*
 * <ul>
 *   <li>happy‑path behaviour</li>
 *   <li>boundary arguments (e.g., negative indices, large values)</li>
 *   <li>string representation containing the class name</li>
 *   <li>null buffer handling</li>
 * </ul>
 */
final class TransWaitNamedPipeResponseTest {

    /**
     * Verify that the default constructor creates an instance.
     */
    @Test
    void constructorInitialisesInstance() {

     * @param length length of data to send
     * @throws IOException if an I/O error occurs
     */
    void send(byte[] buf, int off, int length) throws IOException;

    /**
     * Performs a transaction on the pipe.
     *
     * @param buf the buffer containing the transaction data
     * @param off the offset in the buffer
     * @param length the length of data to send

        byte[] buffer = new byte[37]; // 3 reserved + 8*4 bytes for int4 values + 2 bytes for setupCount
        int bufferIndex = 0;

        // Reserved bytes
        buffer[bufferIndex++] = 0x00;
        buffer[bufferIndex++] = 0x00;
        buffer[bufferIndex++] = 0x00;

        // totalParameterCount = 10
        writeInt4(10, buffer, bufferIndex);
        bufferIndex += 4;

        final int zt = zterm ? 1 : 0;

        length = maximum_length = (short) ((len + zt) * 2);
        buffer = new short[len + zt];

        int i;
        for (i = 0; i < len; i++) {
            buffer[i] = (short) str.charAt(i);
        }
        if (zterm) {
            buffer[i] = (short) 0;
        }
    }

    @Override
    public String toString() {

        byte[] buffer = new byte[256];
        int written = trans2FindFirst2.writeParametersWireFormat(buffer, 0);

        assertEquals(0, SMBUtil.readInt2(buffer, 0)); // search attributes
        assertEquals(0, SMBUtil.readInt2(buffer, 2)); // max items
    }

    // Helper method to read string from buffer
    private String readStringFromBuffer(byte[] buffer, int offset, int length) {

    int initialBufferSize = min(BUFFER_SIZE, max(128, Integer.highestOneBit(totalLen) * 2));
    // Starting with an 8k buffer, double the size of each successive buffer. Smaller buffers
    // quadruple in size until they reach 8k, to minimize the number of small reads for longer
    // streams. Buffers are retained in a deque so that there's no copying between buffers while

    mockResponse.headers = headersOf()
    mockResponse.trailers = headersOf()
    mockResponse = mockResponse.removeHeader("")
    var body: Buffer? = mockResponse.getBody()
    mockResponse = mockResponse.setBody(Buffer())
    mockResponse = mockResponse.setChunkedBody(Buffer(), 0)
    mockResponse = mockResponse.setChunkedBody("", 0)
    var socketPolicy: SocketPolicy = mockResponse.socketPolicy

        byte[] buffer = new byte[8];
        int bufferIndex = 0;

        SMBUtil.writeInt2(status, buffer, bufferIndex);
        bufferIndex += 2;
        SMBUtil.writeInt2(0, buffer, bufferIndex);
        bufferIndex += 2;
        SMBUtil.writeInt2(0, buffer, bufferIndex);
        bufferIndex += 2;
        SMBUtil.writeInt2(0, buffer, bufferIndex);

    /**
     * Gets a buffer from the cache or creates a new one if the cache is empty.
     *
     * Performance: O(1) operation using concurrent queue
     *
     * @return a byte buffer for SMB operations
     * @throws IllegalStateException if buffer size exceeds maximum allowed
     */
    static public byte[] getBuffer() {

    @Override
    public int decode(final byte[] buffer, int bufferIndex, final int len) throws SMBProtocolDecodingException {
        final int start = bufferIndex;
        this.namedPipeState = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;
        this.readDataAvailable = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;
        this.numberOfMessages = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;