assertEquals(message, exception.getMessage());
        assertNull(exception.getCause());
    }

    @Test
    public void test_instanceOfFessSystemException() {
        // Test that ThumbnailGenerationException is an instance of FessSystemException
        ThumbnailGenerationException exception = new ThumbnailGenerationException("Test");

        assertTrue(exception instanceof FessSystemException);

 *
 * WARNING: Every val in here must not change for they same daemon. If it does, changes will go undetected,
 *          since this whole object is kept in the classloader between builds.
 *          Anything that changes must be in a val with a get() method that recomputes the value each time.
 */
object BuildEnvironment {

    /**
     * A selection of environment variables injected into the environment by the `codeql-env.sh` script.
     */

        curtainFinallyHook.hook(assistantDirector);

        // Verify that the method completes without errors
        assertTrue(true); // Method completed successfully
    }

    // Test hook method when MultiThreadedHttpConnectionManager class is not available
    @Test
    public void test_hook_classNotFound() {
        // Create a custom hook that simulates class not found scenario

import org.codelibs.fess.unit.UnitFessTestCase;
import org.junit.jupiter.api.Test;

/**
 * Test class for MIME type patterns defined in crawler/rule.xml.
 * Verifies that regex patterns correctly match MIME types with special characters.
 *
 * This test ensures that the + character in MIME types like application/xhtml+xml
 * is properly escaped in regex patterns to match literally.
 */

    }

    @Override
    protected void tearDown(TestInfo testInfo) throws Exception {
        ComponentUtil.setFessConfig(null);
        super.tearDown(testInfo);
    }

    /**
     * Test that setting search fields creates both array and Set.
     */
    @Test
    public void test_setSearchFields_createsSet() {
        String[] fields = { "field1", "field2", "field3" };

 */
public class RankFusionProcessorErrorHandlingTest extends UnitFessTestCase {

    private static final String ID_FIELD = "_id";

    /**
     * Test handling of searcher that throws RuntimeException.
     */
    @Test
    public void test_searcherThrowsRuntimeException() throws Exception {
        try (RankFusionProcessor processor = new RankFusionProcessor()) {

/**
 * Context object that holds query-related information and state during search processing.
 * Contains the query string, query builder, sort criteria, and various metadata.
 */
public class QueryContext {

    /** Prefix for queries that search only in URL fields. */
    protected static final String ALLINURL_FIELD_PREFIX = "allinurl:";

    /** Prefix for queries that search only in title fields. */

    public void test_constructor_isPrivate() {
        // Verify that SystemUtil has a private constructor (utility class pattern)
        try {
            Constructor<SystemUtil> constructor = SystemUtil.class.getDeclaredConstructor();
            assertTrue("Constructor should be private", java.lang.reflect.Modifier.isPrivate(constructor.getModifiers()));

            // Test that constructor is accessible when made accessible

/**
 * Represents a single character mapping rule that defines how input characters are mapped to output characters
 * for text analysis and search processing. This class is used in character mapping dictionaries to transform
 * text during indexing and search operations.
 *
 * <p>Each mapping item consists of one or more input character sequences that are mapped to a single output

    }

    @Test
    public void test_getParentGroup_withDepthLimit() {
        EntraIdAuthenticator authenticator = new EntraIdAuthenticator();
        authenticator.setMaxGroupDepth(2);

        // Test that depth limit returns empty arrays when depth is exceeded
        // With depth limit set to 2, depth 10 should return empty arrays
        Pair<String[], String[]> result = authenticator.getParentGroup(null, "test-id", 10);