def test_cons_operation(self):
v = Vector()
self.assertEqual(0, len(v))
v1 = v.cons(10)
self.assertEqual(1, len(v1))
self.assertEqual(0, len(v)) # previous value didn't change
up = reduce(lambda acc, el: acc.cons(el), range(513), Vector())
self.assertEqual(513, len(up))
def test_cons_operation(self):
v = Vector()
self.assertEqual(0, len(v))
v1 = v.cons(10)
self.assertEqual(1, len(v1))
self.assertEqual(0, len(v)) # previous value didn't change
up = reduce(lambda acc, el: acc.cons(el), range(513), Vector())
self.assertEqual(513, len(up))
def test_assoc_get_operations(self):
v = Vector()
v1 = v.assoc(0, 10)
v2 = v1.assoc(1, 20)
v3 = v2.assoc(2, 30)
self.assertEqual(10, v3.get(0))
self.assertEqual(20, v3.get(1))
self.assertEqual(30, v3.get(2))
# check persistence
v4 = v2.assoc(2, 50)
self.assertEqual(30, v3.get(2))
self.assertEqual(50, v4.get(2))
# long vector
up = reduce(lambda acc, el: acc.assoc(el, el*2), range(1500), Vector())
self.assertEqual(2800, up.get(1400))
self.assertEqual(2998, up.get(1499))
def test_assoc_get_operations(self):
v = Vector()
v1 = v.assoc(0, 10)
v2 = v1.assoc(1, 20)
v3 = v2.assoc(2, 30)
self.assertEqual(10, v3.get(0))
self.assertEqual(20, v3.get(1))
self.assertEqual(30, v3.get(2))
# check persistence
v4 = v2.assoc(2, 50)
self.assertEqual(30, v3.get(2))
self.assertEqual(50, v4.get(2))
# long vector
up = reduce(lambda acc, el: acc.assoc(el, el*2), range(1500), Vector())
self.assertEqual(2800, up.get(1400))
self.assertEqual(2998, up.get(1499))
def f():
v = Vector().cons(20)
v[0] = 10
def test_index_error(self):
v = reduce(lambda acc, el: acc.assoc(el, el + 2), range(50), Vector())
self.assertRaises(IndexError, v.get, -1)
self.assertRaises(IndexError, v.get, 50)
self.assertRaises(IndexError, v.get, 52)
def test_vector_iterator(self):
v = reduce(lambda acc, el: acc.assoc(el, el + 1), range(1500),
Vector())
self.assertEqual(list(range(1, 1501)), list(v))
self.assertEqual(1125750, sum(v))
def test_pop_operations(self):
v = reduce(lambda acc, el: acc.cons(el), range(2000), Vector())
self.assertEqual(1999, len(v.pop()))
self.assertEqual(list(range(1999)), list(v.pop()))
