void validate(CollectionChangeSet const& info)
{
info.insertions.verify();
info.deletions.verify();
info.modifications.verify();
std::vector<size_t> move_sources;
for (auto const& move : info.moves)
move_sources.push_back(m_initial[move.from]);
// Apply the changes from the transaction log to our copy of the
// initial, using UITableView's batching rules (i.e. delete, then
// insert, then update)
auto it = util::make_reverse_iterator(info.deletions.end());
auto end = util::make_reverse_iterator(info.deletions.begin());
for (; it != end; ++it) {
m_initial.erase(m_initial.begin() + it->first, m_initial.begin() + it->second);
}
for (auto const& range : info.insertions) {
for (auto i = range.first; i < range.second; ++i)
m_initial.insert(m_initial.begin() + i, m_linkview->get(i).get_int(0));
}
for (auto const& range : info.modifications) {
for (auto i = range.first; i < range.second; ++i)
m_initial[i] = m_linkview->get(i).get_int(0);
}
REQUIRE(m_linkview->is_attached());
// and make sure we end up with the same end result
REQUIRE(m_initial.size() == m_linkview->size());
for (size_t i = 0; i < m_initial.size(); ++i)
CHECK(m_initial[i] == m_linkview->get(i).get_int(0));
// Verify that everything marked as a move actually is one
for (size_t i = 0; i < move_sources.size(); ++i) {
if (!info.modifications.contains(info.moves[i].to)) {
CHECK(m_linkview->get(info.moves[i].to).get_int(0) == move_sources[i]);
}
}
}
CaptureHelper(std::string const& path, SharedRealm const& r, LinkViewRef lv)
: m_history(make_client_history(path))
, m_sg(*m_history, SharedGroup::durability_MemOnly)
, m_realm(r)
, m_group(m_sg.begin_read())
, m_linkview(lv)
{
m_realm->begin_transaction();
m_initial.reserve(lv->size());
for (size_t i = 0; i < lv->size(); ++i)
m_initial.push_back(lv->get(i).get_int(0));
}
JNIEXPORT jlong JNICALL Java_io_realm_internal_LinkView_nativeGetTargetRowIndex
(JNIEnv* env, jobject, jlong nativeLinkViewPtr, jlong pos)
{
TR_ENTER_PTR(nativeLinkViewPtr)
LinkViewRef *lv = LV(nativeLinkViewPtr);
if (!ROW_INDEX_VALID(env, *lv, pos)) {
return -1;
}
try {
LinkViewRef lvr = *lv;
return lvr->get( S(pos) ).get_index();
} CATCH_STD()
return 0;
}
