Method test_one_insert

Lib/test/test_difflib.py:306–308

(self)

                            '+ puppy\n'])

    def test_one_insert(self):
        m = difflib.Differ().compare('b' * 2, 'a' + 'b' * 2)
        self.assertEqual(list(m), ['+ a', '  b', '  b'])

    def test_one_delete(self):
        m = difflib.Differ().compare('a' + 'b' * 2, 'b' * 2)