code: def test_simple_fragment_count(self):
      projection = ccrs.PlateCarree()
  
      tests = [
          ([(150, 0), (-150, 0)], 2),
          ([(10, 0), (90, 0), (180, 0), (-90, 0), (-10, 0)], 2),
          ([(-10, 0), (10, 0)], 1),
          ([(-45, 0), (45, 30)], 1),
      ]
  
      for coords, pieces in tests:
          line_string = sgeom.LineString(coords)
          multi_line_string = projection.project_geometry(line_string)
          # from cartopy.tests.mpl import show
          # show(projection, multi_line_string)
          assert len(multi_line_string.geoms) == pieces
  
imports: import itertools
  import time
  import numpy
  import pytest
  import shapely.geometry
  import cartopy.crs
label_desc: Use image node_id 2 for calling the TestLineString obj's underlying member method code with example usage: obj.test_simple_fragment_count() without return types