def testpop_exception(self):
r=DLList([1,2,'boy','cat',9])
try:
a = r.pop(20)
self.assertTrue(False,'No Exception or/ right type of exception raised')
except IndexError:
pass
def testpop_mid(self):
r=DLList([1,2,'boy','cat',9])
a = r.pop(2)
self.assertEqual(a,'boy')
self.assertEqual(str(r),str([1,2,'cat',9]))
def testpop_start(self):
r=DLList([1,2,'boy','cat',9])
a = r.pop(0)
self.assertEqual(a,1)
self.assertEqual(str(r),str([2,'boy','cat',9]))
def testpop_end(self):
r=DLList([1,2,'boy','cat',9])
a = r.pop()
self.assertEqual(a,9)
self.assertEqual(str(r),str([1,2,'boy','cat']))