        let result = toyyyymm.eval(&columns, block.num_rows())?;
        assert_eq!(result.len(), 4);
        assert_eq!(result.data_type(), DataType::UInt32);

        let actual_ref = result
            .to_array()?
            .u32()?
            .inner()
            .values()
            .as_slice()
            .to_vec();
        assert_eq!(vec![197001u32, 197001u32, 197001u32, 197001u32], actual_ref);
    }
