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/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
// test_mult_archive_types.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)
#include <cstddef>
#include <fstream>
#include <boost/config.hpp>
#include <cstdio> // remove
#if defined(BOOST_NO_STDC_NAMESPACE)
namespace std{
using ::remove;
}
#endif
#include <boost/archive/text_oarchive.hpp>
#include <boost/archive/text_iarchive.hpp>
#include <boost/archive/xml_oarchive.hpp>
#include <boost/archive/xml_iarchive.hpp>
#include "test_tools.hpp"
#include <boost/serialization/export.hpp>
#include <boost/serialization/nvp.hpp>
// This is a simple class. It contains a counter of the number
// of objects of this class which have been instantiated.
class A
{
private:
friend class boost::serialization::access;
int x;
template<class Archive>
void serialize(Archive & ar, const unsigned int /* file_version */){
ar & BOOST_SERIALIZATION_NVP(x);
}
public:
static int count;
A(){++count;} // default constructor
virtual ~A(){--count;} // default destructor
};
BOOST_CLASS_EXPORT(A)
// B is a subclass of A
class B : public A
{
private:
friend class boost::serialization::access;
template<class Archive>
void serialize(Archive & ar, const unsigned int /* file_version */){
ar & BOOST_SERIALIZATION_BASE_OBJECT_NVP(A);
}
public:
static int count;
B() : A() {};
virtual ~B() {};
};
BOOST_CLASS_EXPORT(B)
int A::count = 0;
// Run tests by serializing two shared_ptrs into an archive of type
// OARCH, clearing them (deleting the objects) and then reloading the
// objects back from an archive of type OARCH.
template<class OA, class IA>
void test_save_and_load(A * first, A * second)
{
const char * testfile = boost::archive::tmpnam(NULL);
BOOST_REQUIRE(NULL != testfile);
// Save
{
std::ofstream os(testfile);
OA oa(os);
oa << BOOST_SERIALIZATION_NVP(first);
oa << BOOST_SERIALIZATION_NVP(second);
}
// Clear the pointers, thereby destroying the objects they contain
first = NULL;
second = NULL;
// Load
{
std::ifstream is(testfile);
IA ia(is);
ia >> BOOST_SERIALIZATION_NVP(first);
ia >> BOOST_SERIALIZATION_NVP(second);
}
BOOST_CHECK(first == second);
std::remove(testfile);
}
using namespace boost::archive;
// This does the tests
int test_main(int /* argc */, char * /* argv */[])
{
// Try to save and load pointers to As, to a text archive
A * a = new A;
A * a1 = a;
test_save_and_load<text_oarchive, text_iarchive>(a, a1);
// Try to save and load pointers to Bs, to a text archive
B * b = new B;
B * b1 = b;
test_save_and_load<text_oarchive, text_iarchive>(b, b1);
// Try to save and load pointers to As, to an xml archive
test_save_and_load<xml_oarchive, xml_iarchive>(a, a1);
// Try to save and load pointers to Bs, to an xml archive
test_save_and_load<xml_oarchive, xml_iarchive>(b, b1);
delete a;
delete b;
return EXIT_SUCCESS;
}
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