public void InvokeReturningTarget()
{
var target = new Calculator();
ICalculator calc = Avatar.Of <ICalculator>();
var recorder = new RecordingBehavior();
// By adding the recorder *after* the dynamic target,
// we can check if any calls where made to the avatar
// instead of the target.
calc.AddBehavior(new DynamicTargetBehavior(target))
.AddBehavior(recorder);
var result = calc.Add(2, 3);
// We recorded the call to the avatar, but the
// dynamic target behavior passed the call through
// to the real calculator which did the math.
Assert.Empty(recorder.Invocations);
Assert.Equal(5, result);
}