return null;
            }
        });

        FessConfig config = ComponentUtil.getFessConfig();
        assertNull(config.getMailFromName());
        assertNull(config.getMailFromAddress());
        assertNull(config.getMailHostname());
    }

    // Test creator instance creation with valid config
    @Test
    public void test_multipleCreatorInstances() {

        assertEquals(NtStatus.NT_STATUS_UNSUCCESSFUL, ex.getNtStatus(), "Default NT status should be UNSUCCESSFUL");
        assertNull(ex.getCause(), "Cause should be null by default");
        assertNull(ex.getRootCause(), "Root cause should be null by default");
        assertTrue(ex instanceof SmbException, "Should be an SmbException subtype");
    }

    /**

    public void test_Options_defaultValues() {
        // Test Options class default values
        ThumbnailGenerator.Options options = new ThumbnailGenerator.Options();
        assertNull(options.sessionId);
        assertNull(options.name);
        assertNull(options.propertiesPath);
        assertEquals(1, options.numOfThreads);
        assertFalse(options.cleanup);
    }

    @Test
    public void test_Options_toString() {

package jcifs.util.transport;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;

        assertEquals(1, stemmerOverrideItem.getId());
        assertEquals("aaa", stemmerOverrideItem.getInput());
        assertEquals("a", stemmerOverrideItem.getOutput());
        assertNull(stemmerOverrideItem.getNewInput());
        assertNull(stemmerOverrideItem.getNewOutput());
        assertFalse(stemmerOverrideItem.isUpdated());
        assertFalse(stemmerOverrideItem.isDeleted());

        stemmerOverrideItem.setNewInput("bbb");

        boolean abort = true;

        DataStoreCrawlingException exception = new DataStoreCrawlingException(url, message, cause, abort);

        assertNull(exception.getUrl());
        assertNull(exception.getMessage());
        assertNull(exception.getCause());
        assertTrue(exception.aborted());
    }

    @Test
    public void test_aborted_multipleCallsReturnSameValue() {

        assertNotNull(param.getValues());
        assertEquals(4, param.getValues().length);
        assertEquals("value1", param.getValues()[0]);
        assertNull(param.getValues()[1]);
        assertEquals("value3", param.getValues()[2]);
        assertNull(param.getValues()[3]);
    }

    @Test
    public void test_constructor_withSpecialCharacters() {
        // Test with special characters in name and values

        threads[0].join();
        threads[1].join();

        // Verify no exceptions occurred (the main goal is no ConcurrentModificationException)
        assertNull(exceptions[0], "Add thread threw exception");
        assertNull(exceptions[1], "Clear thread threw exception");
    }

    /**
     * Test iteration over deleteUrlList while synchronized.

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.Mockito.mock;

            assertEquals(originalMessage.getFlags(), parsedMessage.getFlags());
            assertNull(parsedMessage.getChallenge()); // Should be null if all zeros
            assertNull(parsedMessage.getTarget());
            assertNull(parsedMessage.getContext()); // Should be null if all zeros
            assertNull(parsedMessage.getTargetInformation());
        }

        @Test