public void TestArithmetic_negative_A_YES()
 {
     Arithmetic arith = new Arithmetic();
     int a = -5;
     int b = 6;
     int c = -30;
     string result = arith.arithmetic(a, b, c);
     string expected = "YES";
     Assert.AreEqual(expected, result);
 }
 public void TestArithmetic_negative_B_NO()
 {
     Arithmetic arith = new Arithmetic();
     int a = 5;
     int b = -6;
     int c = 30;
     string result = arith.arithmetic(a, b, c);
     string expected = "NO";
     Assert.AreEqual(expected, result);
 }
        static void Main(string[] args)
        {
            int a = 5;
            int b = 6;
            int c = 30;
            System.Console.WriteLine("a = {0}", a);
            System.Console.WriteLine("a = {0}", b);
            System.Console.WriteLine("a = {0}", c);

            Arithmetic arith = new Arithmetic();
            System.Console.WriteLine("result = {0}", arith.arithmetic(a, b, c));

            System.Console.WriteLine();
            a = 5;
            b = 6;
            c = 10;
            System.Console.WriteLine("a = {0}", a);
            System.Console.WriteLine("a = {0}", b);
            System.Console.WriteLine("a = {0}", c);

            System.Console.WriteLine("result = {0}", arith.arithmetic(a, b, c));
        }
 public void TestArithmetic_zerro_ALL_YES()
 {
     Arithmetic arith = new Arithmetic();
     int a = 0;
     int b = 0;
     int c = 0;
     string result = arith.arithmetic(a, b, c);
     string expected = "YES";
     Assert.AreEqual(expected, result);
 }