when(tree.isConnected()).thenReturn(true);
        assertTrue(h.isValid());
        h.markClosed();
        assertFalse(h.isValid());
    }

    @Test
    @DisplayName("getFid/getFileId throw SmbException when invalid")
    void getters_throw_whenInvalid() {
        when(cfg.isTraceResourceUsage()).thenReturn(false);
        stubValidTree(1L, true, true);

            @Override
            public void setFileId(byte[] fileId) {
                this.fileId = fileId;
                this.setCount++;
            }

            public byte[] getFileId() {
                return fileId;
            }

            public int getSetCount() {
                return setCount;
            }
        }

        // When

            assertEquals(response.getFileAttributes(), response.getAttributes());
        }

        @Test
        @DisplayName("getFileId should return the file ID passed in constructor")
        void testGetFileId() {
            assertArrayEquals(testFileId, response.getFileId());
        }

        @Test
        @DisplayName("getFileName should return the file name passed in constructor")

    @Override
    public final int getAttributes() {
        return getFileAttributes();
    }

    /**
     * Get the unique file identifier
     * @return the fileId
     */
    public final byte[] getFileId() {
        return this.fileId;
    }

    /**
     * Get the file name
     * @return the fileName
     */
    public final String getFileName() {
        return this.fileName;
    }

        
        if (message instanceof Smb2ReadRequest) {
            affinityKey = Arrays.hashCode(((Smb2ReadRequest)message).getFileId());
        } else if (message instanceof Smb2WriteRequest) {
            affinityKey = Arrays.hashCode(((Smb2WriteRequest)message).getFileId());
        }
        
        if (affinityKey != 0) {
            // Select channel based on affinity key

        when(mockTreeHandle.getSendBufferSize()).thenReturn(65536);
        when(mockFileHandle.isValid()).thenReturn(false, true); // First false to trigger ensureOpen, then true
        when(mockFileHandle.getFileId()).thenReturn(new byte[16]);
        when(mockFileHandle.acquire()).thenReturn(mockFileHandle);

        // Mock for ensureOpen to reopen file

        Configuration responseConfig = (Configuration) configField.get(response);
        assertEquals(mockConfig, responseConfig);

        // Verify response has correct fileId
        assertEquals(testFileId, response.getFileId());

        // Verify response has correct fileName
        assertEquals(testFileName, response.getFileName());
    }

    @Test
    @DisplayName("size should return correct message size")

                }

                if (dh.isSMB2()) {
                    final Smb2SetInfoRequest req = new Smb2SetInfoRequest(dh.getConfig(), dfd.getFileId());
                    req.setFileInformation(new FileBasicInfo(ctime, atime, mtime, 0L, attrs));
                    dh.send(req);
                } else if (dh.hasCapability(SmbConstants.CAP_NT_SMBS)) {

            do {
                r = len > this.readSize ? this.readSize : len;

                if (th.isSMB2()) {
                    final Smb2ReadRequest request = new Smb2ReadRequest(th.getConfig(), fh.getFileId(), b, off);
                    request.setOffset(this.fp);
                    request.setReadLength(r);
                    request.setRemainingBytes(len - off);
                    try {

        when(handle.getTree()).thenReturn(tree);
        when(tree.isSMB2()).thenReturn(true);
        when(tree.getConfig()).thenReturn(mock(Configuration.class));
        when(handle.getFileId()).thenReturn(fileId);
        when(tree.send(any(CommonServerMessageBlockRequest.class), any(), any(), any())).thenReturn(resp);
    }

    // Prepare SMB1 flow with a given response