Function assert_group_ranges

datafusion/expr/src/window_state.rs:702–722

(
        window_frame: &Arc<WindowFrame>,
        expected_results: Vec<(Range<usize>, usize)>,
    )

    }

    fn assert_group_ranges(
        window_frame: &Arc<WindowFrame>,
        expected_results: Vec<(Range<usize>, usize)>,
    ) -> Result<()> {
        let mut window_frame_groups = WindowFrameStateGroups::default();
        let (range_columns, _) = get_test_data();
        let n_row = range_columns[0].len();
        for (idx, (expected_range, expected_group_idx)) in
            expected_results.into_iter().enumerate()
        {
            let range = window_frame_groups.calculate_range(
                window_frame,
                &range_columns,
                n_row,
                idx,
            )?;
            assert_eq!(range, expected_range);
            assert_eq!(window_frame_groups.current_group_idx, expected_group_idx);
        }
        Ok(())
    }

    fn assert_frame_ranges(
        window_frame: &Arc<WindowFrame>,