An experiential Calvinist

I came across this "testimony" today and found it really encouraging. It's that of CJ Mahaney, author of the book Living the Cross Centred Life (which I haven't read), in which he says, with his tongue a little in his cheek, that he "was a calvinist experientially before he was informed doctrinally" because he was so saved out of a life of pervasive depravity when he was totally disinterested.