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//////////////////////////////////////////////////////////////////////////////

// This file is the adaptation of shared_from_this_test.cpp from smart_ptr library

// (C) Copyright Ion Gaztanaga 2005-2012. 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/interprocess for documentation.

//////////////////////////////////////////////////////////////////////////////

#include <boost/interprocess/detail/workaround.hpp>

#include <boost/interprocess/smart_ptr/enable_shared_from_this.hpp>

#include <boost/interprocess/smart_ptr/shared_ptr.hpp>

#include <boost/core/lightweight_test.hpp>

#include <boost/interprocess/managed_shared_memory.hpp>

#include "get_process_id_name.hpp"

using namespace boost::interprocess;

typedef allocator<void, managed_shared_memory::segment_manager>

v_allocator_t;

struct X;

typedef deleter<X, managed_shared_memory::segment_manager> x_deleter_t;

struct X :

public enable_shared_from_this<X, v_allocator_t, x_deleter_t>

{

};

typedef shared_ptr<X, v_allocator_t, x_deleter_t> v_shared_ptr;

template<class ManagedMemory>

void test_enable_shared_this(ManagedMemory &managed_mem)

{

v_shared_ptr p(make_managed_shared_ptr

(managed_mem.template construct<X>(anonymous_instance)(), managed_mem));

v_shared_ptr q = p->shared_from_this();

BOOST_TEST(p == q);

BOOST_TEST(!(p < q) && !(q < p));

X v2(*p);

BOOST_INTERPROCESS_TRY

{

//This should throw bad_weak_ptr

v_shared_ptr r = v2.shared_from_this();

BOOST_ERROR("v2.shared_from_this() failed to throw");

}

BOOST_INTERPROCESS_CATCH(boost::interprocess::bad_weak_ptr const &)

{

//This is the expected path

}

BOOST_INTERPROCESS_CATCH(...){

BOOST_ERROR("v2.shared_from_this() threw an unexpected exception");

} BOOST_INTERPROCESS_CATCH_END

BOOST_INTERPROCESS_TRY

{

//This should not throw bad_weak_ptr

*p = X();

v_shared_ptr r = p->shared_from_this();

BOOST_TEST(p == r);

BOOST_TEST(!(p < r) && !(r < p));

}

BOOST_INTERPROCESS_CATCH(boost::interprocess::bad_weak_ptr const &)

{

BOOST_ERROR("p->shared_from_this() threw bad_weak_ptr after *p = X()");

}

BOOST_INTERPROCESS_CATCH(...)

{

BOOST_ERROR("p->shared_from_this() threw an unexpected exception after *p = X()");

} BOOST_INTERPROCESS_CATCH_END

}

int main()

{

std::string process_name;

test::get_process_id_name(process_name);

shared_memory_object::remove(process_name.c_str());

managed_shared_memory shmem(create_only, process_name.c_str(), 65536);

test_enable_shared_this(shmem);

shared_memory_object::remove(process_name.c_str());

return boost::report_errors();

}

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