code: def test_empty_input():
      points = cuspatial.GeoSeries([])
      linestrings = cuspatial.GeoSeries([])
  
      result = cuspatial.pairwise_point_linestring_nearest_points(
          points, linestrings
      )
      expected = gpd.GeoDataFrame(
          {
              "point_geometry_id": [],
              "linestring_geometry_id": [],
              "segment_id": [],
              "geometry": gpd.GeoSeries(),
          }
      )
      assert_geodataframe_equal(
          result.to_pandas(), expected, check_index_type=False
      )
  
file_path: cuspatial/python/cuspatial/cuspatial/tests/spatial/nearest_points/test_nearest_points.py
imports: import geopandas
  import pytest
  import shapely
  from geopandas.testing import assert_geodataframe_equal
  from shapely.geometry import LineString, MultiLineString, MultiPoint, Point
  import cuspatial
label_desc: Use image node_id 2 for calling a global function with example usage: test_empty_input() without return types