// Verify that default file ID is set
        byte[] expectedFileId = Smb2Constants.UNSPECIFIED_FILEID;
        Field fileIdField;
        try {
            fileIdField = Smb2QueryInfoRequest.class.getDeclaredField("fileId");
            fileIdField.setAccessible(true);
            byte[] actualFileId = (byte[]) fileIdField.get(request);
            assertArrayEquals(expectedFileId, actualFileId);

    private void setupSmb2(NotifyResponse resp, byte[] fileId) throws Exception {
        when(handle.isValid()).thenReturn(true);
        when(handle.getTree()).thenReturn(tree);
        when(tree.isSMB2()).thenReturn(true);
        when(tree.getConfig()).thenReturn(mock(Configuration.class));
        when(handle.getFileId()).thenReturn(fileId);

    }

    @Nested
    @DisplayName("Constructor Tests")
    class ConstructorTests {

        @Test
        @DisplayName("Constructor should initialize with config, fileId and fileName")
        void testConstructorWithAllParameters() {
            // When
            Smb2CloseResponse closeResponse = new Smb2CloseResponse(mockConfig, testFileId, testFileName);

            // Then

                this.fileId != null ? Hexdump.toHexString(this.fileId) : this.fid, this.tree_num, this.flags, this.access, this.attrs,
                this.options);
    }

    /**
     * {@inheritDoc}
     *
     * @see java.lang.Object#hashCode()
     */
    @Override
    public int hashCode() {
        if (this.fileId != null) {

    }

    /**
     * Add a durable handle reconnect context to this request
     * @param fileId the 16-byte file ID from the previous open
     */
    public void addDurableHandleReconnectContext(byte[] fileId) {
        addCreateContext(new jcifs.internal.smb2.persistent.DurableHandleReconnect(fileId));
    }

    /**
     * Check if this request has durable handle contexts

        Smb2IoctlRequest request = new Smb2IoctlRequest(mockConfig, TEST_CONTROL_CODE);
        byte[] newFileId = new byte[16];
        Arrays.fill(newFileId, (byte) 0x55);

        request.setFileId(newFileId);
        // FileId is set internally
        assertNotNull(request);
    }

    @Test
    @DisplayName("Test createResponse method")
    void testCreateResponse() {

        DirFileEntryEnumIterator2 it = new DirFileEntryEnumIterator2(tree, parent, "*", null, 0);

        // Assert: enumeration is empty and close produced no extra close call (no fileId opened)
        assertFalse(it.hasNext(), "Empty listing should produce no elements");
        it.close();
        // No close should be sent because directory was never successfully opened

        void testChannelRdmaV1Invalidate() {
            assertEquals(0x2, Smb2ReadRequest.SMB2_CHANNEL_RDMA_V1_INVALIDATE);
        }
    }

    @Nested
    @DisplayName("FileId Tests")
    class FileIdTests {

        @Test
        @DisplayName("Should set file ID correctly")
        void testSetFileId() {
            byte[] newFileId = new byte[16];

            assertTrue(result.contains("fileId=" + Hexdump.toHexString(fileId)));
            assertTrue(result.endsWith("]"));
        }

        @Test
        @DisplayName("Should handle null fileId in toString")
        void testToStringWithNullFileId() throws Exception {
            // Set oplockLevel but leave fileId as null

                    }
                    break;
                }

                if (nextHead != null) {
                    // prepare remaining
                    // (e.g. set session/tree/fileid returned by the previous requests)
                    resp.prepare(nextHead);
                }
                curHead = nextHead;
            } finally {