added test for zeroBuffer
added test for zeroBuffer

SoloAlong/SoloAlong,energene/SoloAlong,cameron4us/SoloAlong,cameron4us/SoloAlong,AaronFilson/SoloAlong,SoloAlong/SoloAlong,energene/SoloAlong,AaronFilson/SoloAlong