public void TestMethod1()
{
var obj = new ClassB();
var proxy = obj.GetInstance();
var containsCountable = (IContainsCountable)proxy;
var countable = (ICountable)proxy;
var longCountable = (ILongCountable)proxy;
containsCountable.Countable.Count = 13;
Assert.AreEqual(13, obj.Countable.GetCount());
Assert.AreEqual(17, countable.GetCount());
Assert.AreEqual(17, longCountable.GetCount());
Assert.AreEqual(13, longCountable.LongCount);
}