} while (len > 0 && n == r);

        return (int) (fp - start);
    }

    /**
     * This stream class is unbuffered. Therefore this method will always
     * return 0 for streams connected to regular files. However, a
     * stream created from a Named Pipe this method will query the server using a
     * "peek named pipe" operation and return the number of available bytes
     * on the server.
     */
    @Override

    }

    @Override
    public String toString() {
        return "KuromojiFile [path=" + path + ", kuromojiItemList=" + kuromojiItemList + ", id=" + id + "]";
    }

    /**
     * An updater for Kuromoji files.
     */
    protected class KuromojiUpdater implements Closeable {

        /** True if the changes have been committed. */
        protected boolean isCommit = false;

        /** The new file. */

        assertEquals(TEST_RESUME_KEY, SMBUtil.readInt4(buffer, 6));

        // Empty filename should result in minimal bytes written
        assertTrue(written >= 12); // At least the fixed parameters
    }

    @Test
    void testInformationLevelConstant() {
        // Verify the information level is set correctly

    }

    // Helper: build an error body (without header) with structureSize=9
    private static byte[] buildErrorBody(int errorContextCount, int bc, byte[] errorData) {
        int bodyLen = 8 + bc; // 8 bytes fixed + variable data
        byte[] buf = new byte[bodyLen];
        SMBUtil.writeInt2(9, buf, 0); // structureSize
        buf[2] = (byte) errorContextCount; // ErrorContextCount
        // one reserved byte at position 3

    //                                                                           =========
    // keeping parsed request parameters, normal texts or uploaded files
    // keys are requested parameter names (treated as field name here)
    protected Map<String, Object> elementsAll; // lazy-loaded, then after not null
    protected Map<String, MultipartFormFile> elementsFile; // me too

 * <ul>
 *   <li>Automatic initialization of AWS S3 client</li>
 *   <li>Support for HEAD and GET operations</li>
 *   <li>Content length validation</li>
 *   <li>MIME type detection</li>
 *   <li>Handling of large files through temporary file storage</li>
 *   <li>Object metadata and tags retrieval</li>
 *   <li>Directory listing capabilities</li>
 * </ul>
 *

        super.setUp();
    }

    @Override
    public void tearDown() throws Exception {
        super.tearDown();
        // close runner
        runner.close();
        // delete all files
        runner.clean();
    }

    public void test_insert_update_deleteTx() {
        final OpenSearchUrlQueue urlQueue = new OpenSearchUrlQueue();
        urlQueue.setCreateTime(System.currentTimeMillis());

    void testDecodeBasicNoAndx() {
        DummyAndXBlock block = new DummyAndXBlock() {
            @Override
            int readHeaderWireFormat(byte[] buffer, int bufferIndex) {
                // Simulate fixed-size header parsing
                return 33;
            }
        };

        byte[] buf = new byte[128];
        // After header at 0..32
        buf[33] = 4; // wordCount

            assertEquals(0x12345, req.getMinCount(), "minCount should remain original full value");
        }

        @Test
        @DisplayName("Named pipe request uses fixed 1024 hints")
        void namedPipeRequestHints() throws Exception {
            when(mockTree.isSMB2()).thenReturn(false);
            when(mockFile.getType()).thenReturn(SmbConstants.TYPE_NAMED_PIPE);

     */
    private byte[] createValidNegotiateResponseBuffer() {
        byte[] buffer = createBasicNegotiateResponseBuffer();

        // Add a small security buffer at a safe offset (after the fixed structure)
        SMBUtil.writeInt2(64, buffer, 56); // Security buffer offset (relative to header start)
        SMBUtil.writeInt2(8, buffer, 58); // Security buffer length