I was diagnosed at age 13, as a result of me constantly being caught running away from school and home at the time. I was taken out of school for a day to a child psychology centre in Birmingham for it.
The testers were 2 nice middle aged ladies. At one point they told me a really simple joke - it was something about "hush puppies" and a man telling real puppies to hush or something -it wasn't very funny, and I could tell that they were only doing it to test my reaction, and that they didn't know I could tell. In the report afterward it said "stilted reaction to humor" or something similar.
Also, they asked me at one point how many friends I had - and when I said "a few, a couple" asked me to name them. I felt really embaressed, I didn't want anyone I knew to be mentioned in my report without them knowing, so I just kept saying "theres no one in particular" and wouldn't mention names. This reflected badly too.
Iv'e just been thinking about it really. I think I came off worse than I really am because I was nervous. I don't what any of your "diagnosis days" were like.