def test_resample_weekly_all_na(self):
        rng = date_range('1/1/2000', periods=10, freq='W-WED')
        ts = Series(np.random.randn(len(rng)), index=rng)

        result = ts.resample('W-THU')

        self.assertTrue(result.isnull().all())

        result = ts.resample('W-THU', fill_method='ffill')[:-1]
        expected = ts.asfreq('W-THU', method='ffill')
        assert_series_equal(result, expected)