def test_updatePrice_5():
assert updatePrice(-100, [i1, i2, i3, i4]) == [Item('Eggs', 0.00, 2),
Item('Milk', 0.00, 0),
Item('Honey', 0.00, 3),
Item('Orange', 0.00, 0)]
def test_updatePrice_4():
assert updatePrice(-50, [i2, i4]) == [Item('Milk', 2.00, 0),
Item('Orange', 0.50, 0)]
def test_updatePrice_2():
assert updatePrice(50, [i3, i4]) == [Item('Honey', 4.50, 3),
Item('Orange', 1.50, 0)]
def test_updatePrice_3():
assert updatePrice(0, [i1, i3]) == [Item('Eggs', 2.00, 2),
Item('Honey', 3.00, 3)]
def test_updatePrice_1():
assert updatePrice(100, [i1, i2]) == [Item('Eggs', 4.00, 2),
Item('Milk', 8.00, 0)]