def test_extend(self):
lst = [1, 2, 3]
def do_checks(l):
self.assertEqual(len(l), len(lst))
# Do an element wise comparison
for x, y in zip(lst, l):
self.assertEqual(x, y)
l = base.List()
l.extend(lst)
do_checks(l)
# Further extend
l.extend(lst)
self.assertEqual(len(l), len(lst) * 2)
# Do an element wise comparison
for i in range(0, len(lst)):
self.assertEqual(lst[i], l[i])
self.assertEqual(lst[i], l[i % len(lst)])
# Now try after strogin
l = base.List()
l.extend(lst)
l.store()
do_checks(l)
def test_append(self):
def do_checks(l):
self.assertEqual(len(l), 1)
self.assertEqual(l[0], 4)
l = base.List()
l.append(4)
do_checks(l)
# Try the same after storing
l = base.List()
l.append(4)
l.store()
do_checks(l)
def test_mutability(self):
l = base.List()
l.append(5)
l.store()
# Test all mutable calls are now disallowed
with self.assertRaises(ModificationNotAllowed):
l.append(5)
with self.assertRaises(ModificationNotAllowed):
l.extend([5])
with self.assertRaises(ModificationNotAllowed):
l.insert(0, 2)
with self.assertRaises(ModificationNotAllowed):
l.remove(0)
with self.assertRaises(ModificationNotAllowed):
l.pop()
with self.assertRaises(ModificationNotAllowed):
l.sort()
with self.assertRaises(ModificationNotAllowed):
l.reverse()
def test_creation(self):
l = base.List()
self.assertEqual(len(l), 0)
with self.assertRaises(IndexError):
l[0]