1..11
# ->getSubject()
ok 1 - ->getSubject() returns the event subject
# ->getName()
ok 2 - ->getName() returns the event name
# ->getParameters()
ok 3 - ->getParameters() returns the event parameters
# ->getReturnValue() ->setReturnValue()
ok 4 - ->getReturnValue() returns the return value of the event
# ->setProcessed() ->isProcessed()
ok 5 - ->isProcessed() returns true if the event has been processed
ok 6 - ->setProcessed() changes the processed status
# ArrayAccess interface
ok 7 - sfEvent implements the ArrayAccess interface
ok 8 - sfEvent implements the ArrayAccess interface
ok 9 - ::offsetGet() throws an InvalidArgumentException exception when the parameter does not exist
ok 10 - sfEvent implements the ArrayAccess interface
ok 11 - sfEvent implements the ArrayAccess interface
 Looks like everything went fine.