def test_ellip_16(self):
# test case for Exception 9
with self.assertRaises(ValueError):
IIRDesign.ellip(self.n, self.Rp, self.Rs, self.Wp1, ftype='bandpass')
def test_ellip_14(self):
# test case for Exception 7
with self.assertRaises(ValueError):
IIRDesign.ellip(self.n, self.Rp, self.Rs, self.Wp2, ftype='high')
def test_ellip_15(self):
# test case for Exception 8
with self.assertRaises(ValueError):
IIRDesign.ellip(self.n, self.Rp, self.Rs, self.Wp1, ftype='stop')
def test_ellip_11(self):
# test case for Exception 4
with self.assertRaises(ValueError):
IIRDesign.ellip(self.n, self.Rp, self.Rs, 1.4, zs='z')
def test_ellip_12(self):
# test case for Exception 5
with self.assertRaises(ValueError):
IIRDesign.ellip(self.n, self.Rp, self.Rs, [0.5, 1.5], zs='z')
def test_ellip_8(self):
# test case for Exception 1
with self.assertRaises(ValueError):
IIRDesign.ellip(self.n, self.Rp, self.Rs, self.Wps, zs='x')
def test_ellip_9(self):
# test case for Exception 2
with self.assertRaises(ValueError):
IIRDesign.ellip(2.5, self.Rp, self.Rs, self.Wp1)
def test_ellip_7(self):
# Test case for analog filter
IIR = IIRDesign.ellip(self.n, self.Rp, self.Rs, self.Wps, zs='s')
iir = signal.ellip(self.n, self.Rp, self.Rs, self.Wps, btype='lowpass', analog=True)
self.assertTrue((IIR[0] == iir[0]).all() and (IIR[1] == iir[1]).all())
def test_ellip_6(self):
# Test case for bandstop filter
IIR = IIRDesign.ellip(self.n, self.Rp, self.Rs, self.Wp2, ftype='stop')
iir = signal.ellip(self.n, self.Rp, self.Rs, self.Wp2, btype='bandstop', fs=2)
self.assertTrue((IIR[0] == iir[0]).all() and (IIR[1] == iir[1]).all())
def test_ellip_5(self):
# Test case for bandpass filter without default
IIR = IIRDesign.ellip(self.n, self.Rp, self.Rs, self.Wp2, ftype='bandpass')
iir = signal.ellip(self.n, self.Rp, self.Rs, self.Wp2, btype='bandpass', fs=2)
self.assertTrue((IIR[0] == iir[0]).all() and (IIR[1] == iir[1]).all())
def test_ellip_3(self):
# Test case for highpass filter
IIR = IIRDesign.ellip(self.n, self.Rp, self.Rs, self.Wp1, ftype='high')
iir = signal.ellip(self.n, self.Rp, self.Rs, self.Wp1, btype='highpass', fs=2)
self.assertTrue((IIR[0] == iir[0]).all() and (IIR[1] == iir[1]).all())
def test_ellip_1(self):
# Test case for lowpass filter with default
IIR = IIRDesign.ellip(self.n, self.Rp, self.Rs, self.Wp1)
iir = signal.ellip(self.n, self.Rp, self.Rs, self.Wp1, btype='lowpass', fs=2)
self.assertTrue((IIR[0] == iir[0]).all() and (IIR[1] == iir[1]).all())
