def test_insert_shift_list_length2():
source_list2 = [4,8,15,23,42]
new_input_element2 = 16
size = 5
expected = 6
actual = get_length(insert_shift_list(source_list2, new_input_element2, size))
assert expected == actual
def test_insert_shift_list_length1():
source_list1 = [2,4,6,8]
new_input_element1 = 16
size = 4
expected = 5
actual = get_length(insert_shift_list(source_list1, new_input_element1, size))
assert expected == actual
def test_get_length0():
source_list1 = []
expected = 0
actual = get_length(source_list1)
assert expected == actual
def test_get_length2():
source_list2 = [4,8,15,23,42]
expected = 5
actual = get_length(source_list2)
assert expected == actual
def test_get_length1():
source_list1 = [2,4,6,8]
expected = 4
actual = get_length(source_list1)
assert expected == actual