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_eq(self):
# __eq__ test
test_object = ArrayList()
# test case 1
for i in range(5):
test_object.append(i)
self.assertNotEqual(test_object, [0, 1, 2, 3, 4, 5], "__eq__ Error")
self.assertEqual(test_object, [0, 1, 2, 3, 4], "__eq__ Error")
self.assertNotEqual(test_object, [0, 1, 2, 3, 5], "__eq__ Error")
# test case 2
test_object = test_object.reset(27)
other = []
for i in range(27):
test_object.append(i)
other.append(i)
self.assertEqual(test_object, other, "__eq__ Error")
def test_shrink_dynamic(self):
# shrink_dynamic test
test_object = ArrayList()
for i in range(40):
test_object.append(i)
# delete test case 1
for i in range(35):
test_object.delete(0)
self.assertEqual(len(test_object), 5, "Shrink_dynamic Delete Error")
self.assertEqual(len(test_object.array), 40,
"Shrink_dynamic Delete Error")
test_object.delete(0)
self.assertEqual(len(test_object), 4, "Shrink_dynamic Delete Error")
self.assertEqual(len(test_object.array), 20,
"Shrink_dynamic Delete Error")
# delete test case 2
test_object.reset(160)
for i in range(160):
test_object.append(i)
for i in range(140):
test_object.delete(0)
self.assertEqual(len(test_object), 20, "Shrink_dynamic Delete Error")
self.assertEqual(len(test_object.array), 160,
"Shrink_dynamic Delete Error")
test_object.delete(0)
self.assertEqual(len(test_object), 19, "Shrink_dynamic Delete Error")
self.assertEqual(len(test_object.array), 80,
"Shrink_dynamic Delete Error")
# remove test case 1
test_object.reset(40)
for i in range(40):
test_object.append(i)
for i in range(35):
test_object.remove(i)
self.assertEqual(len(test_object), 5, "Shrink_dynamic Delete Error")
self.assertEqual(len(test_object.array), 40,
"Shrink_dynamic Delete Error")
test_object.remove(35)
self.assertEqual(len(test_object), 4, "Shrink_dynamic Delete Error")
self.assertEqual(len(test_object.array), 20,
"Shrink_dynamic Delete Error")
# remove test case 2
test_object.reset(160)
for i in range(160):
test_object.append(i)
for i in range(140):
test_object.remove(i)
self.assertEqual(len(test_object), 20, "Shrink_dynamic Delete Error")
self.assertEqual(len(test_object.array), 160,
"Shrink_dynamic Delete Error")
test_object.remove(140)
self.assertEqual(len(test_object), 19, "Shrink_dynamic Delete Error")
self.assertEqual(len(test_object.array), 80,
"Shrink_dynamic Delete Error")
def test_reset(self):
# reset test
a_object = ArrayList()
a_object.reset(40)
# test case 1: 40
self.assertEqual(len(a_object.array), 40, "Reset Array Error")
self.assertEqual(a_object.count, 0, "Reset Array Error")
# test case 2: 60
a_object.reset(60)
self.assertEqual(len(a_object.array), 60, "Reset Array Error")
self.assertEqual(a_object.count, 0, "Reset Array Error")
# test case 3: 20
a_object.reset(20)
self.assertEqual(len(a_object.array), 20, "Reset Array Error")
self.assertEqual(a_object.count, 0, "Reset Array Error")