private void AssertHasEntry(BlockBasedIndexPopulator <GenericKey, NativeIndexValue> populator, Value duplicate, int expectedId)
{
using (NativeIndexReader <GenericKey, NativeIndexValue> reader = populator.newReader())
{
PrimitiveLongResourceIterator query = reader.Query(IndexQuery.exact(_indexDescriptor.properties()[0], duplicate));
assertTrue(query.hasNext());
long id = query.next();
assertEquals(expectedId, id);
}
}