*/
    public PreauthIntegrityContext initializeSession(String sessionId, byte[] salt, int hashAlgorithm) throws CIFSException {
        if (sessionId == null || sessionId.isEmpty()) {
            throw new CIFSException("Session ID cannot be null or empty");
        }
        if (salt == null || salt.length < 16) {
            throw new CIFSException("Invalid preauth salt: minimum 16 bytes required");
        }

     * If this method returns <code>null</code> the <code>SmbAuthException</code> that triggered the authenticator check will
     * simply be rethrown. The default implementation returns <code>null</code>.
     * @return the authentication credentials or null if none available
     */
    protected NtlmPasswordAuthenticator getNtlmPasswordAuthentication() {
        return null;
    }

     */
    protected static String getPattern(final String messageCode) {
        if (isEmpty(messageCode)) {
            return null;
        }
        final ResourceBundle resourceBundle = getResourceBundle(getSystemName(messageCode));
        if (resourceBundle == null) {
            return null;
        }

        final int length = messageCode.length();
        if (length > CODE_NUMBER_LENGTH) {

class PACDecodingExceptionTest {

    /**
     * Test the default constructor.
     */
    @Test
    void testDefaultConstructor() {
        PACDecodingException e = new PACDecodingException();
        // Expect null message and null cause
        assertNull(e.getMessage());
        assertNull(e.getCause());
    }

    /**
     * Test the constructor with a message.
     */
    @Test
    void testMessageConstructor() {

        }
    }

    // Test property filter returning null simulation
    public void test_get_filterReturnsNull() {
        // The filter.null property is configured to simulate null filter behavior
        try {
            fessConfig.get("filter.null");
            fail("Should throw exception when property is not found");
        } catch (ConfigPropertyNotFoundException e) {

    @Test
    @DisplayName("Test equals method with null netName")
    void testEqualsWithNullNetName() {
        SmbShareInfo info1 = new SmbShareInfo();
        SmbShareInfo info2 = new SmbShareInfo();

        // Both have null netName
        assertTrue(info1.equals(info2));

        SmbShareInfo info3 = new SmbShareInfo(TEST_NET_NAME, 0, TEST_REMARK);
        // One null, one non-null
        assertFalse(info1.equals(info3));

    int initialSize = collection.size();
    assertTrue("remove(null) should return true", collection.remove(null));
    assertEquals(
        "remove(present) should decrease a collection's size by one.",
        initialSize - 1,
        collection.size());
    expectMissing((E) null);
  }

  @CollectionFeature.Require(absent = SUPPORTS_REMOVE)
  @CollectionSize.Require(absent = ZERO)

            getMap()
                .computeIfAbsent(
                    null,
                    k -> {
                      assertNull(k);
                      return v3();
                    }));
    expectUnchanged();
    expectNullKeyMissingWhenNullKeysUnsupported(
        "Should not contain null key after unsupported computeIfAbsent(null, function)");
  }

    }

    /**
     * Test that assertPropertyNotNull throws exception for null input
     */
    public void test_assertPropertyNotNull_withNull() {
        try {
            // Create a test instance that extends FessLabels
            TestFessLabels labels = new TestFessLabels();
            labels.testAssertPropertyNotNull(null);
            fail("Should throw IllegalArgumentException");

      return spliterator.tryAdvance(action);
    }

    @Override
    @Nullable GeneralSpliterator<E> trySplit() {
      Spliterator<E> split = spliterator.trySplit();
      return split == null ? null : new GeneralSpliteratorOfObject<>(split);
    }
  }

  @IgnoreJRERequirement // *should* be redundant with the annotation on SpliteratorTester
  private static final class GeneralSpliteratorOfPrimitive<