How to check if an iRule is active

PLEASE HELP. I am trying to apply an iRule to a virtual server. So I am using the below code for testing if the iRule is active. All the below code suppose to do is to redirect all traffic to google. However, nothing seems to happen. I am not even sure if the iRule is called. I can see the iRule via the network map under the virtual server (the circle next to it is white though, should it be?). when HTTP_REQUEST { HTTP::redirect "http://www.google.com" }