def test_getAndSetEnumValues():
calc = Calculator()
calc.add(9)
calc.pow(3)
CompositeOperation = composition.CompositeOperation
assert calc.string_style == CompositeOperation.CompositionStringStyle.NORMAL
calc.string_style = CompositeOperation.CompositionStringStyle.DECORATED
assert calc.string_style == CompositeOperation.CompositionStringStyle.DECORATED
assert calc.to_string() == "<<[[{{(((1 * (0 + 9)) * (0 + 9)) * (0 + 9))}}]]>>"
def test_callMethods():
calc = Calculator()
calc.add(10)
assert calc.value == 10
calc.mul(2)
assert calc.value == 20
calc.pow(5)
assert calc.value == 20 ** 5
calc.neg()
assert calc.value == -3_200_000