}

    /**
     * Creates a Type-1 message using default values from the current
     * environment.
     */
    public Type1Message() {
        this(getDefaultFlags(), getDefaultDomain(), getDefaultWorkstation());
    }

    /**
     * Creates a Type-1 message with the specified parameters.
     *
     * @param flags The flags to apply to this message.

    private static final Map<String, byte[]> TARGET_INFO_CACHE = new HashMap<>();

    private static byte[] getDefaultTargetInfo(final CIFSContext tc) {
        final String domain = tc.getConfig().getDefaultDomain();
        byte[] ti = TARGET_INFO_CACHE.get(domain);
        if (ti != null) {
            return ti;
        }

        ti = makeTargetInfo(tc, domain);
        TARGET_INFO_CACHE.put(domain, ti);

        this(getDefaultFlags(type1), challenge,
                type1 != null && target == null && type1.getFlag(NTLMSSP_REQUEST_TARGET) ? getDefaultDomain() : target);
    }

    /**
     * Creates a Type-2 message with the specified parameters.
     *
     * @param flags The flags to apply to this message.

     * @param userInfo the user information string in the format "domain;user:pass"
     */
    public NtlmPasswordAuthentication(final CIFSContext tc, final String userInfo) {
        super(userInfo, tc.getConfig().getDefaultDomain(),
                tc.getConfig().getDefaultUsername() != null ? tc.getConfig().getDefaultUsername() : "GUEST",
                tc.getConfig().getDefaultPassword() != null ? tc.getConfig().getDefaultPassword() : "");

    }

    /**
     * Creates a Type-3 message using default values from the current
     * environment.
     */
    public Type3Message() {
        setFlags(getDefaultFlags());
        setDomain(getDefaultDomain());
        setUser(getDefaultUser());
        setWorkstation(getDefaultWorkstation());
    }

    /**
     * Creates a Type-3 message in response to the given Type-2 message

     * environment.
     *
     * @param tc
     *            context to use
     */
    public Type1Message(final CIFSContext tc) {
        this(tc, getDefaultFlags(tc), tc.getConfig().getDefaultDomain(), tc.getNameServiceClient().getLocalHost().getHostName());
    }

    /**
     * Creates a Type-1 message with the specified parameters.
     *
     * @param tc
     *            context to use

                        log.debug("Unknown host", uhe);
                        if (this.ctx.getConfig().getDefaultDomain() == null) {
                            throw uhe;
                        }
                        this.addresses = this.ctx.getNameServiceClient().getAllByName(this.ctx.getConfig().getDefaultDomain(), true);
                    }
                } else if (path.length() == 0 || path.equals("/")) {

        // Then
        assertNotNull(config);
        assertEquals("testuser", config.getDefaultUsername());
        assertEquals("testpass", config.getDefaultPassword());
        assertEquals("testdomain", config.getDefaultDomain());
    }

    @Test
    @DisplayName("Should handle null properties gracefully")
    void testNullProperties() throws CIFSException {
        // PropertyConfiguration doesn't handle null properties

            mockConfig.getLocalPort();
            mockConfig.getLocalAddr();
            mockConfig.getNetbiosHostname();
            mockConfig.getLogonShare();
            mockConfig.getDefaultDomain();
            mockConfig.getDefaultUsername();
            mockConfig.getDefaultPassword();
            mockConfig.getLanManCompatibility();
            mockConfig.isAllowNTLMFallback();

     * environment.
     *
     * @param tc
     *            context to use
     */
    public Type3Message(final CIFSContext tc) {
        setFlags(getDefaultFlags(tc));
        setDomain(tc.getConfig().getDefaultDomain());
        setUser(tc.getConfig().getDefaultUsername());
        setWorkstation(tc.getNameServiceClient().getLocalHost().getHostName());
    }

    /**