code: def test_area_empty(self):
      area = Area([])
      plot = bokeh_renderer.get_plot(area)
      cds = plot.handles["cds"]
      self.assertEqual(cds.data["x"], [])
      self.assertEqual(cds.data["y"], [])
  
imports: import datetime
  import numpy
  import pandas
  from holoviews.element import Area, Overlay
  from ...utils import LoggingComparisonTestCase
  from .test_plot import TestBokehPlot, bokeh_renderer
label_desc: Use image node_id 2 for calling the TestAreaPlot obj's underlying member method code with example usage: obj.test_area_empty() without return types