| /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8 |
| // test_unregistered.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 |
| |
| #include <fstream> |
| |
| #include <cstddef> // NULL |
| #include <cstdio> // remove |
| #include <boost/config.hpp> |
| #if defined(BOOST_NO_STDC_NAMESPACE) |
| namespace std{ |
| using ::remove; |
| } |
| #endif |
| |
| #include "test_tools.hpp" |
| |
| #include <boost/archive/archive_exception.hpp> |
| #include <boost/serialization/base_object.hpp> |
| #include <boost/serialization/type_info_implementation.hpp> |
| #include <boost/detail/no_exceptions_support.hpp> |
| |
| class polymorphic_base |
| { |
| friend class boost::serialization::access; |
| template<class Archive> |
| void serialize(Archive & /* ar */, const unsigned int /* file_version */){ |
| } |
| public: |
| virtual ~polymorphic_base(){}; |
| }; |
| |
| 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); |
| } |
| }; |
| |
| class polymorphic_derived2 : 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); |
| } |
| }; |
| |
| // save unregistered polymorphic classes |
| void save_unregistered1(const char *testfile) |
| { |
| test_ostream os(testfile, TEST_STREAM_FLAGS); |
| test_oarchive oa(os, TEST_ARCHIVE_FLAGS); |
| |
| polymorphic_base *rb1 = new polymorphic_derived1; |
| |
| // registration IS necessary when serializing a polymorphic class |
| // through pointer to the base class |
| bool except = false; |
| BOOST_TRY { |
| oa << BOOST_SERIALIZATION_NVP(rb1); |
| } |
| BOOST_CATCH(boost::archive::archive_exception aex){ |
| except = true; |
| } |
| BOOST_CATCH_END |
| BOOST_CHECK_MESSAGE(except, "lack of registration not detected !"); |
| |
| delete rb1; |
| } |
| |
| // note: the corresponding save function above will not result in |
| // valid archive - hence, the following code which attempts to load |
| // and archive will fail. Leave this as a reminder not to do this |
| #if 0 |
| // load unregistered polymorphic classes |
| void load_unregistered1(const char *testfile) |
| { |
| std::ifstream is(testfile); |
| boost::archive::iarchive ia(is); |
| |
| polymorphic_base *rb1(NULL); |
| |
| // registration IS necessary when serializing a polymorphic class |
| // through pointer to the base class |
| bool except = false; |
| BOOST_TRY { |
| ia >> BOOST_SERIALIZATION_NVP(rb1); |
| } |
| BOOST_CATCH(boost::archive::archive_exception aex){ |
| except = true; |
| BOOST_CHECK_MESSAGE( |
| NULL == rb1, |
| "failed load resulted in a non-null pointer" |
| ); |
| } |
| BOOST_CATCH_END |
| BOOST_CHECK_MESSAGE(except, "lack of registration not detected !"); |
| |
| delete rb1; |
| } |
| #endif |
| |
| // save unregistered polymorphic classes |
| void save_unregistered2(const char *testfile) |
| { |
| test_ostream os(testfile, TEST_STREAM_FLAGS); |
| test_oarchive oa(os, TEST_ARCHIVE_FLAGS); |
| |
| polymorphic_derived1 *rd1 = new polymorphic_derived1; |
| |
| // registration is NOT necessary when serializing a polymorphic class |
| // through pointer to a derived class |
| bool except = false; |
| BOOST_TRY { |
| oa << BOOST_SERIALIZATION_NVP(rd1); |
| } |
| BOOST_CATCH(boost::archive::archive_exception aex){ |
| except = true; |
| } |
| BOOST_CATCH_END |
| BOOST_CHECK_MESSAGE(! except, "registration not detected !"); |
| |
| delete rd1; |
| } |
| |
| // note: the corresponding save function above will not result in |
| // valid archive - hence, the following code which attempts to load |
| // and archive will fail. Leave this as a reminder not to do this |
| // load unregistered polymorphic classes |
| void load_unregistered2(const char *testfile) |
| { |
| test_istream is(testfile, TEST_STREAM_FLAGS); |
| test_iarchive ia(is, TEST_ARCHIVE_FLAGS); |
| |
| polymorphic_derived1 *rd1 = NULL; |
| |
| // registration is NOT necessary when serializing a polymorphic class |
| // or through pointer to a derived class |
| bool except = false; |
| BOOST_TRY { |
| ia >> BOOST_SERIALIZATION_NVP(rd1); |
| } |
| BOOST_CATCH(boost::archive::archive_exception aex){ |
| except = true; |
| BOOST_CHECK_MESSAGE( |
| NULL == rd1, |
| "failed load resulted in a non-null pointer" |
| ); |
| } |
| BOOST_CATCH_END |
| BOOST_CHECK_MESSAGE(! except, "registration not detected !"); |
| |
| delete rd1; |
| } |
| |
| // save registered polymorphic class |
| void save_registered(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; |
| |
| // registration (forward declaration) will permit correct serialization |
| // through a pointer to a base class |
| oa.register_type(static_cast<polymorphic_derived1 *>(NULL)); |
| oa.register_type(static_cast<polymorphic_derived2 *>(NULL)); |
| oa << BOOST_SERIALIZATION_NVP(rb1); |
| oa << BOOST_SERIALIZATION_NVP(rb2); |
| |
| delete rb1; |
| delete rb2; |
| } |
| |
| // load registered polymorphic class |
| void load_registered(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; |
| |
| // registration (forward declaration) will permit correct serialization |
| // through a pointer to a base class |
| ia.register_type(static_cast<polymorphic_derived1 *>(NULL)); |
| ia.register_type(static_cast<polymorphic_derived2 *>(NULL)); |
| |
| ia >> BOOST_SERIALIZATION_NVP(rb1); |
| |
| BOOST_CHECK_MESSAGE(NULL != rb1, "Load resulted in NULL pointer"); |
| 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(NULL != rb2, "Load resulted in NULL pointer"); |
| 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_unregistered1(testfile); |
| // load_unregistered1(testfile); |
| save_unregistered2(testfile); |
| load_unregistered2(testfile); |
| save_registered(testfile); |
| load_registered(testfile); |
| std::remove(testfile); |
| return EXIT_SUCCESS; |
| } |
| |
| // EOF |