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- /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
- // test_diamond.cpp
- // (C) Copyright 2002-2009 Vladimir Prus, Robert Ramey and Takatoshi Kondo.
- // 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)
- // test of serialization library for diamond inheritence situations
- #include <cstddef> // NULL
- #include <fstream>
- #include <iostream>
- #include <boost/config.hpp>
- #include <cstdio> // remove
- #if defined(BOOST_NO_STDC_NAMESPACE)
- namespace std{
- using ::remove;
- }
- #endif
- #include "test_tools.hpp"
- #include <boost/serialization/map.hpp>
- #include <boost/serialization/utility.hpp>
- #include <boost/serialization/split_member.hpp>
- #include <boost/serialization/tracking.hpp>
- #include <boost/serialization/base_object.hpp>
- #include <boost/serialization/nvp.hpp>
- #include <boost/serialization/export.hpp>
- int save_count = 0; // used to detect when EXnLevel1 class is saved multiple times
- int load_count = 0; // used to detect when EXnLevel1 class is loaded multiple times
- // inheritance structure
- //
- // EX1Level1<-+-EX1Level2_A<-+-+-EX1Level3_A
- // | | |
- // +-EX1Level2_B<-+ +-EX1Level3_B<--EX1Level4
- //
- // EXPORT Sequence EX1Level3_A, EX1Level4
- //---------------------------------------------------------
- // EX2Level1<-+-EX2Level2_A<-+-+-EX2Level3_A
- // | | |
- // +-EX2Level2_B<-+ +-EX2Level3_B<--EX2Level4
- //
- // EXPORT Sequence EX2Level4, EX2Level3_A
- class EX1Level1 {
- public:
- EX1Level1() : i(0) {}
- EX1Level1(int i) : i(i)
- {
- m[i] = "text";
- }
- template<class Archive>
- void save(Archive &ar, const unsigned int /* file_version */) const
- {
- std::cout << "Saving EX1Level1\n";
- ar << BOOST_SERIALIZATION_NVP(i);
- ar << BOOST_SERIALIZATION_NVP(m);
- ++save_count;
- }
- template<class Archive>
- void load(Archive & ar, const unsigned int /* file_version */)
- {
- std::cout << "Restoring EX1Level1\n";
- ar >> BOOST_SERIALIZATION_NVP(i);
- ar >> BOOST_SERIALIZATION_NVP(m);
- ++load_count;
- }
- BOOST_SERIALIZATION_SPLIT_MEMBER()
- bool operator==(const EX1Level1& another) const
- {
- return i == another.i && m == another.m;
- }
- // make polymorphic by marking at least one function virtual
- virtual ~EX1Level1() {};
- private:
- int i;
- std::map<int, std::string> m;
- };
- // note: the default is for object tracking to be performed if and only
- // if and object of the corresponding class is anywhere serialized
- // through a pointer. In this example, that doesn't occur so
- // by default, the shared EX1Level1 object wouldn't normally be tracked.
- // This would leave to multiple save/load operation of the data in
- // this shared EX1Level1 class. This wouldn't cause an error, but it would
- // be a waste of time. So set the tracking behavior trait of the EX1Level1
- // class to always track serialized objects of that class. This permits
- // the system to detect and elminate redundent save/load operations.
