_allocator().id_ == 668);
c2.swap(c); // should NOT swap 667 and 668
BOOST_TEST (c2.get_stored_allocator().id_ == 668);
BOOST_TEST (c2.get_stored_allocator().ctr_copies_ == 0);
BOOST_TEST (c2.get_stored_allocator().ctr_moves_ == 0);
BOOST_TEST (c2.get_stored_allocator().assign_copies_ == 0);
BOOST_TEST (c2.get_stored_allocator().assign_moves_ == 0);
BOOST_TEST (c2.get_stored_allocator().swaps_ == 0);
BOOST_TEST (c.get_stored_allocator().id_ == 667);
BOOST_TEST (c.get_stored_allocator().ctr_copies_ == 0);
BOOST_TEST (c.get_stored_allocator().ctr_moves_ == 0);
BOOST_TEST (c.get_stored_allocator().assign_copies_ == 0);
BOOST_TEST (c.get_stored_allocator().assign_moves_ == 0);
BOOST_TEST (c.get_stored_allocator().swaps_ == 0);
}
//And now allocator argument constructors
test_propagate_allocator_allocator_arg<NoPropagateCont>();
}
return report_errors() == 0;
}
template<class Container>
void test_propagate_allocator_allocator_arg()
{
typedef typename Container::allocator_type allocator_type;
typedef typename get_real_stored_allocator<typename Container::Base>::type StoredAllocator;
{ //The allocator must be always propagated
//allocator constructor
allocator_type::reset_unique_id(111);
const allocator_type & a = allocator_type(); //stored 112
Container c(a); //should propagate 112
BOOST_TEST (c.get_stored_allocator().id_ == 112);
BOOST_TEST (c.get_stored_allocator().ctr_copies_ > 0);
BOOST_TEST (c.get_stored_allocator().ctr_moves_ == 0);
BOOST_TEST (c.get_stored_allocator().assign_copies_ == 0);
BOOST_TEST (c.get_stored_allocator().assign_moves_ == 0);
BOOST_TEST (c.get_stored_allocator().swaps_ == 0);
}
{
//copy allocator constructor
StoredAllocator::reset_unique_id(999);
Container c;
//stored_allocator_type could be the same type as allocator_type
//so reset it again to get a predictable result
allocator_type::reset_unique_id(222);
Container c2(c, allocator_type()); //should propagate 223
BOOST_TEST (c2.get_stored_allocator().id_ == 223);
BOOST_TEST (c2.get_stored_allocator().ctr_copies_ > 0);
BOOST_TEST (c2.get_stored_allocator().ctr_moves_ == 0);
BOOST_TEST (c2.get_stored_allocator().assign_copies_ == 0);
BOOST_TEST (c2.get_stored_allocator().assign_moves_ == 0);
BOOST_TEST (c2.get_stored_allocator().swaps_ == 0);
}
{
//move allocator constructor
StoredAllocator::reset_unique_id(999);
Container c;
//stored_allocator_type could be the same type as allocator_type
//so reset it again to get a predictable result
allocator_type::reset_unique_id(333);
Container c2(boost::move(c), allocator_type()); //should propagate 334
BOOST_TEST (c2.get_stored_allocator().id_ == 334);
BOOST_TEST (c2.get_stored_allocator().ctr_copies_ > 0);
BOOST_TEST (c2.get_stored_allocator().ctr_moves_ == 0);
BOOST_TEST (c2.get_stored_allocator().assign_copies_ == 0);
BOOST_TEST (c2.get_stored_allocator().assign_moves_ == 0);
BOOST_TEST (c2.get_stored_allocator().swaps_ == 0);
}
}
} //namespace test{
} //namespace container {
} //namespace boost{
#include <boost/container/detail/config_end.hpp>
#endif //#ifndef BOOST_CONTAINER_PROPAGATE_ALLOCATOR_TEST_HPP
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