NdrBuffer buf = new NdrBuffer(new byte[1024], 0);
        m.encode(buf);
        // decode back
        buf.setIndex(0);
        m.decode_header(buf);
        assertEquals(0, m.ptype);
    }

    @Test
    void testDecodeHeaderInvalidVersion() {
        NdrBuffer buf = new NdrBuffer(new byte[10], 0);
        buf.enc_ndr_small(4); // bad major
        buf.enc_ndr_small(0);
        TestMessage msg = new TestMessage();

        Profile notActivated = new Profile();
        notActivated.setId("notActivated");

        Activation nonActivation = new Activation();

        nonActivation.setJdk("19.2");

        notActivated.setActivation(nonActivation);

        Profile defaultActivated = new Profile();
        defaultActivated.setId("defaultActivated");

        Activation defaultActivation = new Activation();

        final NullPointerException npeCause = new NullPointerException("Null query parameter");
        final IllegalStateException iseCause = new IllegalStateException("Invalid parser state");
        final OutOfMemoryError oomCause = new OutOfMemoryError("Query too large");

        // Execute
        final InvalidQueryException npeException = new InvalidQueryException(messageCode, message, npeCause);

    }

    public void test_register_entitySet() {
        RenderData data = new RenderData();

        BsUser entity1 = new BsUser();
        entity1.setName("name1");

        BsUser entity2 = new BsUser();
        entity2.setName("name2");

        Set<BsUser> entitySet = new HashSet<>();
        entitySet.add(entity1);
        entitySet.add(entity2);

        super.setUp();
        pingSearchEngineJob = new PingSearchEngineJob();
    }

    // Test normal operation with GREEN status and state change
    public void test_execute_greenStatusNoChange() {
        // Setup mock components
        SearchEngineClient searchEngineClient = new SearchEngineClient() {
            @Override
            public PingResponse ping() {

        FsctlPipeWaitRequest request1 = new FsctlPipeWaitRequest(pipeName);
        byte[] buffer1 = new byte[200];
        int encoded1 = request1.encode(buffer1, 0);
        assertEquals(request1.size(), encoded1);

        // Test with timeout
        FsctlPipeWaitRequest request2 = new FsctlPipeWaitRequest(pipeName, 5000L);
        byte[] buffer2 = new byte[200];
        int encoded2 = request2.encode(buffer2, 0);

            // Create and encode
            FileEndOfFileInformation original = new FileEndOfFileInformation(testValue);
            byte[] buffer = new byte[8];
            int encoded = original.encode(buffer, 0);

            assertEquals(8, encoded);

            // Decode into new instance
            FileEndOfFileInformation decoded = new FileEndOfFileInformation();

    static Stream<Arguments> hexCases() {
        return Stream.of(Arguments.of(new byte[] {}, ""), Arguments.of(new byte[] { (byte) 0x00 }, "00"),
                Arguments.of(new byte[] { (byte) 0x0F }, "0f"), Arguments.of(new byte[] { (byte) 0x10 }, "10"),
                Arguments.of(new byte[] { (byte) 0xAB }, "ab"),
                Arguments.of(new byte[] { (byte) 0x7F, (byte) 0x80, (byte) 0xFF }, "7f80ff"));
    }

    @Test
    @DisplayName("Test writeParameterWordsWireFormat writes search attributes correctly")
    public void testWriteParameterWordsWireFormat() {
        // Given
        byte[] dst = new byte[10];
        smbComRename = new SmbComRename(config, "old.txt", "new.txt");
        int dstIndex = 2;

        // When
        int result = smbComRename.writeParameterWordsWireFormat(dst, dstIndex);

        // Then
        assertEquals(2, result);

        // Test with all zeros
        byte[] zeroFileId = new byte[16];
        Smb2CloseRequest zeroRequest = new Smb2CloseRequest(mockConfig, zeroFileId, testFileName);
        testFileIdInRequest(zeroRequest, zeroFileId);

        // Test with all ones
        byte[] onesFileId = new byte[16];
        Arrays.fill(onesFileId, (byte) 0xFF);
        Smb2CloseRequest onesRequest = new Smb2CloseRequest(mockConfig, onesFileId, testFileName);