Simulating your own defence

Hey,

I was always wondering if my defence is a nice and good defence. I had to wait for an attack from another player and lose (or win) some cups.

My idea was to develop a mode which allows you to test your defence. This time you are attacking your own base, with the choise of all troops and spells. When you are finished testing, you could change something of your defence to make it even better. Also you are not having the problem that your losing cups, because it is a test mode.

I really want your commentary on this subject, because I hope/think there are lots of other players, who also want this mode comes in the real game.

A feature similar to this often asked for, attacking your clan mates/friends...

However with the introduction of clan wars, what's to stop players from simply changing their bases to match that of their prospective war targets, and knowing almost exactly how to attack?

Pre-clan wars I think this would have been a great feature. I suppose it could be disabled during clan wars...