def test_push_and_pop(self):
crl_stack = X509.CRL_Stack()
crl_a = X509.CRL()
crl_b = X509.CRL()
self.assertNotEqual(crl_a, crl_b)
crl_stack.push(crl_a)
crl_stack.push(crl_b)
self.assertEquals(len(crl_stack), 2)
popped_b = crl_stack.pop()
self.assertEquals(crl_b, popped_b)
self.assertEquals(len(crl_stack), 1)
popped_a = crl_stack.pop()
self.assertEqual(crl_a, popped_a)
self.assertEqual(len(crl_stack), 0)
def test_new(self):
crl = X509.CRL()
self.assertEqual(crl.as_text()[:34],
'Certificate Revocation List (CRL):')