// Verify that the configuration was queried for notify buffer size
        verify(mockConfig, atLeastOnce()).getNotifyBufferSize();
    }

    @Test
    @DisplayName("Test multiple instances independence")
    void testMultipleInstancesIndependence() {
        NtTransNotifyChange notify1 = new NtTransNotifyChange(mockConfig, 0x1111, FILE_NOTIFY_CHANGE_FILE_NAME, false);

        t2.numThreads = 5;
        t2.url = "smb://server2/share/file.txt";

        // Verify independence
        assertEquals(2, t1.numThreads, "t1 should have its own numThreads value");
        assertEquals(5, t2.numThreads, "t2 should have its own numThreads value");
        assertEquals("smb://server1/share/file.txt", t1.url, "t1 should have its own URL");

        Thread.sleep(500);

        // Now it should be expired
        assertTrue(auth.isExpired());
    }

    /**
     * Test password array independence after construction
     */
    @Test
    @DisplayName("Test password array is truly independent of input")
    public void testPasswordArrayIndependence() {
        char[] originalPassword = "IndependentPass123!".toCharArray();

        for (int i = startIndex + bytesWritten; i < dst.length; i++) {
            assertEquals((byte) (i & 0xFF), dst[i]);
        }
    }

    @Test
    @DisplayName("Test multiple instances independence")
    void testMultipleInstancesIndependence() {
        NtTransQuerySecurityDesc desc1 = new NtTransQuerySecurityDesc(mockConfig, 0x1111, OWNER_SECURITY_INFORMATION);

        assertSame(pooled1.getObject(), pooled2.getObject()); // Same wrapped object
    }

    /**
     * Test factory configuration independence
     */
    public void test_factoryConfigurationIndependence() {
        // Each factory instance has independent configuration
        assertEquals("testComponent", factory.getComponentName());
        assertSame(container, factory.getCrawlerContainer());

        assertFalse(a.equals("not a blob"), "equals(other type) should be false");
    }

    // Ensures clone() returns a deep copy; mutations are independent across instances
    @Test
    @DisplayName("clone: returns deep copy and independent state")
    void clone_returnsDeepCopy() {
        // Arrange
        byte[] data = new byte[] { 10, 20, 30 };
        SecurityBlob original = new SecurityBlob(data);

        assertEquals("16s", builder.timeoutSettings.clusterTimeout);
    }

    @Test
    public void testTimeoutSettingsIndependence() {
        // Test that timeout settings are independent for each builder instance
        SuggestSettingsBuilder builder1 = new SuggestSettingsBuilder();
        SuggestSettingsBuilder builder2 = new SuggestSettingsBuilder();

        builder1.scrollTimeout("10s");

        assertSame(originalKey, serverData.encryptionKey);
    }

    /**
     * Test multiple ServerData instances are independent
     */
    @Test
    @DisplayName("Test multiple instances are independent")
    public void testMultipleInstancesIndependence() {
        // Given
        ServerData serverData1 = new ServerData();
        ServerData serverData2 = new ServerData();

        assertNull(pc.getPassword());
        verify(spyAuth, times(1)).getPasswordAsCharArray();
    }

    @Test
    @DisplayName("clone: copies fields and cached subject; instances are independent")
    void testCloneCopiesFieldsAndIndependence() throws Exception {
        // Use configuration-based constructor to also exercise copying of configuration/service fields

- ✅ Encoding information in TextExtractor errors
- ✅ File type context in MS Office errors
- ✅ Archive type in archive extractor errors

## Testing Best Practices

1. **Isolation**: Each test is independent and doesn't affect others
2. **Clarity**: Test names clearly describe what is being tested
3. **Coverage**: Both success and failure paths are tested
4. **Edge Cases**: Null, empty, and boundary conditions are covered