RAM testing using VHDL

HELLO.. everyone i ll be very thankful if u ll be able to help me ... i 
m a student, and i am working on RAM testing i need info about it .. i 
only know what faults are possible within the RAM and what is memory 
structure as i am a beginner please provide regarding information about 
it ..i am uploading my base paper and as i am trying to create a new 
algorithm which covers all faults as possible..and speed up the testing 
process

please provide information