mainline: improved test case
mainline: improved test case

ZixiangBoy/SuperSocket,mdavid/SuperSocket,mdavid/SuperSocket,fryderykhuang/SuperSocket,ZixiangBoy/SuperSocket,ZixiangBoy/SuperSocket,mdavid/SuperSocket,chucklu/SuperSocket,chucklu/SuperSocket,jmptrader/SuperSocket,chucklu/SuperSocket,fryderykhuang/SuperSocket,kerryjiang/SuperSocket,jmptrader/SuperSocket,memleaks/SuperSocket,kerryjiang/SuperSocket,fryderykhuang/SuperSocket,jmptrader/SuperSocket