static void Main(string[] args)
{
HelloWorldFactory factory = new HelloWorldFactory();
// create hellowWorld obj
IHelloWorld helloWorldObj = factory.CreateHelloWorldObj();
// call any of the implemented function to output "Hello World" to either console or database or other places
helloWorldObj.PrintHelloWorldToConsole("Hello World");
}
public void SubstituteFor_CreateHelloWorld()
{
HelloWorldFactory factory = Substitute.For <HelloWorldFactory>();
Assert.IsInstanceOf(typeof(ConsoleApp.HelloWorld), factory.CreateHelloWorldObj());
}