481 lines
14 KiB
C++
481 lines
14 KiB
C++
/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
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// test_diamond.cpp
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// (C) Copyright 2002-2009 Vladimir Prus, Robert Ramey and Takatoshi Kondo.
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// Use, modification and distribution is subject to the Boost Software
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// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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// test of serialization library for diamond inheritence situations
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#include <cstddef> // NULL
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#include <fstream>
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#include <iostream>
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#include <boost/config.hpp>
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#include <cstdio> // remove
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#if defined(BOOST_NO_STDC_NAMESPACE)
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namespace std{
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using ::remove;
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}
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#endif
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#include "test_tools.hpp"
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#include <boost/serialization/map.hpp>
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#include <boost/serialization/utility.hpp>
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#include <boost/serialization/split_member.hpp>
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#include <boost/serialization/tracking.hpp>
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#include <boost/serialization/base_object.hpp>
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#include <boost/serialization/nvp.hpp>
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#include <boost/serialization/export.hpp>
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int save_count = 0; // used to detect when EXnLevel1 class is saved multiple times
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int load_count = 0; // used to detect when EXnLevel1 class is loaded multiple times
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// inheritance structure
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//
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// EX1Level1<-+-EX1Level2_A<-+-+-EX1Level3_A
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// | | |
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// +-EX1Level2_B<-+ +-EX1Level3_B<--EX1Level4
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//
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// EXPORT Sequence EX1Level3_A, EX1Level4
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//---------------------------------------------------------
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// EX2Level1<-+-EX2Level2_A<-+-+-EX2Level3_A
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// | | |
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// +-EX2Level2_B<-+ +-EX2Level3_B<--EX2Level4
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//
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// EXPORT Sequence EX2Level4, EX2Level3_A
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class EX1Level1 {
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public:
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EX1Level1() : i(0) {}
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EX1Level1(int i) : i(i)
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{
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m[i] = "text";
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}
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template<class Archive>
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void save(Archive &ar, const unsigned int /* file_version */) const
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{
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std::cout << "Saving EX1Level1\n";
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ar << BOOST_SERIALIZATION_NVP(i);
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ar << BOOST_SERIALIZATION_NVP(m);
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++save_count;
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}
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template<class Archive>
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void load(Archive & ar, const unsigned int /* file_version */)
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{
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std::cout << "Restoring EX1Level1\n";
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ar >> BOOST_SERIALIZATION_NVP(i);
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ar >> BOOST_SERIALIZATION_NVP(m);
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++load_count;
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}
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BOOST_SERIALIZATION_SPLIT_MEMBER()
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bool operator==(const EX1Level1& another) const
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{
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return i == another.i && m == another.m;
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}
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// make polymorphic by marking at least one function virtual
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virtual ~EX1Level1() {};
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private:
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int i;
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std::map<int, std::string> m;
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};
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// note: the default is for object tracking to be performed if and only
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// if and object of the corresponding class is anywhere serialized
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// through a pointer. In this example, that doesn't occur so
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// by default, the shared EX1Level1 object wouldn't normally be tracked.
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// This would leave to multiple save/load operation of the data in
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// this shared EX1Level1 class. This wouldn't cause an error, but it would
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// be a waste of time. So set the tracking behavior trait of the EX1Level1
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// class to always track serialized objects of that class. This permits
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// the system to detect and elminate redundent save/load operations.