- // (It is concievable that this might someday be detected automatically
- // but for now, this is not done so we have to rely on the programmer
- // to specify this trait)
- BOOST_CLASS_TRACKING(EX1Level1, track_always)
- class EX1Level2_A : virtual public EX1Level1 {
- public:
- template<class Archive>
- void save(Archive &ar, const unsigned int /* file_version */) const
- {
- std::cout << "Saving EX1Level2_A\n";
- ar << BOOST_SERIALIZATION_BASE_OBJECT_NVP(EX1Level1);
- }
- template<class Archive>
- void load(Archive & ar, const unsigned int /* file_version */)
- {
- std::cout << "Restoring EX1Level2_A\n";
- ar >> BOOST_SERIALIZATION_BASE_OBJECT_NVP(EX1Level1);
- }
- BOOST_SERIALIZATION_SPLIT_MEMBER()
- };
- class EX1Level2_B : virtual public EX1Level1 {
- public:
- template<class Archive>
- void save(Archive &ar, const unsigned int /* file_version */) const
- {
- std::cout << "Saving EX1Level2_B\n";
- ar << BOOST_SERIALIZATION_BASE_OBJECT_NVP(EX1Level1);
- }
- template<class Archive>
- void load(Archive & ar, const unsigned int /* file_version */)
- {
- std::cout << "Restoring EX1Level2_B\n";
- ar >> BOOST_SERIALIZATION_BASE_OBJECT_NVP(EX1Level1);
- }
- BOOST_SERIALIZATION_SPLIT_MEMBER()
- };
- class EX1Level3_A : public EX1Level2_A, public EX1Level2_B {
- public:
- EX1Level3_A() {}
- EX1Level3_A(int i) : EX1Level1(i) {}
- template<class Archive>
- void save(Archive &ar, const unsigned int /* file_version */) const
- {
- std::cout << "Saving EX1Level3_A\n";
- ar << BOOST_SERIALIZATION_BASE_OBJECT_NVP(EX1Level2_A);
- ar << BOOST_SERIALIZATION_BASE_OBJECT_NVP(EX1Level2_B);
- }
- template<class Archive>
- void load(Archive & ar, const unsigned int /* file_version */)
- {
- std::cout << "Restoring EX1Level3_A\n";
- ar >> BOOST_SERIALIZATION_BASE_OBJECT_NVP(EX1Level2_A);
- ar >> BOOST_SERIALIZATION_BASE_OBJECT_NVP(EX1Level2_B);
- }
- BOOST_SERIALIZATION_SPLIT_MEMBER()
- };
- class EX1Level3_B : public EX1Level2_A, public EX1Level2_B {
- public:
- EX1Level3_B() {}
- EX1Level3_B(int) {}
- template<class Archive>
- void save(Archive &ar, const unsigned int /* file_version */) const
- {
- std::cout << "Saving EX1Level3_B\n";
- ar << BOOST_SERIALIZATION_BASE_OBJECT_NVP(EX1Level2_A);
- ar << BOOST_SERIALIZATION_BASE_OBJECT_NVP(EX1Level2_B);
- }
- template<class Archive>
- void load(Archive & ar, const unsigned int /* file_version */)
- {
- std::cout << "Restoring EX1Level3_B\n";
- ar >> BOOST_SERIALIZATION_BASE_OBJECT_NVP(EX1Level2_A);
- ar >> BOOST_SERIALIZATION_BASE_OBJECT_NVP(EX1Level2_B);
- }
- BOOST_SERIALIZATION_SPLIT_MEMBER()
- };
- class EX1Level4 : public EX1Level3_B {
- public:
- EX1Level4() {}
- EX1Level4(int i) : EX1Level1(i) {}
- template<class Archive>
- void save(Archive &ar, const unsigned int /* file_version */) const
- {
- std::cout << "Saving EX1Level4\n";
- ar << BOOST_SERIALIZATION_BASE_OBJECT_NVP(EX1Level3_B);
- }
- template<class Archive>
- void load(Archive & ar, const unsigned int /* file_version */)
- {
- std::cout << "Restoring EX1Level4\n";
- ar >> BOOST_SERIALIZATION_BASE_OBJECT_NVP(EX1Level3_B);
- }
- BOOST_SERIALIZATION_SPLIT_MEMBER()
- };
- class EX2Level1 {
- public:
- EX2Level1() : i(0) {}
- EX2Level1(int i) : i(i)
- {
- m[i] = "text";
- }
- template<class Archive>
- void save(Archive &ar, const unsigned int /* file_version */) const
- {
- std::cout << "Saving EX2Level1\n";
- ar << BOOST_SERIALIZATION_NVP(i);
- ar << BOOST_SERIALIZATION_NVP(m);
- ++save_count;
- }
- template<class Archive>
- void load(Archive & ar, const unsigned int /* file_version */)
- {
- std::cout << "Restoring EX2Level1\n";
- ar >> BOOST_SERIALIZATION_NVP(i);
- ar >> BOOST_SERIALIZATION_NVP(m);
- ++load_count;
- }
- BOOST_SERIALIZATION_SPLIT_MEMBER()
- bool operator==(const EX2Level1& another) const
- {
- return i == another.i && m == another.m;
- }
- // make polymorphic by marking at least one function virtual
- virtual ~EX2Level1() {};
- private:
- int i;
- std::map<int, std::string> m;
- };
- // note: the default is for object tracking to be performed if and only
- // if and object of the corresponding class is anywhere serialized
- // through a pointer. In this example, that doesn't occur so
- // by default, the shared EX2Level1 object wouldn't normally be tracked.
