I've isolated the behaviour into the following test case. I'd be grateful to anyone who can tell me how to expect/verify a property set for a List property - it appears there's something going on inside It.Is(predicate) that isn't making a whole lot of sense to me right now. Sample code will run as a console app from VS2008 - you'll need to add a reference to Moq 2.6 (I'm on 2.6.1014.1) - please try uncommenting the different ExpectSet statements to see what's happening...
using System;
using Moq;
using System.Collections.Generic;
namespace MoqDemo {
public interface IView {
List Names { get; set; }
}
public class Controller {
private IView view;
public Controller(IView view) {
this.view = view;
}
public void PopulateView() {
List names = new List() { "Hugh", "Pugh", "Barney McGrew" };
view.Names = names;
}
public class MyApp {
public static void Main() {
Mock mockView = new Mock();
// This works - and the expectation is verifiable.
mockView.ExpectSet(mv => mv.Names);
// None of the following can be verified.
// mockView.ExpectSet(mv => mv.Names, It.Is(o => o != null));
// mockView.ExpectSet(mv => mv.Names, It.Is>(names => names.Count == 3));
// mockView.ExpectSet(mv => mv.Names, It.IsAny>());
Controller controller = new Controller(mockView.Object);
controller.PopulateView();
try {
mockView.VerifyAll();
Console.WriteLine("Verified OK!");
} catch (MockException ex) {
Console.WriteLine("Verification failed!");
Console.WriteLine(ex.Message);
}
Console.ReadKey(false);
}
}
}
}
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