Test that unknown option is not silently ignored. Test bad binlog format. Test bad default storage engine. Test non-numeric value passed to number option. Test that bad value for plugin enum option is rejected correctly. Test to see if multiple unknown options will be displayed in the error output FOUND 1 /unknown option '--nonexistentoption2'/ in mysqltest.log FOUND 1 /unknown option '--alsononexistent'/ in mysqltest.log FOUND 1 /unknown variable 'nonexistentvariable=1'/ in mysqltest.log Test to see if multiple ambiguous options and invalid arguments will be displayed in the error output FOUND 1 /Error while setting value 'invalid_value' to 'sql_mode'/ in mysqltest.log FOUND 1 /ambiguous option '--character'/ in mysqltest.log FOUND 1 /option '--bootstrap' cannot take an argument/ in mysqltest.log FOUND 1 /Integer value out of range for uint64: '18446744073709551616' for binlog_cache_size/ in mysqltest.log FOUND 1 /Unknown suffix 'y' used for variable 'bulk_insert_buffer_size' \(value '123y'\). Legal suffix characters are: K, M, G, T, P, E/ in mysqltest.log FOUND 1 /Error while setting value '123y' to 'bulk_insert_buffer_size'/ in mysqltest.log Test that --help --verbose works Test that --not-known-option --help --verbose gives error Done.