public void CalculateTest(double firstArgument, double secondArgument, double expectedResult)
        {
            var calculator   = new DoubleExponentalReversiveCalculator();
            var actualResult = calculator.Calculate(firstArgument, secondArgument);

            Assert.AreEqual(actualResult, expectedResult);
        }
        public void ExceptionTest()
        {
            var calculator = new DoubleExponentalReversiveCalculator();

            Assert.Throws <DivideByZeroException>(() => calculator.Calculate(1, 0));
        }