def setUp(self):
self.l = LinkList()
class TestLkList(unittest.TestCase):
def setUp(self):
self.l = LinkList()
def tearDown(self):
print 'test is done'
def test_create(self):
self.assertTrue(self.l.is_empty())
self.l.create(111)
self.assertEquals(111, self.l.L.next.data)
self.assertEquals(1, self.l.get_length())
self.l.create(222)
self.assertEquals(222, self.l.L.next.next.data)
self.assertEquals(2, self.l.get_length())
def test_get_elem(self):
self.assertRaises(IndexError, self.l.get_elem, 1)
self.l.create(111)
self.assertRaises(IndexError, self.l.get_elem, 0)
def test_insert(self):
self.assertRaises(IndexError, self.l.insert, 0, 11)
self.l.insert(1, 111)
self.assertEquals(111, self.l.L.next.data)
self.assertEquals(111, self.l.get_elem(1))
self.assertEquals(1, self.l.get_length())
self.assertRaises(IndexError, self.l.insert, 2, 222)
self.l.insert(1, 222)
self.assertEquals(2, self.l.get_length())
self.assertEquals(222, self.l.get_elem(1))
self.assertEquals(111, self.l.get_elem(2))
self.l.insert(2, 2222)
self.assertEquals(222, self.l.get_elem(1))
self.assertEquals(2222, self.l.get_elem(2))
self.assertEquals(111, self.l.get_elem(3))
def test_delete(self):
self.assertRaises(IndexError, self.l.delete, 1)
self.l.create(111)
self.assertEquals(111, self.l.delete(1))
self.assertEquals(0, self.l.get_length())
self.l.insert(1,333)
self.l.insert(1,222)
self.l.insert(1,111)
self.assertEquals(111, self.l.get_elem(1))
self.assertEquals(222, self.l.get_elem(2))
self.assertEquals(333, self.l.get_elem(3))
self.assertRaises(IndexError, self.l.delete, 4)
self.assertEquals(111, self.l.delete(1))
self.assertEquals(2, self.l.get_length())
