def test_ellipord_4(self):
# Test case for bandstop filter
ORD = IIRDesign.ellipord(self.f4, self.f3, self.Rp, self.Rs)
ord = signal.ellipord(self.f4,
self.f3,
self.Rp,
self.Rs,
analog=False,
fs=2)
self.assertTrue((ORD[0] == ord[0]) and np.all(ORD[1] == ord[1]))
def test_ellipord_2(self):
# Test case for highpass filter
ORD = IIRDesign.ellipord(self.f2, self.f1, self.Rp, self.Rs)
ord = signal.ellipord(self.f2,
self.f1,
self.Rp,
self.Rs,
analog=False,
fs=2)
self.assertTrue((ORD[0] == ord[0]) and np.all(ORD[1] == ord[1]))
def test_ellipord_11(self):
# Test case for exception 6
with self.assertRaises(ValueError):
IIRDesign.ellipord([0.2, 0.5, 0.7], self.f4, self.Rp, self.Rs)
def test_ellipord_10(self):
# Test case for exception 5
with self.assertRaises(ValueError):
IIRDesign.ellipord(self.f1, self.f2, self.Rp, 'x')
def test_ellipord_8(self):
# test case for exception 3
with self.assertRaises(ValueError):
IIRDesign.ellipord([3, 4], self.f4, self.Rp, self.Rs)
def test_ellipord_7(self):
# Test case for exception 2
with self.assertRaises(ValueError):
IIRDesign.ellipord(self.f1, 3, self.Rp, self.Rs)
def test_ellipord_6(self):
# Test case for exception 1
with self.assertRaises(ValueError):
IIRDesign.ellipord(60, 75, self.Rp, self.Rs, zs='x')
def test_ellipord_5(self):
# Test case for analog filter
ORD = IIRDesign.ellipord(60, 75, self.Rp, self.Rs, zs='s')
ord = signal.ellipord(60, 75, self.Rp, self.Rs, analog=True, fs=None)
self.assertTrue((ORD[0] == ord[0]) and np.all(ORD[1] == ord[1]))
