new_contents: """
  Tests for geojson/base.py
  """
  
  import unittest
  
  import geojson
  
  
  class OperatorOverloadingTestCase(unittest.TestCase):
      """
      Tests for operator overloading
      """
  
      def setUp(self):
          self.coords = (12, -5)
          self.point = geojson.Point(self.coords)
  
      def test_setattr(self):
          new_coords = (27, 42)
          self.point.coordinates = new_coords
          self.assertEqual(self.point['coordinates'], new_coords)
  
      def test_getattr(self):
          self.assertEqual(self.point['coordinates'], self.point.coordinates)
  
      def test_delattr(self):
          del self.point.coordinates
          self.assertFalse(hasattr(self.point, 'coordinates'))
  
subject: Add tests for base.py