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// (It is concievable that this might someday be detected automatically
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// but for now, this is not done so we have to rely on the programmer
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// to specify this trait)
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BOOST_CLASS_TRACKING(EX1Level1, track_always)
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class EX1Level2_A : virtual public EX1Level1 {
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public:
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template<class Archive>
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void save(Archive &ar, const unsigned int /* file_version */) const
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{
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std::cout << "Saving EX1Level2_A\n";
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ar << BOOST_SERIALIZATION_BASE_OBJECT_NVP(EX1Level1);
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}
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template<class Archive>
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void load(Archive & ar, const unsigned int /* file_version */)
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{
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std::cout << "Restoring EX1Level2_A\n";
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ar >> BOOST_SERIALIZATION_BASE_OBJECT_NVP(EX1Level1);
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}
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BOOST_SERIALIZATION_SPLIT_MEMBER()
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};
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class EX1Level2_B : virtual public EX1Level1 {
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public:
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template<class Archive>
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void save(Archive &ar, const unsigned int /* file_version */) const
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{
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std::cout << "Saving EX1Level2_B\n";
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ar << BOOST_SERIALIZATION_BASE_OBJECT_NVP(EX1Level1);
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}
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template<class Archive>
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void load(Archive & ar, const unsigned int /* file_version */)
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{
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std::cout << "Restoring EX1Level2_B\n";
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ar >> BOOST_SERIALIZATION_BASE_OBJECT_NVP(EX1Level1);
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}
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BOOST_SERIALIZATION_SPLIT_MEMBER()
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};
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class EX1Level3_A : public EX1Level2_A, public EX1Level2_B {
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public:
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EX1Level3_A() {}
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EX1Level3_A(int i) : EX1Level1(i) {}
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template<class Archive>
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void save(Archive &ar, const unsigned int /* file_version */) const
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{
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std::cout << "Saving EX1Level3_A\n";
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ar << BOOST_SERIALIZATION_BASE_OBJECT_NVP(EX1Level2_A);
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ar << BOOST_SERIALIZATION_BASE_OBJECT_NVP(EX1Level2_B);
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}
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template<class Archive>
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void load(Archive & ar, const unsigned int /* file_version */)
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{
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std::cout << "Restoring EX1Level3_A\n";
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ar >> BOOST_SERIALIZATION_BASE_OBJECT_NVP(EX1Level2_A);
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ar >> BOOST_SERIALIZATION_BASE_OBJECT_NVP(EX1Level2_B);
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}
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BOOST_SERIALIZATION_SPLIT_MEMBER()
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};
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class EX1Level3_B : public EX1Level2_A, public EX1Level2_B {
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public:
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EX1Level3_B() {}
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EX1Level3_B(int) {}
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template<class Archive>
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void save(Archive &ar, const unsigned int /* file_version */) const
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{
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std::cout << "Saving EX1Level3_B\n";
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ar << BOOST_SERIALIZATION_BASE_OBJECT_NVP(EX1Level2_A);
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ar << BOOST_SERIALIZATION_BASE_OBJECT_NVP(EX1Level2_B);
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}
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template<class Archive>
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void load(Archive & ar, const unsigned int /* file_version */)
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{
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std::cout << "Restoring EX1Level3_B\n";
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ar >> BOOST_SERIALIZATION_BASE_OBJECT_NVP(EX1Level2_A);
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ar >> BOOST_SERIALIZATION_BASE_OBJECT_NVP(EX1Level2_B);
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}
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BOOST_SERIALIZATION_SPLIT_MEMBER()
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};
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class EX1Level4 : public EX1Level3_B {
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public:
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EX1Level4() {}
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EX1Level4(int i) : EX1Level1(i) {}
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template<class Archive>
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void save(Archive &ar, const unsigned int /* file_version */) const
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{
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std::cout << "Saving EX1Level4\n";
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ar << BOOST_SERIALIZATION_BASE_OBJECT_NVP(EX1Level3_B);
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}
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template<class Archive>
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void load(Archive & ar, const unsigned int /* file_version */)
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{
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std::cout << "Restoring EX1Level4\n";
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ar >> BOOST_SERIALIZATION_BASE_OBJECT_NVP(EX1Level3_B);
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}
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BOOST_SERIALIZATION_SPLIT_MEMBER()
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};
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class EX2Level1 {
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public:
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EX2Level1() : i(0) {}
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EX2Level1(int i) : i(i)
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{
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m[i] = "text";
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}
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template<class Archive>
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void save(Archive &ar, const unsigned int /* file_version */) const
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{
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std::cout << "Saving EX2Level1\n";
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ar << BOOST_SERIALIZATION_NVP(i);
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ar << BOOST_SERIALIZATION_NVP(m);
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++save_count;
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}
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template<class Archive>
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void load(Archive & ar, const unsigned int /* file_version */)
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{
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std::cout << "Restoring EX2Level1\n";
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ar >> BOOST_SERIALIZATION_NVP(i);
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ar >> BOOST_SERIALIZATION_NVP(m);
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++load_count;
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}
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BOOST_SERIALIZATION_SPLIT_MEMBER()
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bool operator==(const EX2Level1& another) const
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{
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return i == another.i && m == another.m;
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}
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// make polymorphic by marking at least one function virtual
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virtual ~EX2Level1() {};
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private:
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int i;
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std::map<int, std::string> m;
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};
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// note: the default is for object tracking to be performed if and only
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// if and object of the corresponding class is anywhere serialized
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// through a pointer. In this example, that doesn't occur so
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// by default, the shared EX2Level1 object wouldn't normally be tracked.
