id,summary,reporter,owner,description,type,status,milestone,component,version,severity,resolution,keywords,cc
12321,save for boost::optional doesn't call save_construct_data but load calls load_construct_data,Oleg Burchakov <burchakov.oleg@…>,Robert Ramey,"$ cat main.cpp

{{{
#include <stdexcept>
#include <iostream>
#include <sstream>

#include <boost/optional.hpp>
#include <boost/archive/text_oarchive.hpp>
#include <boost/archive/text_iarchive.hpp>
#include <boost/serialization/optional.hpp>

struct Foo
{
    Foo(int aBar) :
        mBar(aBar)
    {
        if (mBar > 10)
        {
            throw std::logic_error(""too big bar"");
        }
    }
    int bar() const
    {
        return mBar;
    }
private:
    int mBar;
};


namespace boost {
namespace serialization {

template<class Archive>
inline void serialize(Archive & ar, Foo& foo, const unsigned int /*version*/)
{
    std::cout << __FUNCTION__ << "" called"" << std::endl;
}

template<class Archive>
inline void save_construct_data(Archive & ar, const Foo* foo, const unsigned int /*version*/)
{
    std::cout << __FUNCTION__ << "" called"" << std::endl;
    ar << foo->bar();
}


template<class Archive>
inline void load_construct_data(Archive & ar, Foo* foo, const unsigned int /*version*/)
{
    std::cout << __FUNCTION__ << "" called"" << std::endl;
    int bar;
    ar >> bar;
    ::new(foo) Foo(bar);
}

} // serialization
} // boost


int main()
{
    boost::optional<Foo> oldFoo = Foo(10);
    std::ostringstream outStream;
    boost::archive::text_oarchive outArchive(outStream);
    outArchive & oldFoo;

    boost::optional<Foo> newFoo;
    std::istringstream inStream(outStream.str());
    boost::archive::text_iarchive inArchive(inStream);
    inArchive & newFoo;
}
}}}

$ clang++ -I include -L lib -l boost_serialization --std=c++11 main.cpp

$ LD_LIBRARY_PATH=lib ./a.out
serialize called
load_construct_data called
terminate called after throwing an instance of 'boost::archive::archive_exception'
  what():  input stream error
Aborted (core dumped)

",Bugs,closed,To Be Determined,serialization,Boost 1.61.0,Problem,fixed,,