- // This would leave to multiple save/load operation of the data in
- // this shared EX2Level1 class. This wouldn't cause an error, but it would
- // be a waste of time. So set the tracking behavior trait of the EX2Level1
- // class to always track serialized objects of that class. This permits
- // the system to detect and elminate redundent save/load operations.
- // (It is concievable that this might someday be detected automatically
- // but for now, this is not done so we have to rely on the programmer
- // to specify this trait)
- BOOST_CLASS_TRACKING(EX2Level1, track_always)
- class EX2Level2_A : virtual public EX2Level1 {
- public:
- template<class Archive>
- void save(Archive &ar, const unsigned int /* file_version */) const
- {
- std::cout << "Saving EX2Level2_A\n";
- ar << BOOST_SERIALIZATION_BASE_OBJECT_NVP(EX2Level1);
- }
- template<class Archive>
- void load(Archive & ar, const unsigned int /* file_version */)
- {
- std::cout << "Restoring EX2Level2_A\n";
- ar >> BOOST_SERIALIZATION_BASE_OBJECT_NVP(EX2Level1);
- }
- BOOST_SERIALIZATION_SPLIT_MEMBER()
- };
- class EX2Level2_B : virtual public EX2Level1 {
- public:
- template<class Archive>
- void save(Archive &ar, const unsigned int /* file_version */) const
- {
- std::cout << "Saving EX2Level2_B\n";
- ar << BOOST_SERIALIZATION_BASE_OBJECT_NVP(EX2Level1);
- }
- template<class Archive>
- void load(Archive & ar, const unsigned int /* file_version */)
- {
- std::cout << "Restoring EX2Level2_B\n";
- ar >> BOOST_SERIALIZATION_BASE_OBJECT_NVP(EX2Level1);
- }
- BOOST_SERIALIZATION_SPLIT_MEMBER()
- };
- class EX2Level3_A : public EX2Level2_A, public EX2Level2_B {
- public:
- EX2Level3_A() {}
- EX2Level3_A(int i) : EX2Level1(i) {}
- template<class Archive>
- void save(Archive &ar, const unsigned int /* file_version */) const
- {
- std::cout << "Saving EX2Level3_A\n";
- ar << BOOST_SERIALIZATION_BASE_OBJECT_NVP(EX2Level2_A);
- ar << BOOST_SERIALIZATION_BASE_OBJECT_NVP(EX2Level2_B);
- }
- template<class Archive>
- void load(Archive & ar, const unsigned int /* file_version */)
- {
- std::cout << "Restoring EX2Level3_A\n";
- ar >> BOOST_SERIALIZATION_BASE_OBJECT_NVP(EX2Level2_A);
- ar >> BOOST_SERIALIZATION_BASE_OBJECT_NVP(EX2Level2_B);
- }
- BOOST_SERIALIZATION_SPLIT_MEMBER()
- };
- class EX2Level3_B : public EX2Level2_A, public EX2Level2_B {
- public:
- EX2Level3_B() {}
- EX2Level3_B(int i) : EX2Level1(i) {}
- template<class Archive>
- void save(Archive &ar, const unsigned int /* file_version */) const
- {
- std::cout << "Saving EX2Level3_B\n";
- ar << BOOST_SERIALIZATION_BASE_OBJECT_NVP(EX2Level2_A);
- ar << BOOST_SERIALIZATION_BASE_OBJECT_NVP(EX2Level2_B);
- }
- template<class Archive>
- void load(Archive & ar, const unsigned int /* file_version */)
- {
- std::cout << "Restoring EX2Level3_B\n";
- ar >> BOOST_SERIALIZATION_BASE_OBJECT_NVP(EX2Level2_A);
- ar >> BOOST_SERIALIZATION_BASE_OBJECT_NVP(EX2Level2_B);
- }
- BOOST_SERIALIZATION_SPLIT_MEMBER()
- };
- class EX2Level4 : public EX2Level3_B {
- public:
- EX2Level4() {}
- EX2Level4(int i) : EX2Level1(i) {}
- template<class Archive>
