tests the mode #tostring method . concode_field_sep ExpectedException mThrown concode_field_sep void umaskExceedLength concode_elem_sep void setOwnerBits concode_elem_sep void umask concode_elem_sep void fromShort concode_elem_sep void equals concode_elem_sep void setGroupBits concode_elem_sep void setOtherBits concode_elem_sep void after concode_elem_sep void copyConstructor concode_elem_sep void umaskNotInteger concode_elem_sep void toShort concode_elem_sep void createNoAccess