NullPointerException.class, () -> new UrlSource(null), "Should fail, since you must specify a url");
        assertEquals("url cannot be null", e.getMessage());
    }

    @Test
    void testGetInputStream() throws Exception {
        URL txtFile = new File("target/test-classes/source.txt").toURI().toURL();
        UrlSource source = new UrlSource(txtFile);
        try (InputStream is = source.getInputStream();

    public void test_isAvailable() {
        // Test default implementation
        generator = new TestThumbnailGenerator();
        assertTrue(generator.isAvailable());
    }

    public void test_isTarget() {
        // Test isTarget method
        generator = new TestThumbnailGenerator();
        Map<String, Object> docMap = new HashMap<>();

        // Note: isTarget requires FessConfig which needs container

        ConnectionTimeoutException exception = new ConnectionTimeoutException(message);
        assertEquals(message, exception.getMessage(), "Message should match the provided string");
        assertNull(exception.getCause(), "Cause should be null for string constructor");
    }

    @Test
    void testThrowableConstructor() {
        // Test the constructor with a cause
        Throwable cause = new RuntimeException("Root cause of timeout");

  private static final int SHORT_MASK = (1 << Short.SIZE) - 1; // 2^16 - 1 = 65_535

  @SuppressWarnings("unchecked")
  static final ImmutableMap<Object, Object> EMPTY =
      new RegularImmutableMap<>(null, new Object[0], 0);

  /*
   * This is an implementation of ImmutableMap optimized especially for Android, which does not like

        short level = 1;

        // Act
        queryPolicy = new MsrpcQueryInformationPolicy(mockPolicyHandle, level, mockNdrObject);

        // Assert
        assertSame(mockPolicyHandle, queryPolicy.handle);
    }

    @Test
    void constructor_shouldSetLevelCorrectly() {
        // Arrange
        short level = 7;

        // Act
        queryPolicy = new MsrpcQueryInformationPolicy(mockPolicyHandle, level, mockNdrObject);

  }

  public SafeTreeSet(Comparator<? super E> comparator) {
    this(new TreeSet<E>(comparator));
  }

  public SafeTreeSet(SortedSet<E> set) {
    this(new TreeSet<E>(set));
  }

  private SafeTreeSet(NavigableSet<E> delegate) {
    this.delegate = delegate;
    for (E e : this) {
      checkValid(e);
    }
  }

  @Override
  public boolean add(E element) {

    @Inject
    private ProfileSelector profileSelector;

    private List<String> activatedIds = new ArrayList<>();

    private List<String> deactivatedIds = new ArrayList<>();

    private List<String> defaultIds = new ArrayList<>();

    private Map<String, Profile> profilesById = new LinkedHashMap<>();

    private Properties requestProperties;

    /**

    @Mock
    Configuration mockCfg;

    // Provides a fresh handler instance for tests
    private Handler newHandler() {
        return new Handler();
    }

    // Provides a handler wired with a mocked CIFSContext
    private Handler newHandlerWith(CIFSContext ctx) {
        return new Handler(ctx);
    }

    @Test
    @DisplayName("getDefaultPort returns SMB default port")
    void testGetDefaultPort() {

            final T o = items[index];
            index++;
            return o;
        } catch (final IndexOutOfBoundsException e) {
            throw new NoSuchElementException("index=" + index);
        }
    }

    @Override
    public void remove() {
        throw new ClUnsupportedOperationException("remove");
    }

class SecurityBlob {

    private byte[] b = {};

    SecurityBlob() {
    }

    SecurityBlob(final byte[] b) {
        set(b);
    }

    void set(final byte[] b) {
        this.b = b == null ? new byte[0] : b;
    }

    byte[] get() {
        return this.b;
    }

    int length() {
        if (this.b == null) {
            return 0;
        }
        return this.b.length;
    }