public void Divide_InputValues_ReturnDivision(int first, int second, int expected)
        {
            ArithmeticCalculations calculations = new ArithmeticCalculations();

            var results = calculations.Divide(first, second);

            Assert.That(results == expected);
        }
        public void Divide_SecondNumberIsZero_ThrowException()
        {
            ArithmeticCalculations calculations = new ArithmeticCalculations();

            Assert.That(() => calculations.Divide(12, 0), Throws.Exception.TypeOf <DivideByZeroException>());
        }
        public void Add_BothNumbersAreIntegers_ReturnSumOfNumbers()
        {
            var result = ArithmeticCalculations.Add(2, 3);

            Assert.That(result == 5);
        }