def test_extend_dynamic(self):
# extend_dynamic test
test_object = ArrayList()
for i in range(20):
test_object.append(i)
# Appending
test_object.append(20)
self.assertEqual(len(test_object), 21, "Extend_dynamic Append Error")
self.assertEqual(len(test_object.array), 40,
"Extend_dynamic Append Error")
for i in range(19):
test_object.append(i)
self.assertEqual(len(test_object), 40, "Extend_dynamic Append Error")
self.assertEqual(len(test_object.array), 40,
"Extend_dynamic Append Error")
# Inserting
test_object.reset(20)
for i in range(20):
test_object.append(i)
test_object.insert(0, 200)
self.assertEqual(len(test_object), 21, "Extend_dynamic Append Error")
self.assertEqual(len(test_object.array), 40,
"Extend_dynamic Append Error")
for i in range(19):
test_object.insert(20 + i, i)
self.assertEqual(len(test_object), 40, "Extend_dynamic Append Error")
self.assertEqual(len(test_object.array), 40,
"Extend_dynamic Append Error")
def test_insert(self):
# insert test
test_object = ArrayList()
for i in range(5):
test_object.append(i)
test_object.insert(0, 11)
self.assertEqual(str(test_object), "11\n0\n1\n2\n3\n4\n",
"Insert Error")
self.assertEqual(test_object[0], 11, "Insert Error")
self.assertEqual(test_object[1], 0, "Insert Error")
self.assertEqual(len(test_object), 6, "Insert Error")
test_object.insert(-1, 12)
self.assertEqual(str(test_object), "11\n0\n1\n2\n3\n12\n4\n",
"Insert Error")
self.assertEqual(test_object[-2], 12, "Insert Error")
self.assertEqual(test_object[6], 4, "Insert Error")
self.assertEqual(test_object[5], 12, "Insert Error")
self.assertEqual(len(test_object), 7, "Insert Error")