/**
     * Build a minimal SMB2 header for a response.
     */
    private static byte[] buildSmb2Header() {
        byte[] header = Arrays.copyOf(SMBUtil.SMB2_HEADER, SMBUtil.SMB2_HEADER.length);
        // Mark as server->client response for realism
        SMBUtil.writeInt4(0x00000001, header, 16); // Flags
        // Command SMB2_CREATE (0x0005)
        SMBUtil.writeInt2(0x0005, header, 12);
        // Some message id

    public void destroy() throws DestroyFailedException {
        if (!destroyed) {
            boolean failedToDestroy = false;
            Exception destroyException = null;

            try {
                // Mark as destroyed first to prevent further operations
                destroyed = true;

                // Try to destroy master key if it implements Destroyable
                if (masterKey instanceof Destroyable) {

            concreteImplementation.setCacheMap(cacheMap);

            // Should not throw
            assertDoesNotThrow(() -> concreteImplementation.replaceCache());

            // Map should remain empty
            assertTrue(cacheMap.isEmpty());
        }

        @Test
        @DisplayName("Should handle replace without map")
        void testReplaceCacheWithoutMap() {

     */
    public void handleFailure(ChannelInfo failedChannel, Exception error) {
        log.warn("Channel {} failed: {}", failedChannel.getChannelId(), error.getMessage());

        // Mark channel as failed
        failedChannel.setState(ChannelState.FAILED);

        // Get or create failover state
        FailoverState state = failoverStates.computeIfAbsent(failedChannel.getChannelId(), FailoverState::new);

     */
    protected boolean isValid(final InputStream in, final boolean recursive) {
        final BufferedInputStream bis = new BufferedInputStream(in);
        bis.mark(preloadSize);

        final byte[] bytes = new byte[preloadSize];
        try {
            if (bis.read(bytes) == -1) {
                return false;
            }

        assertEquals("MOCKNAME", name.name);
        assertEquals(0x20, name.hexCode);
        assertEquals("mock.scope", name.scope);
        assertEquals(0, name.srcHashCode); // Should remain 0
    }

    @Test
    void readWireFormat_withNonSpacePaddingCharacters_shouldPreserveLength() {
        // Test that non-space characters in padding are preserved in length calculation

            // Write response (echo responses don't write data)
            int bytesWritten = echoResponse.writeBytesWireFormat(buffer, 0);
            assertEquals(0, bytesWritten);

            // Mark as received
            echoResponse.received();
            assertTrue(echoResponse.isReceived());
            assertFalse(echoResponse.isError());
        }

        @Test

    }

    public void test_setSessionId_same() throws Exception {
        final String originalSessionId = crawler.getSessionId();

        crawler.setSessionId(originalSessionId);

        // Should remain the same
        assertEquals(originalSessionId, crawler.getSessionId());
    }

    public void test_addIncludeFilter() throws Exception {
        crawler.addIncludeFilter("http://example\\.com/.*");

                        currentDirectiveList.add(currentDirective);
                        continue;
                    }

                    // Mark that we've seen group-member records
                    isGroupRecordStarted = true;

                    // Try to parse as Disallow directive
                    value = getValue(DISALLOW_RECORD, line);

            @Override
            int readHeaderWireFormat(byte[] buffer, int bufferIndex) {
                return 33;
            }
        };
        // Set command to NT_CREATE_ANDX and mark extended
        resp.command = ServerMessageBlock.SMB_COM_NT_CREATE_ANDX;
        resp.isExtended = true;

        byte[] buf = new byte[256];
        buf[33] = 34; // baseline wordCount reported by server