def test_iterate(self):
index = 0
s = Stream.iterate(index, lambda i: i + 1)
for elem in s:
self.assertEqual(elem, index)
index += 1
if index == 10:
break
def test_limit(self):
s = Stream.iterate(0, lambda i: i + 1).limit(5).toList()
self.assertEqual(s, [0, 1, 2, 3, 4])
