"Should throw SMBProtocolDecodingException for structure size " + invalidSize);

        assertEquals("Expected structureSize = 9", exception.getMessage());
    }

    @Test
    @DisplayName("Test readBytesWireFormat with single file entry")
    void testReadBytesWireFormatSingleFileEntry() throws Exception {

class Smb2TreeDisconnectRequestTest {

    private static final short SMB2_TREE_DISCONNECT = 0x0004;

    @Test
    @DisplayName("Should create request with correct command type")
    void testConstructorSetsCorrectCommand() throws Exception {
        // Given
        Configuration mockConfig = mock(Configuration.class);

        // When
        Smb2TreeDisconnectRequest req = new Smb2TreeDisconnectRequest(mockConfig);

        assertFalse(capabilities.contains(RdmaCapability.RDMA_WRITE), "Should not support RDMA write");
    }

    @Test
    public void testCreateConnection() throws Exception {
        InetSocketAddress remote = new InetSocketAddress("localhost", 445);
        InetSocketAddress local = null;

        RdmaConnection connection = provider.createConnection(remote, local);

        }
    }

    public void test_cleanup() throws Exception {
        final String sessionId = crawler.getSessionId();

        // Add some test data
        crawler.addUrl("http://example.com/");

        // Perform cleanup - should not throw exception
        crawler.cleanup(sessionId);
    }

    public void test_stop() throws Exception {

            // Then
            assertNotNull(cancel);
            assertEquals(mid, cancel.getMid());
        }

        @Test
        @DisplayName("Should throw NullPointerException when config is null")
        void testNullConfigurationThrowsException() throws Exception {
            // Given
            Constructor<SmbComNtCancel> constructor = SmbComNtCancel.class.getDeclaredConstructor(Configuration.class, int.class);

        method.setAccessible(true);
        method.invoke(crawlerThread, urlQueue, responseData);

        // Should not throw exception, just log
    }

    /**
     * Test run method with no URLs in queue.
     */
    public void test_run_noUrlsInQueue() throws Exception {
        when(urlQueueService.poll(anyString())).thenReturn(null);
        crawlerContext.setStatus(CrawlerStatus.RUNNING);

        void testToStringWithNullFileId() throws Exception {
            // Set oplockLevel but leave fileId as null
            Field oplockLevelField = Smb2OplockBreakNotification.class.getDeclaredField("oplockLevel");
            oplockLevelField.setAccessible(true);
            oplockLevelField.set(notification, (byte) 0x01);

            // The implementation calls Hexdump.toHexString which throws NPE on null

        try {
            rateLimiter.checkAttempt(username, ip);
            fail("Should throw SmbException for locked account");
        } catch (SmbException e) {
            assertTrue(e.getMessage().contains("locked out"), "Should indicate account lockout");
        }
    }

    @Test
    public void testIpRateLimit() throws Exception {
        String ip = "192.168.1.3";

        int i = 0, n;

        while (i < len) {
            n = in.read(b, off + i, len - i);
            if (n <= 0) {
                break;
            }
            i += n;
        }

        return i;
    }

    static int readPacketType(final InputStream in, final byte[] buffer, final int bufferIndex) throws IOException {

        return this.treeConnection.getSession();
    }

    @Override
    public void ensureDFSResolved() throws CIFSException {
        this.treeConnection.ensureDFSResolved(this.resourceLoc);
    }

    @Override
    public boolean hasCapability(final int cap) throws SmbException {
        return this.treeConnection.hasCapability(cap);
    }

    /**
     * {@inheritDoc}
     *