// Set to null
        CrawlingParameterUtil.setUrlQueue(null);

        // Should be null now
        assertNull(CrawlingParameterUtil.getUrlQueue());
    }

    public void test_crawlerContext_setAndGet() {
        // Initially should be null
        assertNull(CrawlingParameterUtil.getCrawlerContext());

        // Create and set a CrawlerContext

                assertFalse(iterator3.hasNext(), "Third instance should have no elements");

                assertNull(iterator1.next(), "First instance next() should return null");
                assertNull(iterator2.next(), "Second instance next() should return null");
                assertNull(iterator3.next(), "Third instance next() should return null");
            } catch (CIFSException e) {

        assertEquals(0, IntegerConversionUtil.toPrimitiveInt(""));
    }

    /**
     * @throws Exception
     */
    public void testToIntegerForEmptyString() throws Exception {
        assertNull(IntegerConversionUtil.toInteger(""));
    }

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.Mockito.mock;
import static org.mockito.Mockito.times;

            assertNull(responseData.getResponseBody());
            assertNull(responseData.getMetaDataMap().get("label"));
        }
        try (final ResponseData responseData = storageClient.doHead("storage://fess/")) {
            assertNull(responseData);
        }
        try (final ResponseData responseData = storageClient.doHead("storage://fess/dir1/")) {
            assertNull(responseData);
        }

        NtlmContext context = new NtlmContext(mockAuth, true);
        assertNotNull(context);
        assertFalse(context.isEstablished());
        assertNull(context.getServerChallenge());
        assertNull(context.getSigningKey());
        assertNull(context.getNetbiosName());

        int expectedFlags = NtlmFlags.NTLMSSP_REQUEST_TARGET | NtlmFlags.NTLMSSP_NEGOTIATE_NTLM2 | NtlmFlags.NTLMSSP_NEGOTIATE_128

        assertNull(((SitemapUrl) sitemaps[1]).getChangefreq());
        assertNull(((SitemapUrl) sitemaps[1]).getPriority());

        assertNull(sitemaps[2].getLastmod());
        assertEquals("http://www.example.com/catalog?item=73&desc=vacation_new_zealand", sitemaps[2].getLoc());
        assertNull(((SitemapUrl) sitemaps[2]).getChangefreq());
        assertNull(((SitemapUrl) sitemaps[2]).getPriority());

        assertEquals(NegTokenTarg.ACCEPT_INCOMPLETE, parsed.getResult(), "result should be present");
        assertNull(parsed.getMechanism(), "mechanism should be null when omitted");
        assertNull(parsed.getMechanismToken(), "mechanism token should be null when omitted");
        assertNull(parsed.getMechanismListMIC(), "MIC should be null when omitted");
    }

    @Test

package jcifs.smb1.smb1;

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

import java.util.Date;

import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.mockito.Mock;

/**

import static org.junit.jupiter.api.Assertions.assertNull;

import org.junit.jupiter.api.Test;

class ConnectionTimeoutExceptionTest {

    @Test
    void testNoArgsConstructor() {
        // Test the no-argument constructor
        ConnectionTimeoutException exception = new ConnectionTimeoutException();
        assertNull(exception.getMessage(), "Message should be null for no-arg constructor");