public void Return_2_Given_Value_Of_1_And_1_And_2()
        {
            ICalculator calculator = new AwesomeCalculator();
            var         result     = calculator.Add(1, 1, 2);

            Assert.Equal(4, result);
        }
        public void Return_Total_Of_Input_Args(int nr1, int nr2, int nr3)
        {
            ICalculator calculator     = new AwesomeCalculator();
            var         actualResult   = calculator.Add(nr1, nr2, nr3);
            var         expectedResult = nr1 + nr2 + nr3;

            Assert.Equal(expectedResult, actualResult);
        }
        public void Should_Add_Two_Numbers(double operator1, double operator2, double expected)
        {
            // Act
            var result = systemUnderTest.Add(operator1, operator2);

            // Assert
            Assert.Equal(expected, result);
        }