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© 2003 John D. McGregor
System tests - Brickles
 Inputs: mouse – where can it be moved
 
 Test cases:
 Input-based
•Paddle hits puck on first descent
•Paddle allows puck to hit floor
 Output-based
•Paddle  hits puck several times in a row but then loses it and eventually loses all pucks – loss
•Paddle hits puck many times – eventually game is won