Wildcards are not permitted in the argument. If the file is locked already, an exception is thrown. If multiple matches to the file are found, or no match exists, exceptions are thrown. This method returns a string describing the blackboard. This method exercises the object's methods.
Diagnostic output is sent to cerr.
If all of the tests pass, this method returns true. Otherwise, it returns false. All exceptions generated during the test are caught and reported. Inc. All Rights Reserved.