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/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
// test_dll_exported.cpp
// (C) Copyright 2002 Robert Ramey - http://www.rrsd.com .
// Use, modification and distribution is subject to 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)
// should pass compilation and execution
// This is an overly complex test. The purpose of this test is to
// demostrate and test the ability to serialize a hiarchy of class
// through a base class pointer even though those class might be
// implemente in different dlls and use different extended type info
// systems.
//
// polymorphic_ base is locally declared and defined. It use the
// "no_rtti" extended type info system.
// polymorphic_derived1 is locally declared and defined. It uses
// the default "type_id" extended type info system
// polymorphic_derived2 is declared in polymorphic_derived.hpp
// and defined in dll_polymorphic_derived2. It uses the typeid
// system.
#include <cstddef> // NULL
#include <fstream>
#include <cstdio> // remove
#include <boost/config.hpp>
#if defined(BOOST_NO_STDC_NAMESPACE)
namespace std{
using ::remove;
}
#endif
// for now, only test with simple text archive
#define BOOST_ARCHIVE_TEST text_archive.hpp
#include "test_tools.hpp"
#include <boost/archive/archive_exception.hpp>
#include <boost/serialization/base_object.hpp>
#include <boost/serialization/export.hpp>
#include <boost/serialization/access.hpp>
#include "polymorphic_base.hpp"
class polymorphic_derived1 : public polymorphic_base
{
friend class boost::serialization::access;
template<class Archive>
void serialize(Archive &ar, const unsigned int /* file_version */){
ar & BOOST_SERIALIZATION_BASE_OBJECT_NVP(polymorphic_base);
}
virtual const char * get_key() const {
return "polymorphic_derived1";
}
public:
virtual ~polymorphic_derived1(){}
};
BOOST_CLASS_EXPORT(polymorphic_derived1)
// MWerks users can do this to make their code work
BOOST_SERIALIZATION_MWERKS_BASE_AND_DERIVED(polymorphic_base, polymorphic_derived1)
#define POLYMORPHIC_DERIVED_IMPORT
#include "polymorphic_derived2.hpp"
// save exported polymorphic class
void save_exported(const char *testfile)
{
test_ostream os(testfile, TEST_STREAM_FLAGS);
test_oarchive oa(os, TEST_ARCHIVE_FLAGS);
polymorphic_base *rb1 = new polymorphic_derived1;
polymorphic_base *rb2 = new polymorphic_derived2;
polymorphic_derived2 *rd21 = new polymorphic_derived2;
// export will permit correct serialization
// through a pointer to a base class
oa << BOOST_SERIALIZATION_NVP(rb1);
oa << BOOST_SERIALIZATION_NVP(rb2);
oa << BOOST_SERIALIZATION_NVP(rd21);
delete rb1;
delete rb2;
}
// save exported polymorphic class
void load_exported(const char *testfile)
{
test_istream is(testfile, TEST_STREAM_FLAGS);
test_iarchive ia(is, TEST_ARCHIVE_FLAGS);
polymorphic_base *rb1 = NULL;
polymorphic_base *rb2 = NULL;
polymorphic_derived2 *rd21 = NULL;
// export will permit correct serialization
// through a pointer to a base class
ia >> BOOST_SERIALIZATION_NVP(rb1);
BOOST_CHECK_MESSAGE(
boost::serialization::type_info_implementation<polymorphic_derived1>
::type::get_const_instance()
==
* boost::serialization::type_info_implementation<polymorphic_base>
::type::get_const_instance().get_derived_extended_type_info(*rb1),
"restored pointer b1 not of correct type"
);
ia >> BOOST_SERIALIZATION_NVP(rb2);
BOOST_CHECK_MESSAGE(
boost::serialization::type_info_implementation<polymorphic_derived2>
::type::get_const_instance()
==
* boost::serialization::type_info_implementation<polymorphic_base>
::type::get_const_instance().get_derived_extended_type_info(*rb2),
"restored pointer b2 not of correct type"
);
ia >> BOOST_SERIALIZATION_NVP(rd21);
BOOST_CHECK_MESSAGE(
boost::serialization::type_info_implementation<polymorphic_derived2>
::type::get_const_instance()
==
* boost::serialization::type_info_implementation<polymorphic_derived2>
::type::get_const_instance().get_derived_extended_type_info(*rd21),
"restored pointer d2 not of correct type"
);
delete rb1;
delete rb2;
delete rd21;
}
int
test_main( int /* argc */, char* /* argv */[] )
{
const char * testfile = boost::archive::tmpnam(NULL);
BOOST_REQUIRE(NULL != testfile);
save_exported(testfile);
load_exported(testfile);
std::remove(testfile);
return EXIT_SUCCESS;
}
// EOF
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