junit framework TestCase testshortstack testcase num_trials num_reps testops s.push s.push s.push assertequals s.peek assertequals s.peek assertequals s.pop assertequals s.pop s.push assertequals s.peek assertequals s.pop assertequals s.peek assertequals s.pop s.peek fail s.pop fail testgrow s.push s.push s.push s.push s.push trial trial num_trials trial start system.currenttimemillis rep rep num_reps rep s.push s.push s.push s.pop s.pop s.push s.push s.push s.push s.pop s.pop s.pop s.pop s.push s.pop s.pop system.currenttimemillis end-start start system.currenttimemillis stdstack rep rep num_reps rep stdstack.push stdstack.push stdstack.push stdstack.pop stdstack.pop stdstack.push stdstack.push stdstack.push stdstack.push stdstack.pop stdstack.pop stdstack.pop stdstack.pop stdstack.push stdstack.pop stdstack.pop system.currenttimemillis end-start