SmbTreeInternal tree = mock(SmbTreeInternal.class);

        when(mockTransport.unwrap(SmbTransportInternal.class)).thenReturn(internal);
        when(internal.getSmbSession(eq(ctx), eq("server.test"), isNull())).thenReturn(session);
        when(session.unwrap(SmbSessionInternal.class)).thenReturn(session);
        when(session.getSmbTree(eq("IPC$"), isNull())).thenReturn(tree);

     *
     * @param next the next request in the chain
     * @return whether to allow chaining
     */
    boolean allowChain(CommonServerMessageBlockRequest next);

    /**
     * Sets the tree ID.
     *
     * @param t the tree ID to set
     */
    void setTid(int t);

    /**
     * Gets the custom response timeout for this request.
     *
     * @return custom response timeout for this request
     */

     */
    void treeConnectLogon() throws SmbException;

    /**
     * Gets or creates an SMB tree connection for the specified share and service.
     *
     * @param share the share name to connect to
     * @param service the service type for the connection
     * @return tree instance
     */
    SmbTree getSmbTree(String share, String service);

    /**
     * Initiate reauthentication
     *

package jcifs.internal.smb2.tree;

import static org.junit.jupiter.api.Assertions.assertArrayEquals;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNotNull;
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;
import static org.mockito.Mockito.verify;

package jcifs.internal.smb2.tree;

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

        }

        log.trace("File already open");
        return this.handle.acquire();
    }

    /**
     * Ensures that the tree connection is established.
     *
     * @return the tree handle
     * @throws CIFSException if an error occurs connecting to the tree
     */
    protected SmbTreeHandleImpl ensureTreeConnected() throws CIFSException {
        return this.file.ensureTreeConnected();
    }

        assertTrue(ex.getMessage() != null && ex.getMessage().contains("Usage count dropped below zero"));
    }

    @Test
    @DisplayName("getTreeId(): no tree returns -1")
    void getTreeId_noTree_returnsMinusOne() {
        // Arrange
        CIFSContext ctx = mock(CIFSContext.class);
        SmbTreeConnectionTrace trace = new SmbTreeConnectionTrace(ctx);

        super(handle.getPipe(), th, null);
        this.handle = handle;
    }

    /**
     * Ensures that the tree connection is established.
     *
     * @return the tree handle implementation
     * @throws CIFSException if a connection error occurs
     */
    protected synchronized SmbTreeHandleImpl ensureTreeConnected() throws CIFSException {

        double avgOpTimeNs = totalTime.get() / (double) treeOperations.get();

        System.out.printf("Session Management Performance: %d tree ops in %.2f ms%n", treeOperations.get(), overallTimeMs);
        System.out.printf("  Avg tree operation time: %.2f ns%n", avgOpTimeNs);

        // Verify thread safety and performance

        smbSession = mock(SmbSession.class);
        smbSession.transport = smbTransport;

        // Mock the tree layer
        smbTree = mock(SmbTree.class);
        smbTree.session = smbSession;
        smbTree.tree_num = 1;

        // Mock the SmbFile
        smbFile = mock(SmbFile.class);
        smbFile.tree = smbTree;
        smbFile.fid = 1;
        smbFile.tree_num = 1;

        when(smbFile.isFile()).thenReturn(true);