Test plan
action
expected
comment
increment 1 increment from initial state
increment 2 sequence of increments
increment 3
increment 4
ndecrement 3 sequence of decrements
decrement 2
increment 3 increment follows decrement
reset 0
increment 1 increment follows reset
decrement 0
decrement 0 decrement 0 count
reset 0
decrement 0 decrement follows reset
create 0 initial state
decrement 0 decrement from initial state