def test_clear(): calc = RpnCalculator() calc.push(1, 2) assert_that(calc.stack()).is_not_empty() calc.clear() assert_that(calc.stack()).is_empty()
def test_stack(i, j, expected): calc = RpnCalculator() calc.push(i, j) stack = calc.stack() assert_that(stack).is_equal_to(expected)