executorService =
        new ThreadPoolExecutor(
            NUM_THREADS,
            NUM_THREADS,
            Long.MAX_VALUE,
            SECONDS,
            new ArrayBlockingQueue<Runnable>(1000));
    executorService.prestartAllCoreThreads();
    AtomicInteger integer = new AtomicInteger();
    // Execute a bunch of tasks to ensure that our threads are allocated and hot

        SmbFileHandleImpl h1 = new SmbFileHandleImpl(cfg, fidBytes, tree, "//u/one", 0x10, 0x20, 0x30, 0x40, 0L);
        String s1 = h1.toString();
        assertTrue(s1.contains("//u/one"));
        assertTrue(s1.contains("0102"), "Expected hex fileId in string");

        SmbFileHandleImpl h2 = new SmbFileHandleImpl(cfg, 77, tree, "//u/two", -1, -2, -3, -4, 0L);
        String s2 = h2.toString();
        assertTrue(s2.contains("//u/two"));

    /**
     * Test isSearchField() performance with large field set.
     */
    @Test
    public void test_isSearchField_performance() {
        // Create a large set of search fields
        int fieldCount = 1000;
        String[] fields = new String[fieldCount];
        for (int i = 0; i < fieldCount; i++) {
            fields[i] = "field" + i;
        }
        queryFieldConfig.setSearchFields(fields);

        assertSame(specificHandle, handleField.get(lookupSids));
    }

    @Test
    void constructor_shouldHandleLargeSidArray() {
        // Arrange
        int largeSize = 1000;
        testSids = new jcifs.SID[largeSize];
        for (int i = 0; i < largeSize; i++) {
            testSids[i] = mock(jcifs.SID.class);
            when(testSids[i].unwrap(sid_t.class)).thenReturn(mockSidT);

        // Arrange
        transPeekNamedPipe = new TransPeekNamedPipe(mockConfig, TEST_PIPE_NAME, TEST_FID);
        byte[] smallBuffer = new byte[1];
        byte[] largeBuffer = new byte[1000];

        // Act & Assert
        assertEquals(0, transPeekNamedPipe.readSetupWireFormat(smallBuffer, 0, 1));
        assertEquals(0, transPeekNamedPipe.readSetupWireFormat(largeBuffer, 500, 500));

        trans2FindNext2 = new Trans2FindNext2(config, TEST_SID, TEST_RESUME_KEY, TEST_FILENAME, TEST_BATCH_COUNT, TEST_BATCH_SIZE);

        for (int i = 1; i <= 5; i++) {
            int newResumeKey = i * 1000;
            String newFilename = "file" + i + ".txt";

            trans2FindNext2.reset(newResumeKey, newFilename);

            byte[] buffer = new byte[256];

        long endTime = System.currentTimeMillis();
        long duration = endTime - startTime;

        // Then - should complete quickly (this is more of a performance indicator)
        assertTrue(duration < 1000, "Creating and using 10000 EmptyIterators should be fast (took " + duration + "ms)");
    }

    @Test
    @DisplayName("EmptyIterator should work correctly in nested iteration")
    void testNestedIteration() {

        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        DataOutputStream dos = new DataOutputStream(baos);

        // Write a RID (4 bytes) for readId() method
        writeLittleEndianInt(dos, 1000);

        ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
        PacDataInputStream pacStream = new PacDataInputStream(bais);

        SID id = pacStream.readId();

        final Map<String, Object> searchBody = new HashMap<>();
        searchBody.put("error_count_min", 1);
        searchBody.put("error_count_max", 100);
        searchBody.put("size", 100);

        String response = checkMethodBase(searchBody).get(API_PATH + "/logs").asString();
        List<Map<String, Object>> logs = JsonPath.from(response).getList("response.logs");

    @Test
    public void testLargeThreshold() throws IOException {
        // Test with very large threshold
        ContentOutputStream cos = new ContentOutputStream(1024 * 1024, Curl.tmpDir);
        cos.write(new byte[1000]);
        assertTrue(cos.isInMemory());
        cos.close();
    }

    @Test
    public void testMultipleGetFile() throws IOException {
        // Calling getFile() multiple times should return the same file