Added unit testing for ADT equality functions
Added unit testing for ADT equality functions

liuruxian/libextobjc,sunfei/libextobjc,bboyesc/libextobjc,KBvsMJ/libextobjc,goodheart/libextobjc,sanojnambiar/libextobjc,sandyway/libextobjc,WPDreamMelody/libextobjc,jiakai-lian/libextobjc,kolyuchiy/libextobjc,telly/libextobjc