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// This would leave to multiple save/load operation of the data in
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// this shared EX2Level1 class. This wouldn't cause an error, but it would
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// be a waste of time. So set the tracking behavior trait of the EX2Level1
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// class to always track serialized objects of that class. This permits
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// the system to detect and elminate redundent save/load operations.
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// (It is concievable that this might someday be detected automatically
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// but for now, this is not done so we have to rely on the programmer
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// to specify this trait)
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BOOST_CLASS_TRACKING(EX2Level1, track_always)
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class EX2Level2_A : virtual public EX2Level1 {
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public:
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template<class Archive>
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void save(Archive &ar, const unsigned int /* file_version */) const
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{
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std::cout << "Saving EX2Level2_A\n";
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ar << BOOST_SERIALIZATION_BASE_OBJECT_NVP(EX2Level1);
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}
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template<class Archive>
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void load(Archive & ar, const unsigned int /* file_version */)
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{
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std::cout << "Restoring EX2Level2_A\n";
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ar >> BOOST_SERIALIZATION_BASE_OBJECT_NVP(EX2Level1);
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}
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BOOST_SERIALIZATION_SPLIT_MEMBER()
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};
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class EX2Level2_B : virtual public EX2Level1 {
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public:
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template<class Archive>
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void save(Archive &ar, const unsigned int /* file_version */) const
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{
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std::cout << "Saving EX2Level2_B\n";
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ar << BOOST_SERIALIZATION_BASE_OBJECT_NVP(EX2Level1);
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}
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template<class Archive>
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void load(Archive & ar, const unsigned int /* file_version */)
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{
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std::cout << "Restoring EX2Level2_B\n";
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ar >> BOOST_SERIALIZATION_BASE_OBJECT_NVP(EX2Level1);
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}
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BOOST_SERIALIZATION_SPLIT_MEMBER()
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};
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class EX2Level3_A : public EX2Level2_A, public EX2Level2_B {
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public:
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EX2Level3_A() {}
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EX2Level3_A(int i) : EX2Level1(i) {}
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template<class Archive>
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void save(Archive &ar, const unsigned int /* file_version */) const
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{
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std::cout << "Saving EX2Level3_A\n";
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ar << BOOST_SERIALIZATION_BASE_OBJECT_NVP(EX2Level2_A);
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ar << BOOST_SERIALIZATION_BASE_OBJECT_NVP(EX2Level2_B);
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}
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template<class Archive>
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void load(Archive & ar, const unsigned int /* file_version */)
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{
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std::cout << "Restoring EX2Level3_A\n";
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ar >> BOOST_SERIALIZATION_BASE_OBJECT_NVP(EX2Level2_A);
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ar >> BOOST_SERIALIZATION_BASE_OBJECT_NVP(EX2Level2_B);
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}
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BOOST_SERIALIZATION_SPLIT_MEMBER()
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};
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class EX2Level3_B : public EX2Level2_A, public EX2Level2_B {
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public:
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EX2Level3_B() {}
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EX2Level3_B(int i) : EX2Level1(i) {}
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template<class Archive>
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void save(Archive &ar, const unsigned int /* file_version */) const
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{
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std::cout << "Saving EX2Level3_B\n";
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ar << BOOST_SERIALIZATION_BASE_OBJECT_NVP(EX2Level2_A);
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ar << BOOST_SERIALIZATION_BASE_OBJECT_NVP(EX2Level2_B);
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}
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template<class Archive>
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void load(Archive & ar, const unsigned int /* file_version */)
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{
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std::cout << "Restoring EX2Level3_B\n";
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ar >> BOOST_SERIALIZATION_BASE_OBJECT_NVP(EX2Level2_A);
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ar >> BOOST_SERIALIZATION_BASE_OBJECT_NVP(EX2Level2_B);
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}
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BOOST_SERIALIZATION_SPLIT_MEMBER()
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};
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class EX2Level4 : public EX2Level3_B {
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public:
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EX2Level4() {}
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EX2Level4(int i) : EX2Level1(i) {}
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template<class Archive>
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void save(Archive &ar, const unsigned int /* file_version */) const
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{
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std::cout << "Saving EX2Level4\n";
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ar << BOOST_SERIALIZATION_BASE_OBJECT_NVP(EX2Level3_B);
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}
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template<class Archive>
