How to test your antivirus is working properly or not


Just copy the following code and paste it in notepad 
          X5O!P%@AP[4\PZX54(P^)7CC)7}$EICAR-STANDARD-ANTIVIRUS-TEST-FILE!$H+H*
and save this by giving any name
if your antivirus was working properly it will detect it 
and will ask you to delete it
if not then you must review your antivirus to save your data