def test_rfactor_must_be_number(self):
pdb = Pdb()
with self.assertRaises(TypeError):
pdb.rfactor = "100"
pdb.rfactor = 3
def test_can_update_rfactor(self):
pdb = Pdb()
pdb._rfactor = 1.2
pdb.rfactor = 1.5
self.assertEqual(pdb._rfactor, 1.5)
