text: try:
      from . import generic as g
  except BaseException:
      import generic as g
  
  
  class FillTest(g.unittest.TestCase):
  
      def test_fill(self):
  
          # a path closed with a bowtie, so the topology is wrong
          a = g.get_mesh('2D/broken_loop.dxf')
          assert len(a.paths) == 0
          # bowtie shouldn't require any connection distance
          a.fill_gaps(0.0)
          # topology should be good now
          assert len(a.paths) == 1
          # it is a rectangle
          assert g.np.isclose(a.area, g.np.product(a.extents))
  
          # a path with a bowtie and a .05 gap
          b = g.get_mesh('2D/broken_pair.dxf')
          assert len(b.paths) == 0
          # should be too small to fill gap
          b.fill_gaps(.01)
          assert len(b.paths) == 0
          # should be large enough to fill gap
          b.fill_gaps(.06)
          assert len(b.paths) == 1
          # it is a rectangle
          assert g.np.isclose(b.area, g.np.product(b.extents))
  
  
  if __name__ == '__main__':
      g.trimesh.util.attach_to_log()
      g.unittest.main()
  