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- /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
- // test_no_rtti.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)
- // note: this program tests the inter-operability of different
- // extended typeinfo systems. In this example, one class is
- // identified using the default RTTI while the other uses a custom
- // system based on the export key.
- //
- // As this program uses RTTI for one of the types, the test will fail
- // on a system for which RTTI is not enabled or not existent.
- #include <cstddef>
- #include <fstream>
- #include <iostream>
- #include <boost/config.hpp>
- #include <cstdio> // remove
- #if defined(BOOST_NO_STDC_NAMESPACE)
- namespace std{
- using ::remove;
- }
- #endif
- #include <boost/serialization/type_info_implementation.hpp>
- #include <boost/serialization/export.hpp>
- #include <boost/serialization/nvp.hpp>
- #include "test_tools.hpp"
- #include <boost/archive/polymorphic_oarchive.hpp>
- #include <boost/archive/polymorphic_iarchive.hpp>
- #include "polymorphic_base.hpp"
- #include "polymorphic_derived1.hpp"
- #include "polymorphic_derived2.hpp"
- // save derived polymorphic class
- void save_derived(const char *testfile)
- {
- test_ostream os(testfile, TEST_STREAM_FLAGS);
- test_oarchive oa_implementation(os, TEST_ARCHIVE_FLAGS);
- boost::archive::polymorphic_oarchive & oa_interface = oa_implementation;
- polymorphic_derived1 *rd1 = new polymorphic_derived1;
- polymorphic_derived2 *rd2 = new polymorphic_derived2;
- std::cout << "saving polymorphic_derived1 (no_rtti)\n";
- oa_interface << BOOST_SERIALIZATION_NVP(rd1);
- std::cout << "saving polymorphic_derived2\n";
- oa_interface << BOOST_SERIALIZATION_NVP(rd2);
- const polymorphic_base *rb1 = rd1;
- polymorphic_base *rb2 = rd2;
- std::cout << "saving polymorphic_derived1 (no_rtti) through base (rtti)\n";
- oa_interface << BOOST_SERIALIZATION_NVP(rb1);
- std::cout << "saving polymorphic_derived2 through base\n";
- oa_interface << BOOST_SERIALIZATION_NVP(rb2);
- delete rd1;
- delete rd2;
- }
- void load_derived(const char *testfile)
- {
- test_istream is(testfile, TEST_STREAM_FLAGS);
- test_iarchive ia_implementation(is, TEST_ARCHIVE_FLAGS);
- boost::archive::polymorphic_iarchive & ia_interface = ia_implementation;
- polymorphic_derived1 *rd1 = NULL;
- polymorphic_derived2 *rd2 = NULL;
- std::cout << "loading polymorphic_derived1 (no_rtti)\n";
- ia_interface >> BOOST_SERIALIZATION_NVP(rd1);
- BOOST_CHECK_MESSAGE(
- boost::serialization::type_info_implementation<
- polymorphic_derived1
- >::type::get_const_instance()
- ==
- * boost::serialization::type_info_implementation<
- polymorphic_derived1
- >::type::get_const_instance().get_derived_extended_type_info(*rd1)
- ,
- "restored pointer d1 not of correct type"
- );
- std::cout << "loading polymorphic_derived2\n";
- ia_interface >> BOOST_SERIALIZATION_NVP(rd2);
- 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(*rd2)
- ,
- "restored pointer d2 not of correct type"
- );
- polymorphic_base *rb1 = NULL;
- polymorphic_base *rb2 = NULL;
- // the above opereration registers the derived classes as a side
- // effect. Hence, instances can now be correctly serialized through
- // a base class pointer.
- std::cout << "loading polymorphic_derived1 (no_rtti) through base (no_rtti)\n";
- ia_interface >> BOOST_SERIALIZATION_NVP(rb1);
- BOOST_CHECK_MESSAGE(
- rb1 == dynamic_cast<polymorphic_base *>(rd1),
- "serialized pointers not correctly restored"
- );
- 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"
- );
- std::cout << "loading polymorphic_derived2 through base (no_rtti)\n";
- ia_interface >> BOOST_SERIALIZATION_NVP(rb2);
- BOOST_CHECK_MESSAGE(
- rb2 == dynamic_cast<polymorphic_base *>(rd2),
- "serialized pointers not correctly restored"
- );
- 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"
- );
- delete rb1;
- delete rb2;
- }
- int
- test_main( int /* argc */, char* /* argv */[] )
- {
- const char * testfile = boost::archive::tmpnam(NULL);
- BOOST_REQUIRE(NULL != testfile);
- save_derived(testfile);
- load_derived(testfile);
- std::remove(testfile);
- return EXIT_SUCCESS;
- }
- // EOF
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