byte[] testContext =
                    new byte[] { (byte) 0x11, (byte) 0x22, (byte) 0x33, (byte) 0x44, (byte) 0x55, (byte) 0x66, (byte) 0x77, (byte) 0x88 };
            message.setContext(testContext);
            byte[] testTargetInfo = new byte[] { 0x10, 0x20, 0x30 };
            message.setTargetInformation(testTargetInfo);

            // When

        request.writeBytesWireFormat(buffer, 0);

        // Then
        int readFilter = SMBUtil.readInt4(buffer, 24);
        assertEquals(combinedFilter, readFilter);
        assertEquals(0x1F, readFilter); // 1 + 2 + 4 + 8 + 16 = 31 = 0x1F
    }

    @Test
    @DisplayName("Should handle all file change notifications")
    void testAllFileChangeNotifications() {
        // Given - all possible filters

        // Little-endian 0x1234 -> 0x34 0x12
        byte[] data = new byte[] { 0x34, 0x12, 0x00, 0x00 };
        PacDataInputStream pdis = createInputStream(data);
        assertEquals((short) 0x1234, pdis.readShort());
    }

    @Test
    public void testReadInt() throws IOException {
        // Little-endian 0x12345678 -> 0x78 0x56 0x34 0x12
        byte[] data = new byte[] { 0x78, 0x56, 0x34, 0x12 };

        assertEquals((byte) 0x00, dst[11]);
    }

    @Test
    void testReadInt2() {
        byte[] src = new byte[] { (byte) 0x34, (byte) 0x12, // 0x1234
                (byte) 0xFF, (byte) 0xFF, // 0xFFFF
                (byte) 0x00, (byte) 0x00, // 0x0000
                (byte) 0xCD, (byte) 0xAB // 0xABCD
        };

        assertEquals(0x1234, SMBUtil.readInt2(src, 0));
        assertEquals(0xFFFF, SMBUtil.readInt2(src, 2));

     * RPC message for getting information about a specific share.
     */
    public static class ShareGetInfo extends DcerpcMessage {

        @Override
        public int getOpnum() {
            return 0x10;
        }

        /**
         * The return value of the operation.
         */
        public int retval;
        /**
         * The name of the server.
         */

    @BeforeEach
    void setUp() {
        MockitoAnnotations.openMocks(this);
        testMacSigningKey = new byte[] { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x10 };
    }

    @Test
    @DisplayName("Test constructor with MAC signing key and bypass flag")
    void testConstructorWithBypass() {

        SMBUtil.writeInt2(0x20, ctx, ci + 2); // DataOffset
        ci += 4;
        SMBUtil.writeInt4(8, ctx, ci); // DataLength
        ci += 4;
        // Name bytes at 0x10
        byte[] name = new byte[] { 'T', 'E', 'S', 'T' };
        System.arraycopy(name, 0, ctx, 0x10, name.length);
        // Data bytes at 0x20
        byte[] data = new byte[] { 1, 2, 3, 4, 5, 6, 7, 8 };
        System.arraycopy(data, 0, ctx, 0x20, data.length);

            uuid.time_mid = (short) 0x9ABC;
            uuid.time_hi_and_version = (short) 0xDEF0;
            uuid.clock_seq_hi_and_reserved = (byte) 0x11;
            uuid.clock_seq_low = (byte) 0x22;
            uuid.node = new byte[] { (byte) 0xAA, (byte) 0xBB, (byte) 0xCC, (byte) 0xDD, (byte) 0xEE, (byte) 0xFF };

            // Mock the derive method to return a buffer for node encoding

        assertEquals((byte) 0xAB, dst[4]);
        assertEquals((byte) 0xCD, dst[5]);
    }

    @Test
    @DisplayName("writeInt4 should correctly write 32-bit integer")
    void testWriteInt4() {
        byte[] dst = new byte[8];
        SessionServicePacket.writeInt4(0x12345678, dst, 0);

        assertEquals((byte) 0x12, dst[0]);
        assertEquals((byte) 0x34, dst[1]);
        assertEquals((byte) 0x56, dst[2]);

        byte[] wireData = new byte[] { 0x10, 0x00, // StructureSize (must be 16)
                0x01, // ShareType (DISK)
                0x00, // Reserved
                0x01, 0x00, 0x00, 0x00, // ShareFlags
                0x08, 0x00, 0x00, 0x00, // Capabilities
                (byte) 0xFF, 0x01, 0x1F, 0x00 // MaximalAccess
        };

        // When