def test_insert_head(): ll = DoublyLinkedList() for i in range(ITERS): ll.insert_head(i) assert (len(ll) == i + 1) assert (ll.peek_head() == i)
def test_ll_equality(): ll1, ll2 = DoublyLinkedList(), DoublyLinkedList() for i in range(ITERS): ll1.insert_head(i) ll2.insert_head(i) assert (ll1 == ll2)