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void load(Archive & ar, const unsigned int /* file_version */)
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{
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std::cout << "Restoring EX2Level4\n";
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ar >> BOOST_SERIALIZATION_BASE_OBJECT_NVP(EX2Level3_B);
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}
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BOOST_SERIALIZATION_SPLIT_MEMBER()
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};
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BOOST_CLASS_EXPORT(EX1Level4)
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BOOST_CLASS_EXPORT(EX1Level3_A)
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BOOST_CLASS_EXPORT(EX2Level3_A)
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BOOST_CLASS_EXPORT(EX2Level4)
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int
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test_main( int /* argc */, char* /* argv */[] )
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{
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const char * testfile = boost::archive::tmpnam(NULL);
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BOOST_REQUIRE(NULL != testfile);
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{
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save_count = 0;
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load_count = 0;
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const EX1Level3_A ex1L3a_save(3);
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const EX1Level1 *ex1L1_save = &ex1L3a_save;
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{
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test_ostream ofs(testfile, TEST_STREAM_FLAGS);
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test_oarchive oa(ofs);
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oa << boost::serialization::make_nvp("ex1L1_save", ex1L1_save);
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}
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EX1Level1 *ex1L1_load;
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{
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test_istream ifs(testfile, TEST_STREAM_FLAGS);
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test_iarchive ia(ifs);
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ia >> boost::serialization::make_nvp("ex1L1_load", ex1L1_load);
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}
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BOOST_CHECK(1 == save_count);
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BOOST_CHECK(1 == load_count);
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BOOST_CHECK(*ex1L1_save == *ex1L1_load);
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std::remove(testfile);
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}
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{
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save_count = 0;
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load_count = 0;
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const EX1Level4 ex1L4_save(3);
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const EX1Level1 *ex1L1_save = &ex1L4_save;
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{
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test_ostream ofs(testfile, TEST_STREAM_FLAGS);
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test_oarchive oa(ofs);
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oa << boost::serialization::make_nvp("ex1L1_save", ex1L1_save);
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}
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EX1Level1 *ex1L1_load;
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{
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test_istream ifs(testfile, TEST_STREAM_FLAGS);
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test_iarchive ia(ifs);
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ia >> boost::serialization::make_nvp("ex1L1_load", ex1L1_load);
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}
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BOOST_CHECK(1 == save_count);
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BOOST_CHECK(1 == load_count);
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BOOST_CHECK(*ex1L1_save == *ex1L1_load);
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std::remove(testfile);
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}
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{
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save_count = 0;
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load_count = 0;
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const EX2Level3_A ex2L3a_save(3);
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const EX2Level1 *ex2L1_save = &ex2L3a_save;
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{
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test_ostream ofs(testfile, TEST_STREAM_FLAGS);
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test_oarchive oa(ofs);
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oa << boost::serialization::make_nvp("ex2L1_save", ex2L1_save);
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}
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EX2Level1 *ex2L1_load;
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{
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test_istream ifs(testfile, TEST_STREAM_FLAGS);
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test_iarchive ia(ifs);
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ia >> boost::serialization::make_nvp("ex2L1_load", ex2L1_load);
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}
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BOOST_CHECK(1 == save_count);
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BOOST_CHECK(1 == load_count);
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BOOST_CHECK(*ex2L1_save == *ex2L1_load);
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std::remove(testfile);
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}
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{
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save_count = 0;
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load_count = 0;
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const EX2Level4 ex2L4_save(3);
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const EX2Level1 *ex2L1_save = &ex2L4_save;
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{
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test_ostream ofs(testfile, TEST_STREAM_FLAGS);
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test_oarchive oa(ofs);
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oa << boost::serialization::make_nvp("ex2L1_save", ex2L1_save);
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}
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EX2Level1 *ex2L1_load;
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{
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test_istream ifs(testfile, TEST_STREAM_FLAGS);
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test_iarchive ia(ifs);
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ia >> boost::serialization::make_nvp("ex2L1_load", ex2L1_load);
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}
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BOOST_CHECK(1 == save_count);
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BOOST_CHECK(1 == load_count);
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BOOST_CHECK(*ex2L1_save == *ex2L1_load);
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std::remove(testfile);
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}
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return EXIT_SUCCESS;
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}
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