new byte[] {
                (byte) 0xef, (byte) 0xcd, (byte) 0xab, (byte) 0x89,
                (byte) 0x67, (byte) 0x45, (byte) 0x23, (byte) 0x01
              },
              0x89abcdef,
              0x0123456789abcdefL,
              "efcdab8967452301"),
          new ExpectedHashCode(
              new byte[] {
                (byte) 0xef, (byte) 0xcd, (byte) 0xab, (byte) 0x89,

    @Test
    @DisplayName("Test FileInformation constants match SMB protocol values")
    void testFileInformationConstantsMatchProtocol() {
        // These values are defined in MS-FSCC specification
        assertEquals(0x04, FileInformation.FILE_BASIC_INFO);
        assertEquals(0x05, FileInformation.FILE_STANDARD_INFO);
        assertEquals(0x06, FileInformation.FILE_INTERNAL_INFO);
        assertEquals(10, FileInformation.FILE_RENAME_INFO);

        buffer[26] = 0x02;
        buffer[27] = 0x00;

        // UID (2 bytes)
        buffer[28] = 0x03;
        buffer[29] = 0x00;

        // MID (2 bytes)
        buffer[30] = 0x04;
        buffer[31] = 0x00;

        // Word count
        buffer[32] = 10; // 10 words = 20 bytes

        // Parameter words for transaction response
        // Total parameter count (2 bytes)

            assertEquals(0x01, ServerMessageBlock2.SMB2_SESSION_SETUP);
            assertEquals(0x02, ServerMessageBlock2.SMB2_LOGOFF);
            assertEquals(0x03, ServerMessageBlock2.SMB2_TREE_CONNECT);
            assertEquals(0x04, ServerMessageBlock2.SMB2_TREE_DISCONNECT);
            assertEquals(0x05, ServerMessageBlock2.SMB2_CREATE);
            assertEquals(0x06, ServerMessageBlock2.SMB2_CLOSE);

    void testWithVariousAttributeFlags() {
        // Test common file attribute combinations
        int[] attributeFlags = { 0x01, // FILE_ATTRIBUTE_READONLY
                0x02, // FILE_ATTRIBUTE_HIDDEN
                0x04, // FILE_ATTRIBUTE_SYSTEM
                0x10, // FILE_ATTRIBUTE_DIRECTORY
                0x20, // FILE_ATTRIBUTE_ARCHIVE
                0x80, // FILE_ATTRIBUTE_NORMAL
                0x100, // FILE_ATTRIBUTE_TEMPORARY

    /** Inheritance flag: child containers inherit this ACE */
    public static final int FLAGS_CONTAINER_INHERIT = 0x02;
    /** Inheritance flag: inheritance stops after one level */
    public static final int FLAGS_NO_PROPAGATE = 0x04;
    /** Inheritance flag: ACE applies only to children, not to the object itself */
    public static final int FLAGS_INHERIT_ONLY = 0x08;
    /** Inheritance flag: ACE was inherited from parent */

        int namedPipeState = 0x03; // NP_NOWAIT | NP_READMODE_MESSAGE
        int readDataAvailable = 100;
        int numberOfMessages = 2;
        int messageLength = 50;
        byte[] testData = { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08 };

        // Write values to buffer
        SMBUtil.writeInt4(namedPipeState, buffer, bufferIndex);
        SMBUtil.writeInt4(readDataAvailable, buffer, bufferIndex + 4);

        // Random but realistic GUID
        byte[] testGuid = { (byte) 0x01, (byte) 0x23, (byte) 0x45, (byte) 0x67, (byte) 0x89, (byte) 0xAB, (byte) 0xCD, (byte) 0xEF,
                (byte) 0xFE, (byte) 0xDC, (byte) 0xBA, (byte) 0x98, (byte) 0x76, (byte) 0x54, (byte) 0x32, (byte) 0x10 };

        // Security mode with signing required

                Arguments.of(0xFF00, (byte) 0x00, (byte) 0xFF), Arguments.of(0xFFFF, (byte) 0xFF, (byte) 0xFF),
                Arguments.of(0x1234, (byte) 0x34, (byte) 0x12));
    }

    @Test
    @DisplayName("readSetupWireFormat should return 0")
    void testReadSetupWireFormat() {
        // Arrange

    }

    @Test
    @DisplayName("Test setCommand with various SMB command codes")
    void testSetCommandWithVariousCodes() {
        // Test common SMB command codes
        int[] commandCodes = { 0x00, 0x72, 0x73, 0x74, 0x75, 0xFF };

        for (int command : commandCodes) {
            doNothing().when(messageBlock).setCommand(command);
            when(messageBlock.getCommand()).thenReturn(command);