- void save(Archive &ar, const unsigned int /* file_version */) const
- {
- std::cout << "Saving EX2Level4\n";
- ar << BOOST_SERIALIZATION_BASE_OBJECT_NVP(EX2Level3_B);
- }
- template<class Archive>
- void load(Archive & ar, const unsigned int /* file_version */)
- {
- std::cout << "Restoring EX2Level4\n";
- ar >> BOOST_SERIALIZATION_BASE_OBJECT_NVP(EX2Level3_B);
- }
- BOOST_SERIALIZATION_SPLIT_MEMBER()
- };
- BOOST_CLASS_EXPORT(EX1Level4)
- BOOST_CLASS_EXPORT(EX1Level3_A)
- BOOST_CLASS_EXPORT(EX2Level3_A)
- BOOST_CLASS_EXPORT(EX2Level4)
- int
- test_main( int /* argc */, char* /* argv */[] )
- {
- const char * testfile = boost::archive::tmpnam(NULL);
- BOOST_REQUIRE(NULL != testfile);
-
- {
- save_count = 0;
- load_count = 0;
- const EX1Level3_A ex1L3a_save(3);
- const EX1Level1 *ex1L1_save = &ex1L3a_save;
- {
- test_ostream ofs(testfile, TEST_STREAM_FLAGS);
- test_oarchive oa(ofs);
- oa << boost::serialization::make_nvp("ex1L1_save", ex1L1_save);
- }
- EX1Level1 *ex1L1_load;
- {
- test_istream ifs(testfile, TEST_STREAM_FLAGS);
- test_iarchive ia(ifs);
- ia >> boost::serialization::make_nvp("ex1L1_load", ex1L1_load);
- }
- BOOST_CHECK(1 == save_count);
- BOOST_CHECK(1 == load_count);
- BOOST_CHECK(*ex1L1_save == *ex1L1_load);
- std::remove(testfile);
- }
- {
- save_count = 0;
- load_count = 0;
- const EX1Level4 ex1L4_save(3);
- const EX1Level1 *ex1L1_save = &ex1L4_save;
- {
- test_ostream ofs(testfile, TEST_STREAM_FLAGS);
- test_oarchive oa(ofs);
- oa << boost::serialization::make_nvp("ex1L1_save", ex1L1_save);
- }
- EX1Level1 *ex1L1_load;
- {
- test_istream ifs(testfile, TEST_STREAM_FLAGS);
- test_iarchive ia(ifs);
- ia >> boost::serialization::make_nvp("ex1L1_load", ex1L1_load);
- }
- BOOST_CHECK(1 == save_count);
- BOOST_CHECK(1 == load_count);
- BOOST_CHECK(*ex1L1_save == *ex1L1_load);
- std::remove(testfile);
- }
- {
- save_count = 0;
- load_count = 0;
- const EX2Level3_A ex2L3a_save(3);
- const EX2Level1 *ex2L1_save = &ex2L3a_save;
- {
- test_ostream ofs(testfile, TEST_STREAM_FLAGS);
- test_oarchive oa(ofs);
- oa << boost::serialization::make_nvp("ex2L1_save", ex2L1_save);
- }
- EX2Level1 *ex2L1_load;
- {
- test_istream ifs(testfile, TEST_STREAM_FLAGS);
- test_iarchive ia(ifs);
- ia >> boost::serialization::make_nvp("ex2L1_load", ex2L1_load);
- }
- BOOST_CHECK(1 == save_count);
- BOOST_CHECK(1 == load_count);
- BOOST_CHECK(*ex2L1_save == *ex2L1_load);
- std::remove(testfile);
- }
- {
- save_count = 0;
- load_count = 0;
- const EX2Level4 ex2L4_save(3);
- const EX2Level1 *ex2L1_save = &ex2L4_save;
- {
- test_ostream ofs(testfile, TEST_STREAM_FLAGS);
- test_oarchive oa(ofs);
- oa << boost::serialization::make_nvp("ex2L1_save", ex2L1_save);
- }
- EX2Level1 *ex2L1_load;
- {
- test_istream ifs(testfile, TEST_STREAM_FLAGS);
- test_iarchive ia(ifs);
- ia >> boost::serialization::make_nvp("ex2L1_load", ex2L1_load);
- }
- BOOST_CHECK(1 == save_count);
- BOOST_CHECK(1 == load_count);
- BOOST_CHECK(*ex2L1_save == *ex2L1_load);
- std::remove(testfile);
- }
- return EXIT_SUCCESS;
- }
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