| /////////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; |
| } |