static void Main(string[] args)
{
double x = 6.4;
double y = 2.5;
Console.WriteLine("x value is " + x);
Console.WriteLine("y value is " + y);
Calcuator cal = new Calcuator();
Console.WriteLine("Addition of x and y is "+cal.Addition(x, y));
Console.WriteLine("Substraction of x and y is " + cal.Substraction(x, y));
Console.WriteLine("Multiplication of x and y is " + cal.Multiplication(x, y));
Console.WriteLine("Division of x and y is " + cal.Division(x, y));
Console.WriteLine("Modulos of x and y is " + cal.Modulos(x, y));
}
public void TestSubstraction()
{
Calcuator calc = new Calcuator();
// arrange
double x = 6.4;
double y = 4.2;
double expected = 2.2;
// act
double result = calc.Substraction(x, y);
// assert
Assert.AreEqual(expected,result);
}