def test_lollipop(self):
        """Test function for lollipop()"""
        t = np.arange(1, 20)*1e-3
        f = 20.
        a = np.sin(2*np.pi*f*t)
        plt.figure()
        with catch_warnings(record=True) as w:
            lollipop(t, a, color=None, lw=1.5, ybot=0.1)
            self.assertTrue(len(w) > 0)
dataset/ETHPy150Open ggventurini/python-deltasigma/deltasigma/tests/test_lollipop.py/TestLollipop.test_lollipop/original