using System;

using Pose;

using System.Threading.Tasks;

public interface IPaymentProvider

{

}

​

public interface IPaymentObjects

{

}

​

public class BraintreePaymentProvider : IPaymentProvider

{

}

​

public class BraintreePaymentObjectNewCard : IPaymentObjects

{

}

​

public class PaymentResult

{

    public string PaymentError {get;set;}

    public string OrderId{get;set;}

    public string Redirect{get;set;}

}

​

public static class PaymentMethodManager

{

    public static async Task<PaymentResult> PayAsync(IPaymentProvider payProvider, IPaymentObjects payObjects)

    {

        return new PaymentResult();

    }

}

​

public class Program

{

    public static void Main()

    {

        var paymentResult = new PaymentResult { OrderId = "ORD123", PaymentError = "None", Redirect = String.Empty };

        //Shim consoleShim = Shim.Replace(() => Console.WriteLine(Is.A<string>())).With(delegate (string s) { Console.WriteLine("Hijacked: {0}", s); });

        Shim paymentMethodManagerShim = Shim.Replace(() => PaymentMethodManager.PayAsync(Is.A<IPaymentProvider>(), Is.A<IPaymentObjects>()))

            .With(delegate (BraintreePaymentProvider payProvider, BraintreePaymentObjectNewCard payObjects) { return Task.FromResult(paymentResult); });

        PoseContext.Isolate(() => {

            var result = PaymentMethodManager.PayAsync(new BraintreePaymentProvider(), new BraintreePaymentObjectNewCard());

        }, paymentMethodManagerShim);

        Console.WriteLine("Hello World");

    }

}