ldapManager.init();

        // Edge cases that should return null
        assertNull(ldapManager.getSearchRoleName(null));
        assertNull(ldapManager.getSearchRoleName(""));
        assertNull(ldapManager.getSearchRoleName("   "));
        assertNull(ldapManager.getSearchRoleName("no_cn_prefix"));
        assertNull(ldapManager.getSearchRoleName("dn=test"));
    }

    @Test

        assertEquals("r1", kuromojiItem.getReading());
        assertEquals("p1", kuromojiItem.getPos());
        assertNull(kuromojiItem.getNewToken());
        assertNull(kuromojiItem.getNewSegmentation());
        assertNull(kuromojiItem.getNewReading());
        assertNull(kuromojiItem.getNewPos());
        assertFalse(kuromojiItem.isUpdated());
        assertFalse(kuromojiItem.isDeleted());

    @Test
    public void test_getConfigType() {
        assertNull(crawlingConfigHelper.getConfigType(null));
        assertNull(crawlingConfigHelper.getConfigType(""));
        assertNull(crawlingConfigHelper.getConfigType("XXX"));
        assertNull(crawlingConfigHelper.getConfigType("W"));
        assertNull(crawlingConfigHelper.getConfigType("F"));
        assertNull(crawlingConfigHelper.getConfigType("D"));

    @Test
    public void testNullPasswordHandling() {
        authenticator = new NtlmPasswordAuthenticator("DOMAIN", "username", (String) null);

        assertNull(authenticator.getPassword(), "getPassword should return null for null password");
        assertNull(authenticator.getPasswordAsCharArray(), "getPasswordAsCharArray should return null for null password");

        // secureWipePassword should not throw exception

        // Verify
        assertNull(result);
    }

    @Test
    public void test_getResponse_withUnsetType() {
        // Execute - requesting type without setting response
        ActionResponse result = authenticator.getResponse(SsoResponseType.METADATA);

        // Verify
        assertNull(result);
    }

    // Test logout method
    @Test

        // Arrange & Act
        SMBProtocolDecodingException ex = new SMBProtocolDecodingException();

        // Assert state
        assertNull(ex.getMessage(), "Default constructor should have null message");
        assertNull(ex.getCause(), "Default constructor should have null cause");
        assertTrue(ex instanceof CIFSException, "Should be a CIFSException subtype");

    expectReplacement(entry(k0(), v3()));
  }

  @MapFeature.Require(SUPPORTS_PUT)
  public void testPut_supportedNotPresent() {
    assertNull("put(notPresent, value) should return null", put(e3()));
    expectAdded(e3());
  }

  @MapFeature.Require({FAILS_FAST_ON_CONCURRENT_MODIFICATION, SUPPORTS_PUT})
  @CollectionSize.Require(absent = ZERO)

        assertNull(exception.getMessage());
        assertNull(exception.getCause());
    }

    @Test
    public void test_constructor_withNullMessageAndCause() {
        // Test constructor with null message and null cause
        SsoLoginException exception = new SsoLoginException(null, null);

        assertNull(exception.getMessage());
        assertNull(exception.getCause());
    }

    @Test

    try {
      assertNull(
          "remove(null) should return null or throw NullPointerException", getMap().remove(null));
    } catch (NullPointerException tolerated) {
    }
    expectUnchanged();
  }

  @MapFeature.Require({SUPPORTS_REMOVE, ALLOWS_NULL_KEY_QUERIES})
  public void testRemove_nullSupportedMissing() {
    assertNull("remove(null) should return null", getMap().remove(null));

        netdfs.DfsStorageInfo decodedStorageInfo = new netdfs.DfsStorageInfo();
        decodedStorageInfo.decode(src);

        assertEquals(storageInfo.state, decodedStorageInfo.state);
        assertNull(decodedStorageInfo.server_name);
        assertNull(decodedStorageInfo.share_name);
    }

    @Test
    void testDfsInfo3_EncodeDecode() throws NdrException {
        netdfs.DfsInfo3 info3 = new netdfs.DfsInfo3();