ComponentUtil.setFessConfig(fessConfig);

        // Execute and expect exception to be handled
        try {
            String result = pingSearchEngineJob.execute();
            // Job should handle exception gracefully
            assertNotNull(result);
        } catch (Exception e) {
            // Exception is expected to be caught within the job
            assertTrue(e.getMessage().contains("Connection failed"));
        }

        assertNotNull(result);
    }

    public void test_getMatchedLabelValueSet_nullPath() {
        try {
            labelTypeHelper.getMatchedLabelValueSet(null);
            fail("Should handle null path gracefully or throw appropriate exception");
        } catch (Exception e) {
            // Expected behavior for null path
            assertNotNull(e);
        }
    }

    public void test_buildLabelTypeItems() {

    @DisplayName("Test toString with null values")
    void testToStringWithNullValues() {
        SmbShareInfo info = new SmbShareInfo();
        String str = info.toString();

        // Should handle null values gracefully
        assertNotNull(str);
        assertTrue(str.startsWith("SmbShareInfo["));
        assertTrue(str.contains("netName=null"));
        assertTrue(str.contains("type=0x"));

  }

  /**
   * Provides a check of whether an exception type is valid for use with {@link
   * FuturesGetChecked#getChecked(Future, Class)}, possibly using caching.
   *
   * <p>Uses reflection to gracefully fall back to when certain implementations aren't available.
   */
  private static final class GetCheckedTypeValidatorHolder {
    static final String CLASS_VALUE_VALIDATOR_NAME =

                        try {
                            // Test connection pool operations without actually connecting
                            boolean contains = pool.contains(null); // Should handle gracefully
                            successCount.incrementAndGet();
                        } catch (Exception e) {
                            synchronized (exceptions) {
                                exceptions.add(e);

            assertEquals(0, buffer.getNumReferrals());
            assertEquals(10, buffer.getTflags());
        }

        @Test
        @DisplayName("Should handle referral decode failure gracefully")
        void testReferralDecodeFailure() {
            // Create buffer with invalid referral data
            byte[] testBuffer = new byte[20];

            }, "Multiple close() calls should not throw exceptions");

            verify(mockSession, times(2)).close();
        }

        @Test
        @DisplayName("Should handle close with exception gracefully")
        void shouldHandleCloseExceptionGracefully() throws Exception {
            SmbSession mockSession = mock(SmbSession.class);
            Exception testException = new Exception("Test close exception");

        for (int i = 0; i < 10; i++) {
            assertEquals(4, SMBUtil.readInt2(buffer, i * 10));
        }
    }

    @Test
    @DisplayName("Should handle null configuration gracefully in response creation")
    void testCreateResponseWithNullConfig() {
        // Given
        Configuration mockConfig = mock(Configuration.class);

        // Then
        assertEquals(0, bytesWritten);
        assertArrayEquals(originalBuffer, buffer); // Buffer should remain unchanged
    }

    @Test
    @DisplayName("Should handle null configuration gracefully")
    void testNullConfiguration() {
        // When - constructor accepts null config without throwing
        Smb2TreeDisconnectResponse responseWithNull = new Smb2TreeDisconnectResponse(null);

        // Closing should send a single Smb2CloseRequest
        it.close();
        verify(tree).send(argThat((Request<?> r) -> r instanceof Smb2CloseRequest));
    }

    @Test
    @DisplayName("open() gracefully handles NT_STATUS_NO_SUCH_FILE (empty listing)")
    void open_handles_no_such_file_and_yields_empty() throws Exception {
        // Setup required for this test
        when(parent.getLocator()).thenReturn(locator);