Function test_view_buffer_append_view

parquet/src/arrow/buffer/view_buffer.rs:110–133

()

    #[test]
    fn test_view_buffer_append_view() {
        let mut buffer = ViewBuffer::with_capacity(0);
        let data = b"0123456789long string to test string view";
        let string_buffer = Buffer::from(data);
        let block_id = buffer.append_block(string_buffer);

        buffer.views.push(make_view(&data[0..1], block_id, 0));
        buffer.views.push(make_view(&data[1..10], block_id, 1));
        buffer.views.push(make_view(&data[10..41], block_id, 10));

        let array = buffer.into_array(None, &ArrowType::Utf8View);
        let string_array = array
            .as_any()
            .downcast_ref::<arrow::array::StringViewArray>()
            .unwrap();
        assert_eq!(
            string_array.iter().collect::<Vec<_>>(),
            vec![
                Some("0"),
                Some("123456789"),
                Some("long string to test string view"),
            ]
        );
    }

    #[test]
    fn test_view_buffer_pad_null() {