from sum_calculator import calculate_cumulative_sum

def test_sum_for_zero():
    """Randfall, dass die Obergrenze 0 ist"""
    limit = 0
    result = calculate_cumulative_sum(limit)

    assert result == 0

def test_sum_for_five():
    """Fall, dass Limit 5 ist"""

    limit = 5
    result = calculate_cumulative_sum(limit)

    assert result == 15