break;
        }
      }
    }
  }

  /**
   * Represents a detected cycle in lock acquisition ordering. The exception includes a causal chain
   * of {@code ExampleStackTrace} instances to illustrate the cycle, e.g.
   *
   * <pre>
   * com....PotentialDeadlockException: Potential Deadlock from LockC -&gt; ReadWriteA
   *   at ...
   *   at ...

    }

    @Test
    @DisplayName("getSmbSession creates and then reuses matching session")
    void getSmbSession_createAndReuse() {
        // Arrange: minimal credentials chain so SmbSessionImpl constructor succeeds
        CredentialsInternal creds = mock(CredentialsInternal.class);
        when(ctx.getCredentials()).thenReturn(creds);

        final Smb2QueryDirectoryRequest query = new Smb2QueryDirectoryRequest(th.getConfig());
        query.setFileName(getWildcard());
        create.chain(query);
        Smb2CreateResponse createResp;
        try {
            createResp = th.send(create);
        } catch (final SmbException e) {
            final Smb2CreateResponse cr = create.getResponse();

    public void testInheritance() {
        // Create exception
        TransportException exception = new TransportException("Test exception");

        // Test inheritance chain
        assertTrue(exception instanceof TransportException);
        assertTrue(exception instanceof CIFSException);
        assertTrue(exception instanceof Exception);
        assertTrue(exception instanceof Throwable);

            ServerMessageBlock2Request<?> cur = cr;

            if (first != null) {
                cr.chain(first);
                cur = first;

                for (final ServerMessageBlock2Request<?> req : others) {
                    cur.chain(req);
                    cur = req;
                }
            }

        assertEquals(threadCount * operationsPerThread, transformer.getGetDataCallCount());
    }

    /**
     * Test transformer chain
     */
    public void test_transformerChain() {
        // Create chain of transformers
        List<Transformer> transformerChain = new ArrayList<>();
        transformerChain.add(new TestTransformer("first"));

     * @param path the UNC path to the shared resource
     * @param service the service type (e.g., "A:" for disk share, "LPT1:" for printer)
     * @param andx the next command in the AndX chain, or null
     */
    public SmbComTreeConnectAndX(final CIFSContext ctx, final ServerData server, final String path, final String service,
            final ServerMessageBlock andx) {

        if (lastEntryIndex == -1) {
          // we need to update the root link from table[]
          tableSet(table, tableIndex, newNext);
        } else {
          // we need to update the link from the chain
          entries[lastEntryIndex] = maskCombine(entries[lastEntryIndex], newNext, mask);
        }

        return entryIndex;
      }
      lastEntryIndex = entryIndex;
      next = getNext(entry, mask);

     * @param shareAccess the share access mode
     * @param extFileAttributes the extended file attributes
     * @param createOptions the create options
     * @param andx the next command in the chain
     */
    public SmbComNTCreateAndX(final Configuration config, final String name, final int flags, final int access, final int shareAccess,

     * @param b the data buffer containing bytes to write
     * @param off the offset in the buffer where data starts
     * @param len the number of bytes to write
     * @param andx the next command in the AndX chain, or null
     */
    public SmbComWriteAndX(final Configuration config, final int fid, final long offset, final int remaining, final byte[] b, final int off,
            final int len, final ServerMessageBlock andx) {