test_generic.py 文件源码

def test_interp_limit_bad_direction(self):
        s = Series([1, 3, np.nan, np.nan, np.nan, 11])

        self.assertRaises(ValueError, s.interpolate, method='linear', limit=2,
                          limit_direction='abc')

        # raises an error even if no limit is specified.
        self.assertRaises(ValueError, s.interpolate, method='linear',
                          limit_direction='abc')