assertNull(unwrapped);
        }
    }

    @Nested
    @DisplayName("Exception handling tests")
    class ExceptionHandlingTests {

        @Test
        @DisplayName("doEnum rethrows CIFSException when not UnknownHostException")
        void doEnum_rethrowsCIFSException_whenNotUnknownHost() throws Exception {
            // Arrange
            SmbFile parent = mock(SmbFile.class, RETURNS_DEEP_STUBS);

 */
package org.codelibs.fess.exception;

/**
 * This exception is thrown when a scheduled job fails.
 */
public class ScheduledJobException extends FessSystemException {

    private static final long serialVersionUID = 1L;

    /**
     * Constructor.
     * @param message Exception message.
     * @param cause Root cause for this exception.
     */

        IOException error = new IOException("Test error");

        // Should not throw exception
        assertDoesNotThrow(() -> channelManager.handleChannelFailure(channel, error));
    }

    @Test
    void testEstablishReplacementChannel() {
        // Should not throw exception even when no interfaces are available

package org.codelibs.fess.crawler.extractor.impl;

import java.io.IOException;
import java.io.InputStream;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.codelibs.core.io.CloseableUtil;
import org.codelibs.core.io.ResourceUtil;
import org.codelibs.fess.crawler.container.StandardCrawlerContainer;
import org.codelibs.fess.crawler.exception.CrawlerSystemException;

        }
    }

    public void test_cleanup() throws Exception {
        final String sessionId = crawler.getSessionId();

        // Add some test data
        crawler.addUrl("http://example.com/");

        // Perform cleanup - should not throw exception
        crawler.cleanup(sessionId);
    }

    public void test_stop() throws Exception {
        final CrawlerWebServer server = new CrawlerWebServer(7070);

                    }
                } catch (Exception e) {
                    exception.set(e);
                } finally {
                    latch.countDown();
                }
            });
        }

        latch.await(30, TimeUnit.SECONDS);
        executor.shutdown();

        if (exception.get() != null) {
            throw exception.get();
        }
    }

        assertThat(itr.next(), is("a"));
        assertThat(itr.hasNext(), is(not(true)));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testRemove() throws Exception {
        exception.expect(ClUnsupportedOperationException.class);
        exception.expectMessage(is("remove"));
        final Vector<String> vector = new Vector<String>();
        vector.add("a");

    @Test
    public void test_constructor() throws Exception {
        QueryLog queryLog = new QueryLog("test query", "test filter");

        assertNotNull(queryLog);
        assertEquals("test query", queryLog.getQueryString());
        assertEquals("test filter", queryLog.getFilterQueryString());
    }

    @Test
    public void test_constructorWithNullFilter() throws Exception {

        SMBProtocolDecodingException exception =
                assertThrows(SMBProtocolDecodingException.class, () -> response.readBytesWireFormat(buffer, bufferIndex),
                        "Should throw SMBProtocolDecodingException for invalid structure size");

        assertEquals("Expected structureSize = 9", exception.getMessage());
    }

    @ParameterizedTest

import org.codelibs.fess.crawler.container.CrawlerContainer;
import org.codelibs.fess.crawler.entity.ExtractData;
import org.codelibs.fess.crawler.exception.CrawlingAccessException;
import org.codelibs.fess.crawler.exception.ExtractException;
import org.codelibs.fess.crawler.exception.MaxLengthExceededException;
import org.codelibs.fess.crawler.helper.ContentLengthHelper;
import org.codelibs.fess.crawler.helper.MimeTypeHelper;

/**