std::random_device rd;

std::mt19937 gen(rd());

for (int ii = 0; ii < 100; ++ii) {

std::set<int> o_podset;

for (int j = 0; j < 100; ++j)

o_podset.insert(random_value<int>(gen));

std::set<StructInternalSerialize> o_iserset;

for (int j = 0; j < 100; ++j)

o_iserset.insert({random_value<int>(gen), random_value<int>(gen)});

std::set<StructInternalSplit> o_isplset;

for (int j = 0; j < 100; ++j)

o_isplset.insert({random_value<int>(gen), random_value<int>(gen)});

std::set<StructExternalSerialize> o_eserset;

for (int j = 0; j < 100; ++j)

o_eserset.insert({random_value<int>(gen), random_value<int>(gen)});

std::set<StructExternalSplit> o_esplset;

for (int j = 0; j < 100; ++j)

o_esplset.insert({random_value<int>(gen), random_value<int>(gen)});

std::ostringstream os; {

OArchive oar(os);

oar(o_podset);

oar(o_iserset);

oar(o_isplset);

oar(o_eserset);

oar(o_esplset);

}

std::set<int> i_podset;

std::set<StructInternalSerialize> i_iserset;

std::set<StructInternalSplit> i_isplset;

std::set<StructExternalSerialize> i_eserset;

std::set<StructExternalSplit> i_esplset;

std::istringstream is(os.str()); {

IArchive iar(is);

iar(i_podset);

iar(i_iserset);

iar(i_isplset);

iar(i_eserset);

iar(i_esplset);

}

check_collection(i_podset, o_podset);

check_collection(i_iserset, o_iserset);

check_collection(i_isplset, o_isplset);

check_collection(i_eserset, o_eserset);

check_collection(i_esplset, o_esplset);

}