calcMethod.setAccessible(true);

        byte[] input = "test data".getBytes();
        byte[] oldHash = new byte[64];

        assertThrows(Exception.class, () -> {
            calcMethod.invoke(transport, input, 0, input.length, oldHash);
        });
    }

    /**
     * Test concurrent access to getPreauthIntegrityHash
     */
    @Test
    @DisplayName("Concurrent getPreauthIntegrityHash should be safe")

import junit.framework.Test;
import junit.framework.TestSuite;

/**
 * Generates a test suite covering the {@link Queue} implementations in the {@link java.util}
 * package. Can be subclassed to specify tests that should be suppressed.
 *
 * @author Jared Levy
 */
@GwtIncompatible
public class TestsForQueuesInJavaUtil {
  public static Test suite() {
    return new TestsForQueuesInJavaUtil().allTests();

     */
    @Override
    public boolean hasNext() {
        return this.next != null;
    }

    /**
     * {@inheritDoc}
     *
     * @see java.util.Iterator#next()
     */
    @Override
    public SmbResource next() {
        final SmbResource n = this.next;
        this.next = advance();
        return n;
    }

    /**
     * {@inheritDoc}
     *

        } catch (final Exception e) {
            logger.error("Error in test execution", e);
        } finally {
            numComplete++;
        }
    }

    /**
     * Main method to run the locking test.
     *
     * @param args command line arguments: [-t numThreads] [-i numIter] [-d delay] url
     * @throws Exception if an error occurs during test execution
     */

   * Records an exception so that it can be rethrown later in the test harness thread, triggering a
   * test case failure. Only the first failure is recorded; subsequent calls to this method from
   * within the same test have no effect.
   */
  final void threadRecordFailure(Throwable t) {
    threadFailure.compareAndSet(null, t);
  }

  /**
   * Extra checks that get done for all test cases.
   *

import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.ValueSource;
import org.mockito.Mock;
import org.mockito.junit.jupiter.MockitoExtension;

import jcifs.Configuration;
import jcifs.internal.SMBProtocolDecodingException;

/**

        }

        @Test
        @DisplayName("Should read file ID correctly with various patterns")
        void testReadFileIdPatterns() throws Exception {
            // Test with all zeros
            byte[] zeroFileId = new byte[16];
            testFileIdReading(zeroFileId);

            // Test with all ones
            byte[] onesFileId = new byte[16];

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

import jcifs.smb.SmbException;

/**
 * Test cases for AuthenticationRateLimiter
 */
public class AuthenticationRateLimiterTest {

    private AuthenticationRateLimiter rateLimiter;

    @BeforeEach
    public void setUp() {
        // Create rate limiter with test-friendly settings

    /**
     * Edge case – constructor using the winerr flag.
     */
    @Test
    @DisplayName("Winerr code 123 – message equals 123")
    void testConstructorWithWinerr() {
        SmbException ex = new SmbException(123, true);
        assertEquals("123", ex.getMessage());
        assertEquals(123, ex.getNtStatus());
    }

    /**
     * Parameterised test covering many error codes.
     * - Error code 0 returns 0 (NT_STATUS_SUCCESS)

import org.junit.jupiter.api.Test;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertTrue;

/**
 *
 */
class RequirementMatcherFactoryTest {

    /**
     * Test of createExactMatcher method, of class RequirementMatcherFactory.
     */
    @Test
    void testCreateExactMatcher() {