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- /////////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 <cstring> // strcmp
- #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/core/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);
- }
- };
- struct type1 {
- template<typename Archive>
- void serialize(Archive&, unsigned int ver) {
- BOOST_CHECK(ver == 1);
- }
- };
- struct type2 {
- template<typename Archive>
- void serialize(Archive&, unsigned int ver) {
- BOOST_CHECK(ver == 2);
- }
- };
- BOOST_CLASS_VERSION(type1, 1);
- BOOST_CLASS_VERSION(type2, 2);
- // 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 const& 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 const& 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 const& 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 const& 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;
- }
- // store a pointer from slot0
- void save_unregistered_pointer(const char *testfile)
- {
- test_ostream os(testfile, TEST_STREAM_FLAGS);
- test_oarchive oa(os, TEST_ARCHIVE_FLAGS);
- oa.register_type(static_cast<type2 *>(NULL));
- type1 instance1;
- type2 *pointer2 = new type2;
- BOOST_TRY {
- oa & BOOST_SERIALIZATION_NVP(instance1) & BOOST_SERIALIZATION_NVP(pointer2);
- }
- BOOST_CATCH(...) {
- BOOST_CHECK_MESSAGE(false, "unexpected exception");
- }
- BOOST_CATCH_END
- delete pointer2;
- }
- // load a pointer from slot0 which has no pointer serializer
- void load_unregistered_pointer(const char *testfile)
- {
- test_istream is(testfile);
- test_iarchive ia(is);
- type1 instance1;
- type2 *pointer2(NULL);
- bool except = false;
- BOOST_TRY {
- ia & BOOST_SERIALIZATION_NVP(instance1) & BOOST_SERIALIZATION_NVP(pointer2);
- }
- BOOST_CATCH(boost::archive::archive_exception const& aex){
- except = true;
- BOOST_CHECK_MESSAGE(
- std::strcmp(aex.what(), "unregistered class") == 0,
- "incorrect exception"
- );
- }
- BOOST_CATCH_END
- BOOST_CHECK_MESSAGE(except, "lack of registration not detected !");
- BOOST_CHECK_MESSAGE(NULL == pointer2, "expected failed load");
- delete pointer2;
- }
- 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);
- save_unregistered_pointer(testfile);
- load_unregistered_pointer(testfile);
- std::remove(testfile);
- return EXIT_SUCCESS;
- }
- // EOF
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