Properties props = new Properties();
        // Set some default test properties
        props.setProperty("jcifs.smb.client.username", "testuser");
        props.setProperty("jcifs.smb.client.password", "testpass");
        props.setProperty("jcifs.smb.client.domain", "testdomain");
        props.setProperty("jcifs.netbios.hostname", "testhost");
        props.setProperty("jcifs.netbios.scope", "");

        // Then
        assertEquals(messageSize, transformHeader.getOriginalMessageSize());
    }

    @Test
    @DisplayName("Should set and get flags")
    void testFlags() {
        // Given
        int flags = 0x0001; // Encrypted flag

        // When
        transformHeader.setFlags(flags);

        // Then
        assertEquals(flags, transformHeader.getFlags());
    }

  }

  @CollectionSize.Require(SEVERAL)
  public void testFirst() {
    assertEquals(a.getKey(), navigableMap.firstKey());
  }

  @CollectionSize.Require(SEVERAL)
  public void testLast() {
    assertEquals(c.getKey(), navigableMap.lastKey());
  }

  @CollectionSize.Require(absent = ZERO)
  public void testHeadMapExclusive() {

    assertEquals(a, sortedSet.last());
  }

  @CollectionSize.Require(SEVERAL)
  public void testFirst() {
    assertEquals(a, sortedSet.first());
  }

  @CollectionSize.Require(SEVERAL)
  public void testLast() {
    assertEquals(c, sortedSet.last());
  }

    // Test getLoginCredential method
    public void test_getLoginCredential_returnsValidCredential() {
        // Setup test credential
        TestLoginCredential expectedCredential = new TestLoginCredential("testuser", "testpass");
        authenticator.setLoginCredential(expectedCredential);

        // Execute
        LoginCredential result = authenticator.getLoginCredential();

        // Verify
        assertNotNull(result);

        assertNull(sslSocketFactory);
    }

    public void test_request_withBasicAuth() {
        setupMockConfig("localhost:9200", "testuser", "testpass");

        curlHelper.init();

        CurlRequest request = new CurlRequest(Curl.Method.GET, "http://localhost:9200/test");
        CurlRequest processedRequest = callProtectedRequest(curlHelper, request);

        when(mockDelegate.getDefaultDomain()).thenReturn("WORKGROUP");
        when(mockDelegate.getDefaultUsername()).thenReturn("testuser");
        when(mockDelegate.getDefaultPassword()).thenReturn("testpass");
        when(mockDelegate.getNativeLanman()).thenReturn("jCIFS");

        // When
        String oemEncoding = delegatingConfig.getOemEncoding();

        // Configure authentication - set fields directly since NtlmPasswordAuthentication is final
        mockAuth.username = "testuser";
        mockAuth.domain = "TESTDOMAIN";
        mockAuth.password = "testpass";

        when(mockAuth.getAnsiHash(any(byte[].class))).thenReturn(new byte[24]);
        when(mockAuth.getUnicodeHash(any(byte[].class))).thenReturn(new byte[24]);
        when(mockAuth.getName()).thenReturn("testuser");

    assertEquals(null, navigableMap.higherEntry(c.getKey()));
    assertEquals(null, navigableMap.higherKey(c.getKey()));
  }

  @CollectionSize.Require(SEVERAL)
  public void testLast() {
    assertEquals(c, navigableMap.lastEntry());
  }

  @MapFeature.Require(SUPPORTS_REMOVE)
  @CollectionSize.Require(SEVERAL)
  public void testPollLast() {

    assertEquals(null, navigableMap.higherEntry(c.getKey()));
    assertEquals(null, navigableMap.higherKey(c.getKey()));
  }

  @CollectionSize.Require(SEVERAL)
  public void testLast() {
    assertEquals(c, navigableMap.lastEntry());
  }

  @MapFeature.Require(SUPPORTS_REMOVE)
  @CollectionSize.Require(SEVERAL)
  public void testPollLast() {