def test_two_ll_with_one_value():
ll1 = create_list_append([1])
ll2 = create_list_append([2])
# h=zip(ll1,ll2)
# assert h.value is 1
# assert h.next.value is 2
assert str(zip(ll1, ll2)) == '{ 1 } -> { 2 } -> None'
def test_one_empty_ll1():
ll1 = LinkedList()
ll2 = create_list_append([5, 9, 4])
# h=zip(ll1,ll2)
# assert h.value is 5
# assert h.next.value is 9
assert str(zip(ll1, ll2)) == '{ 5 } -> { 9 } -> { 4 } -> None'
def test_one_empty_ll2():
ll1 = create_list_append([1, 3, 2])
ll2 = LinkedList()
# h=zip(ll1,ll2)
# assert h.value is 1
# assert h.next.value is 3
assert str(zip(ll1, ll2)) == '{ 1 } -> { 3 } -> { 2 } -> None'
def test_ll2_longer_than_ll1():
ll1 = create_list_append([1, 3])
ll2 = create_list_append([5, 9, 4])
# h=zip(ll1,ll2)
# assert h.value is 1
# assert h.next.value is 5
assert str(zip(ll1,
ll2)) == '{ 1 } -> { 5 } -> { 3 } -> { 9 } -> { 4 } -> None'
def test_two_equal_length_ll():
ll1 = create_list_append([1, 3, 2])
ll2 = create_list_append([5, 9, 4])
# h=zip(ll1,ll2)
# assert h.value is 1
# assert h.next.value is 5
assert str(zip(
ll1,
ll2)) == '{ 1 } -> { 5 } -> { 3 } -> { 9 } -> { 2 } -> { 4 } -> None'
def test_two_empty_ll():
ll1 = LinkedList()
ll2 = LinkedList()
h = zip(ll1, ll2)
assert h.head == None