add RpcCodec format test.
add RpcCodec format test.

Cofyc/muduo,dhanzhang/muduo,KunYi/muduo,lizj3624/http-github.com-chenshuo-muduo-,shenhzou654321/muduo,ywy2090/muduo,KingLebron/muduo,flyfeifan/muduo,SourceInsight/muduo,floristt/muduo,lvshiling/muduo,SourceInsight/muduo,lvmaoxv/muduo,mitliucak/muduo,zxylvlp/muduo,floristt/muduo,shenhzou654321/muduo,ucfree/muduo,guker/muduo,Cofyc/muduo,zhanMingming/muduo,kidzyoung/muduo,pthreadself/muduo,wangweihao/muduo,ucfree/muduo,SourceInsight/muduo,danny200309/muduo,SuperMXC/muduo,lizj3624/muduo,lizj3624/http-github.com-chenshuo-muduo-,ucfree/muduo,KublaikhanGeek/muduo,lvshiling/muduo,yunhappy/muduo,shenhzou654321/muduo,huan80s/muduo,zhuangshi23/muduo,SuperMXC/muduo,danny200309/muduo,KunYi/muduo,tsh185/muduo,kidzyoung/muduo,youprofit/muduo,mitliucak/muduo,decimalbell/muduo,danny200309/muduo,huan80s/muduo,zouzl/muduo-learning,june505/muduo,SuperMXC/muduo,dhanzhang/muduo,dhanzhang/muduo,zxylvlp/muduo,xzmagic/muduo,Cofyc/muduo,westfly/muduo,SuperMXC/muduo,ywy2090/muduo,fc500110/muduo,lizhanhui/muduo,zhanMingming/muduo,decimalbell/muduo,KingLebron/muduo,penyatree/muduo,devsoulwolf/muduo,daodaoliang/muduo,ucfree/muduo,SourceInsight/muduo,june505/muduo,wangweihao/muduo,lizj3624/muduo,fc500110/muduo,lizj3624/muduo,SuperMXC/muduo,jxd134/muduo,floristt/muduo,westfly/muduo,KublaikhanGeek/muduo,SourceInsight/muduo,jxd134/muduo,lizhanhui/muduo,shuang-shuang/muduo,dhanzhang/muduo,shenhzou654321/muduo,jerk1991/muduo,decimalbell/muduo,devsoulwolf/muduo,huan80s/muduo,KingLebron/muduo,decimalbell/muduo,xzmagic/muduo,wangweihao/muduo,zouzl/muduo-learning,zhuangshi23/muduo,pthreadself/muduo,lvmaoxv/muduo,devsoulwolf/muduo,dhanzhang/muduo,Cofyc/muduo,penyatree/muduo,wangweihao/muduo,shuang-shuang/muduo,guker/muduo,nestle1998/muduo,lizj3624/muduo,devsoulwolf/muduo,decimalbell/muduo,lizj3624/http-github.com-chenshuo-muduo-,shenhzou654321/muduo,daodaoliang/muduo,nestle1998/muduo,zouzl/muduo-learning,DongweiLee/muduo,floristt/muduo,mitliucak/muduo,ucfree/muduo,zhuangshi23/muduo,huan80s/muduo,KingLebron/muduo,jerk1991/muduo,lizj3624/muduo,lizj3624/http-github.com-chenshuo-muduo-,DongweiLee/muduo,yunhappy/muduo,lizj3624/http-github.com-chenshuo-muduo-,tsh185/muduo,devsoulwolf/muduo,mitliucak/muduo,westfly/muduo,Cofyc/muduo,danny200309/muduo,huan80s/muduo,flyfeifan/muduo,mitliucak/muduo,danny200309/muduo,youprofit/muduo,KingLebron/muduo,zxylvlp/muduo,floristt/muduo,wangweihao/muduo