assertEquals(SmbException.getStatusByCode(code), e.getNtStatus(), "status for code " + Integer.toHexString(code));
    }

    @Test
    void negativeCodeDefaultsToUnsuccessful() {
        SmbAuthException e = new SmbAuthException(-1);
        assertEquals(SmbException.getStatusByCode(-1), e.getNtStatus());
        assertEquals(SmbException.getMessageByCode(-1), e.getMessage());

                } else {
                    return DOS_ERROR_MESSAGES[mid];
                }
            }
        }

        return "0x" + Hexdump.toHexString(errcode, 8);
    }

    static int getStatusByCode(final int errcode) {
        if ((errcode & 0xC0000000) != 0) {
            return errcode;
        }
        int min = 0;
        int max = DOS_ERROR_CODES.length - 1;

        while (max >= min) {

        String message = errorCodeMessages.get(errcode);
        if (message == null) {
            message = "0x" + Hexdump.toHexString(errcode, 8);
        }
        return message;
    }

    static int getStatusByCode(final int errcode) {
        int statusCode;
        if ((errcode & 0xC0000000) != 0) {
            statusCode = errcode;
        } else if (dosErrorCodeStatuses.containsKey(errcode)) {