@Override
    public int size() {
        if (records == null) {
            return 0;
        } else {
            return records.size();
        }
    }
@Test
    public void testAddResultSet_duplicate() {
        QueryableEntry entry = entry(data());
        addEntry(entry);
        addEntry(entry);

        assertThat(result.size()).isEqualTo(1);
    }