@Test
public void snapshot_after_rollback() {
e = openEngine();
if (!e.canSnapshot() || !e.canRollback()) return;
long recid = e.put("a", Serializer.STRING);
Engine snapshot = e.snapshot();
e.update(recid, "b", Serializer.STRING);
assertEquals("a", snapshot.get(recid, Serializer.STRING));
e.rollback();
assertEquals("a", snapshot.get(recid, Serializer.STRING));
e.close();
}
@Test
public void rollback() {
e = openEngine();
long recid = e.put("aaa", Serializer.STRING_NOSIZE);
e.commit();
e.update(recid, "bbb", Serializer.STRING_NOSIZE);
if (!canRollback()) return;
e.rollback();
assertEquals("aaa", e.get(recid, Serializer.STRING_NOSIZE));
e.close();
}