Function test_pad_nulls_empty

parquet/src/arrow/buffer/offset_buffer.rs:334–344

()

    #[test]
    fn test_pad_nulls_empty() {
        let mut buffer = OffsetBuffer::<i32>::with_capacity(0);
        let valid_mask = Buffer::from_iter(std::iter::repeat_n(false, 9));
        buffer.pad_nulls(0, 0, 9, valid_mask.as_slice());

        let array = buffer.into_array(Some(valid_mask), ArrowType::Utf8);
        let strings = array.as_any().downcast_ref::<StringArray>().unwrap();

        assert_eq!(strings.len(), 9);
        assert!(strings.iter().all(|x| x.is_none()))
    }
}