Hearthpwn

There is only one minion on the board, it's yours, it's either an acolyte of pain or an armor smith, you use the spell that prevents it from going below 1, then you use bouncing blade, which should technically go forever since no minion will die?

it will stop when its at 1 health

When there are no viable targets for Bouncing Blade to be able to kill or damage on the board, it stops. So it would hit your minion down to 1 and then stop.

This info is actually on the card's page.

http://www.hearthpwn.com/cards/12203-bouncing-blade 

"If Bouncing Blade is unable to kill any minions, due to an effect like Commanding Shout, it will stop when all minions are at 1 Health."

It stops, tried the Commanding shout +Bouncing blade combo, it doesn't work

Also, fun fact, Acolyte of Pain and Armorsmith only trigger when they take damage, meaning if you have an acolyte down to 1 health, Commanding Shout, and attack, you won't draw a card.

Quote from uiasdnmb jump

It also caps at about 80 bounces, but that shouldn't be of concern in normal game

 A priest takes turns with a warrior doubling the health of a Lorewalker Cho, and then the warrior casts bouncing blade.  I believe that's how you could test this.