request = new Smb2SetInfoRequest(mockConfig);

        // Set all fields
        byte[] newFileId = new byte[16];
        for (int i = 0; i < 16; i++) {
            newFileId[i] = (byte) (0xFF - i);
        }
        request.setFileId(newFileId);
        request.setInfoType((byte) 0x02);
        request.setFileInfoClass((byte) 0x08);
        request.setAdditionalInformation(0xABCDEF00);

        setByteCount(response, byteCountValue);
        byte[] buffer = new byte[byteCountValue];
        byte[] guid = new byte[16];
        for (int i = 0; i < 16; i++) {
            guid[i] = (byte) i;
        }
        System.arraycopy(guid, 0, buffer, 0, 16);
        byte[] token = new byte[10];
        for (int i = 0; i < 10; i++) {
            token[i] = (byte) (i + 16);
        }

        byte[] a = new byte[1];
        byte[] c = new byte[2];
        byte[] d = new byte[4];

        impl.releaseBuffer(a); // goes to slot 0
        impl.releaseBuffer(c); // goes to slot 1
        impl.releaseBuffer(d); // dropped (cache full)

        byte[] first = impl.getBuffer(); // should return slot 0 -> a
        byte[] second = impl.getBuffer(); // then slot 1 -> c

    void testEncode() {
        byte[] buffer = new byte[1024];
        int length = response.encode(buffer, 0);
        assertTrue(length >= 0);
    }

    @Test
    @DisplayName("Test decode operation")
    void testDecode() {
        byte[] buffer = new byte[1024];
        // Fill with basic SMB header structure
        System.arraycopy(new byte[] { (byte) 0xFF, 'S', 'M', 'B' }, 0, buffer, 0, 4);

        }

        @Test
        @DisplayName("Should decode at different buffer offset")
        void testDecodeWithOffset() throws SMBProtocolDecodingException {
            byte[] buffer = new byte[256];
            int offset = 100;
            byte[] responseData = createValidCopyChunkResponse(10, 131072, 1310720);
            System.arraycopy(responseData, 0, buffer, offset, responseData.length);

        void testReadBytesWireFormatNegativeAsUnsigned() {
            // Given
            byte[] buffer = new byte[10];
            // Write -1 which will be read as 65535 unsigned
            buffer[0] = (byte) 0xFF;
            buffer[1] = (byte) 0xFF;

            // When & Then
            SMBProtocolDecodingException exception =

        assertEquals(1, response.setupCount);
    }

    // Helper method to write a 4-byte integer to a byte array.
    private void writeInt4(int val, byte[] dst, int dstIndex) {
        dst[dstIndex] = (byte) val;
        dst[dstIndex + 1] = (byte) (val >> 8);
        dst[dstIndex + 2] = (byte) (val >> 16);
        dst[dstIndex + 3] = (byte) (val >> 24);
    }

    private static final int BLOCK_LENGTH = 64;

    private static final byte IPAD = (byte) 0x36;

    private static final byte OPAD = (byte) 0x5c;

    private final MessageDigest md5;

    private byte[] ipad = new byte[BLOCK_LENGTH];

    private byte[] opad = new byte[BLOCK_LENGTH];

    /**
     * Creates an HMACT64 instance which uses the given secret key material.
     *

    private static final int BLOCK_LENGTH = 64;

    private static final byte IPAD = (byte) 0x36;

    private static final byte OPAD = (byte) 0x5c;

    private MessageDigest md5;

    private byte[] ipad = new byte[BLOCK_LENGTH];

    private byte[] opad = new byte[BLOCK_LENGTH];

    /**
     * Creates an HMACT64 instance which uses the given secret key material.
     *

        assertTrue(result.contains("dataOffset=54"));
    }

    // Helper method to write a 2-byte integer to a byte array
    private void writeInt2(int val, byte[] dst, int dstIndex) {
        dst[dstIndex] = (byte) val;
        dst[dstIndex + 1] = (byte) (val >> 8);
    }