def test_multiply_different_numbers():
"""Ensure that multiplying the list of integers works correctly."""
values = [1, 2, 3, 4]
multiplication_result = factorial.multiply(values)
assert multiplication_result == 1 * 2 * 3 * 4
def test_multiply_same_numbers_identity():
"""Ensure that multiplying the list of integers works correctly for identity."""
values = [1, 1, 1, 1]
multiplication_result = factorial.multiply(values)
assert multiplication_result == 1
def test_multiply_same_numbers_contains_zero_reorder():
"""Ensure that multiplying the list of integers works correctly with zero and reordered."""
values = [3, 2, 1, 0]
multiplication_result = factorial.multiply(values)
assert multiplication_result == 0
def test_multiply_different_numbers_reorder():
"""Ensure that multiplying the list of integers works correctly when reordered."""
values = [4, 3, 2, 1]
multiplication_result = factorial.multiply(values)
assert multiplication_result == 1 * 2 * 3 * 4