import jcifs.smb.SID;
import jcifs.smb.SmbException;

/**
 * Test class for ACE (Access Control Entry)
 */
class ACETest {

    private ACE ace;
    private byte[] testBuffer;

    @BeforeEach
    void setUp() {
        ace = new ACE();
    }

    @Test
    @DisplayName("Test decode with allow ACE")
    void testDecodeAllowACE() throws Exception {
        // Prepare test data - Allow ACE

    class TestImplementationTests {

        private TestCreateContextResponse testResponse;
        private byte[] testName;
        private byte[] testBuffer;

        @BeforeEach
        void setUp() {
            testName = "CREATE_CONTEXT_TEST".getBytes(StandardCharsets.UTF_8);
            testResponse = new TestCreateContextResponse(testName);
            testBuffer = new byte[256];

    @Mock
    SmbSessionImpl session;

    @Mock
    SmbTransportImpl transport;

    @Mock
    Configuration config;

    private SmbTreeHandleImpl handle;

    @BeforeEach
    void setUp() {
        // Tree connection is acquired in the constructor and should return itself
        when(treeConnection.acquire()).thenReturn(treeConnection);
        when(treeConnection.getSession()).thenReturn(session);

abstract class AbstractAbstractFutureTest extends TestCase {
  private TestedFuture<Integer> future;
  private AbstractFuture<Integer> delegate;

  abstract AbstractFuture<Integer> newDelegate();

  @Override
  protected void setUp() {
    future = TestedFuture.create();
    delegate = newDelegate();
  }

  public void testPending() {
    assertPending(future);
  }

  public void testSuccessful() throws Exception {

   * #startAsync} has been called but {@link #notifyStarted} has not). Subclasses can override the
   * method to cancel pending work and then call {@link #notifyStopped} to stop the service.
   *
   * <p>This method should return promptly; prefer to do work on a different thread where it is
   * convenient. It is invoked exactly once on service shutdown, even when {@link #stopAsync} is

			xioutil.SafeClose(respHandler)
		}
	}()
	var pingTimer <-chan time.Time
	if m.deadline == 0 || m.deadline > m.clientPingInterval {
		ticker := time.NewTicker(m.clientPingInterval)
		defer ticker.Stop()
		pingTimer = ticker.C
		atomic.StoreInt64(&m.LastPong, time.Now().UnixNano())
	}
	defer m.parent.deleteMux(false, m.MuxID)
	for {
		select {
		case <-m.ctx.Done():
			if debugPrint {

- **Java 21 features** - Switch expressions and pattern matching for reduced overhead

## 🧪 Building and Testing

### Development Setup
```bash
# Clone the repository
git clone https://github.com/codelibs/corelib.git
cd corelib

# Compile the project
mvn clean compile

# Run all tests
mvn test

# Run specific test class

    @Mock
    private SmbNegotiationRequest negotiationRequest;

    @Mock
    private CommonServerMessageBlock serverMessageBlock;

    @Mock
    private Response response;

    @BeforeEach
    void setUp() {
        MockitoAnnotations.openMocks(this);
    }

    @Test
    @DisplayName("Test isValid returns true for valid negotiation")
    void testIsValidReturnsTrue() {
        // Arrange

import org.mockito.MockitoAnnotations;

/**
 * Test suite for DfsReferralResponseBuffer
 */
class DfsReferralResponseBufferTest {

    private DfsReferralResponseBuffer buffer;

    @BeforeEach
    void setUp() {
        MockitoAnnotations.openMocks(this);
        buffer = new DfsReferralResponseBuffer();
    }

    @Nested
    @DisplayName("Constructor and Initial State Tests")
    class ConstructorTests {

 */
public class Smb2NegotiateResponseInputValidationTest {

    private Configuration mockConfig;
    private Smb2NegotiateResponse response;

    @BeforeEach
    public void setUp() {
        mockConfig = Mockito.mock(Configuration.class);
        response = new Smb2NegotiateResponse(mockConfig);
    }

    /**
     * Test that malformed structure size is properly rejected.
     */
    @Test