Object arg = inv.getArgument(0);
            if (arg instanceof Smb2CreateRequest) {
                Smb2CreateRequest create = (Smb2CreateRequest) arg;
                // Initialize response chain so query exists
                create.initResponse(cifsContext);
                Smb2QueryDirectoryRequest q = (Smb2QueryDirectoryRequest) getNextOf(create);

        void testLockSequenceInformation() {
            // Note: lockSequenceNumber and lockSequenceIndex are private and not settable
            // They default to 0, so we test the default encoding
            byte[] buffer = new byte[256];
            request.writeBytesWireFormat(buffer, 0);

            int lockSequence = SMBUtil.readInt4(buffer, 4);

        // Flags (2 bytes) - should be 0 by default
        assertEquals(0, SMBUtil.readInt2(buffer, 2));

        // Reserved (4 bytes) - The implementation skips writing these bytes,
        // so they will have the initial pattern (0xCCCCCCCC)
        // This is expected behavior as seen in the implementation at line 131
        assertEquals((byte) 0xCC, buffer[4]);
        assertEquals((byte) 0xCC, buffer[5]);

    void testDeriveKeys_NullPreauthForSMB300() {
        // Given
        int dialect = Smb2Constants.SMB2_DIALECT_0300;

        // When - SMB 3.0.0 doesn't use preauth integrity, so null should be acceptable
        byte[] signingKey = Smb3KeyDerivation.deriveSigningKey(dialect, sessionKey, null);

        // Then
        assertNotNull(signingKey, "Should handle null preauth for SMB 3.0.0");

     */
    @Test
    @DisplayName("Test toString requires valid configuration")
    public void testToStringRequiresValidConfig() {
        // Constructor with null config throws exception, so we can't test toString with null config
        // Instead, test that toString works with a valid config

        // Given
        smbComTreeDisconnect = new SmbComTreeDisconnect(config);

        // When

        String lang = "en";

        List<AnalyzeToken> tokens = analyzer.analyze(text, field, lang);

        assertNotNull(tokens);
        assertEquals(4, tokens.size()); // Our simple tokenizer splits on '.' so 456.789 becomes 456 and 789
        assertEquals("123", tokens.get(0).getTerm());
        assertEquals("456", tokens.get(1).getTerm());
        assertEquals("0xFF", tokens.get(2).getTerm());

                if (netbiosName != null && tcax.path.endsWith("\\IPC$")) {
                    /* Some pipes may require that the hostname in the tree connect
                     * be the netbios name. So if we have the netbios server name
                     * from the NTLMSSP type 2 message, and the share is IPC$, we
                     * assert that the tree connect path uses the netbios hostname.
                     */

        assertEquals("serializeRule", deserializedRule.getRuleId());
        assertNotNull(deserializedRule.getResponseProcessor());

        // Note: crawlerContainer is transient (marked with @Resource)
        // so it won't be serialized
        assertNull(deserializedRule.crawlerContainer);
    }

    /**
     * Test with null CrawlerContainer
     */
    public void test_nullCrawlerContainer() {

        assertEquals(1, packet.addrEntry.length);
    }

    @Test
    void testReadResourceRecordWireFormat_differentRecordName() {
        byte[] src = new byte[20];
        // No pointer, so mockRecordName will be read
        NameServicePacket.writeInt2(NameServicePacket.A, src, 10); // recordType (assuming name takes 10 bytes)
        NameServicePacket.writeInt2(NameServicePacket.IN, src, 12); // recordClass

    }

    @Test
    @DisplayName("getInput/getOutput return cached streams when open; throw when closed")
    void getInputOutput_caching_and_closed() throws Exception {
        // Arrange: minimal stubs so stream construction works
        SmbPipeHandleImpl handle = newHandleWithBasicStubs(0, "\\\\pipe\\\\foo");
        when(pipe.ensureTreeConnected()).thenReturn(tree);
        when(tree.acquire()).thenReturn(tree);