from src.codewars.kata_force_of_gravity import solution

def basic_test_cases():
    assert solution([1000, 1000, 100], ["g", "kg", "m"]) == 6.67e-12
    assert solution([1000, 1000, 100], ["kg", "kg", "m"]) == 6.667e-9
    assert solution([1000, 1000, 100], ["kg", "kg", "cm"]) == 0.0000667