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LinkedListTests.py
84 lines (57 loc) · 1.93 KB
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LinkedListTests.py
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import unittest
from LinkedList import LinkedList
class LinkedListTests(unittest.TestCase):
def setUp(self):
self.__list = LinkedList()
def test_append(self):
self.__list.append(1)
self.assertEqual(1, len(self.__list))
def test_insert(self):
self.__list.insert(0, 1)
self.__list.insert(0, 1738)
self.assertEqual(1738, self.__list[0])
self.assertEqual(2, len(self.__list))
def test_remove(self):
self.__list.append(1)
self.assertEqual(1, self.__list[0])
self.__list.remove(1)
self.assertEqual(0, len(self.__list))
def test_pop(self):
self.__list.append(1)
self.__list.append(2)
self.__list.append(3)
self.__list.remove(2)
self.assertEqual(3, self.__list[1])
def test_negative_index(self):
self.__list.append(1)
self.__list.append(2)
self.__list.append(3)
self.assertEqual(3, self.__list[-1])
self.assertEqual(2, self.__list[-2])
self.assertEqual(1, self.__list[-3])
def test_set_item(self):
self.__list.append(1)
self.__list[0] = 2
self.assertEqual(2, self.__list[0])
def test_iteration(self):
for i in xrange(10):
self.__list.append(i)
for index, item in enumerate(self.__list):
self.assertEqual(item, self.__list[index])
def test_reverse(self):
self.__list.append(1)
self.__list.append(2)
self.__list.append(3)
self.assertEqual(1, self.__list[0])
self.__list.reverse()
self.assertEqual(3, self.__list[0])
def test_sort(self):
self.__list.append(3)
self.__list.append(1)
self.__list.append(2)
self.assertEqual(3, self.__list[0])
self.__list.sort()
for i in xrange(1, 4):
self.assertEqual(i, self.__list[i - 1])
if __name__ == "__main__":
unittest.main()