using System;
using System.Reflection;

namespace Tests.Caliburn
{
    public static class Helper
    {
        public static bool HasWiredEvent(object publisher, string eventName)
        {
            FieldInfo fieldInfo = publisher.GetType()
                .GetField(eventName, BindingFlags.Instance | BindingFlags.NonPublic);

            Delegate del = (Delegate) fieldInfo.GetValue(publisher);
            Delegate[] list = del.GetInvocationList();

            return list.Length == 1;
        }
    }
}