trixing the ponie

does trick work on summons?
cant say why i want to know and if anyone thinks they know why "Shhhhh secret squirrel :P"
but seriously if someone tricks a summon does it act like a normal mob and just retarget and start attacking or act like a real player and stand there doing nothing?

I've not seen it work, basically once you set it to attack a target it repeats the command continually.