// Given
        byte[] buffer = new byte[256];

        // Write exact structure size value (4)
        buffer[0] = 0x04;
        buffer[1] = 0x00;
        buffer[2] = 0x00;
        buffer[3] = 0x00;

        // When
        int bytesRead = response.readBytesWireFormat(buffer, 0);

        // Then
        assertEquals(4, bytesRead);
    }

        return 0;
    }

    @Override
    int writeBytesWireFormat(final byte[] dst, int dstIndex) {
        final int start = dstIndex;

        dst[dstIndex] = (byte) 0x04;
        dstIndex++;
        dstIndex += writeString(path, dst, dstIndex);

        return dstIndex - start;
    }

    @Override
    int readParameterWordsWireFormat(final byte[] buffer, final int bufferIndex) {

        // Expected format: buffer format (1 byte) + file name (null-terminated)
        int expectedLength = 1 + TEST_FILE_NAME.length() + 1;
        assertEquals(expectedLength, bytesWritten);
        assertEquals(0x04, dst[0]); // Buffer format
        assertEquals(TEST_FILE_NAME, new String(dst, 1, TEST_FILE_NAME.length()));
    }

    @Test
    public void testReadParameterWordsWireFormat() {

    // flags (not the same as flags constructor argument)
    static final int FLAGS_RETURN_ADDITIONAL_INFO = 0x01;
    static final int FLAGS_REQUEST_OPLOCK = 0x02;
    static final int FLAGS_REQUEST_BATCH_OPLOCK = 0x04;

    // Access Mode Encoding for desiredAccess
    static final int SHARING_COMPATIBILITY = 0x00;
    static final int SHARING_DENY_READ_WRITE_EXECUTE = 0x10;
    static final int SHARING_DENY_WRITE = 0x20;

        return 0;
    }

    @Override
    int writeBytesWireFormat(final byte[] dst, int dstIndex) {
        final int start = dstIndex;

        dst[dstIndex] = (byte) 0x04;
        dstIndex++;
        dstIndex += writeString(path, dst, dstIndex);

        return dstIndex - start;
    }

    @Override
    int readParameterWordsWireFormat(final byte[] buffer, final int bufferIndex) {

        return 0;
    }

    @Override
    protected int writeBytesWireFormat(final byte[] dst, int dstIndex) {
        final int start = dstIndex;
        dst[dstIndex] = (byte) 0x04;
        dstIndex++;
        dstIndex += writeString(this.path, dst, dstIndex);
        return dstIndex - start;
    }

    @Override

    private CommonServerMessageBlock message;

    private byte[] testData;

    @BeforeEach
    void setUp() {
        MockitoAnnotations.openMocks(this);
        testData = new byte[] { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08 };
    }

    @Test
    @DisplayName("Test sign method with valid parameters")
    void testSignWithValidParameters() {
        // Arrange
        int offset = 0;

    void testSetFlagFalse() {
        msg.setFlag(0x4, true);
        msg.setFlag(0x4, false);
        assertFalse(msg.getFlag(0x4), "Bit should be cleared after setFlag(false)");
    }

    // ---------------- Static read tests -----------------
    @Test
    @DisplayName("readULong correctly interprets little endian")
    void testReadULong() {
        byte[] a = new byte[] { (byte) 0x01, (byte) 0x02, (byte) 0x03, (byte) 0x04 };

        buffer[38] = 0x00;

        // Parameter count (2 bytes)
        buffer[39] = 0x00;
        buffer[40] = 0x00;

        // Parameter offset (2 bytes)
        buffer[41] = 0x00;
        buffer[42] = 0x00;

        // Parameter displacement (2 bytes)
        buffer[43] = 0x00;
        buffer[44] = 0x00;

        // Data count (2 bytes)
        buffer[45] = 0x00;
        buffer[46] = 0x00;

        ndrBuffer.setIndex(10);
        byte[] partialData = { 0x05, 0x06, 0x07, 0x08, 0x09 };
        ndrBuffer.writeOctetArray(partialData, 1, 3); // Write 0x06, 0x07, 0x08

        assertEquals(13, ndrBuffer.getIndex());
        assertEquals(13, ndrBuffer.getLength());
        assertEquals(0x06, buffer[10]);
        assertEquals(0x07, buffer[11]);
        assertEquals(0x08, buffer[12]);
    }

    @Test