def test_rolling1(self):
        # size 3 without unroll
        def test_impl(n):
            df = pd.DataFrame({'A': np.arange(n), 'B': np.random.ranf(n)})
            Ac = df.A.rolling(3).sum()
            return Ac.sum()

        hpat_func = self.jit(test_impl)
        n = 121
        self.assertEqual(hpat_func(n), test_impl(n))
        self.assertEqual(count_array_REPs(), 0)
        self.assertEqual(count_parfor_REPs(), 0)
        # size 7 with unroll

        def test_impl_2(n):
            df = pd.DataFrame({'A': np.arange(n) + 1.0, 'B': np.random.ranf(n)})
            Ac = df.A.rolling(7).sum()
            return Ac.sum()

        hpat_func = self.jit(test_impl)
        n = 121
        self.assertEqual(hpat_func(n), test_impl(n))
        self.assertEqual(count_array_REPs(), 0)
        self.assertEqual(count_parfor_REPs(), 0)