public void RecordCache_Test1()
{
RecordCache cache = new RecordCache(Connection);
MarcRecord record1 = cache.Get(1);
Debug.Assert(record1 == null);
record1 = cache.GetOrRequest(1);
Debug.Assert(record1 != null);
Debug.Assert(cache.RequestCount == 1);
MarcRecord record2 = cache.Get(1);
Debug.Assert(record2 != null);
Debug.Assert(cache.RequestCount == 1);
}