// Mock the stream directly
        SmbPipeInputStream mockIn = mock(SmbPipeInputStream.class);

        // Create spy and override getInput
        SmbPipeHandleImpl spyHandle = spy(handle);
        doReturn(mockIn).when(spyHandle).getInput();

        when(mockIn.readDirect(any(byte[].class), anyInt(), anyInt())).thenReturn(5);

        byte[] b = new byte[10];

    }

    @Test
    @DisplayName("Close delegates to underlying stream")
    void closeDelegatesToUnderlyingStream(@Mock InputStream mockIn) throws IOException {
        SocketInputStream sis = new SocketInputStream(mockIn);
        sis.close();
        verify(mockIn).close();
    }

    @Test
    @DisplayName("Read array delegates to read with offset and length")

    /*
     * TODO(cpovirk): move ForwardingTestCase somewhere common, and use it to
     * test the forwarded methods
     */
  }

  @AndroidIncompatible // Mocking ExecutorService is forbidden there. TODO(b/218700094): Don't mock.
  public void testListeningDecorator_noWrapExecuteTask() {
    ExecutorService delegate = mock(ExecutorService.class);

    /*
     * TODO(cpovirk): move ForwardingTestCase somewhere common, and use it to
     * test the forwarded methods
     */
  }

  @AndroidIncompatible // Mocking ExecutorService is forbidden there. TODO(b/218700094): Don't mock.
  public void testListeningDecorator_noWrapExecuteTask() {
    ExecutorService delegate = mock(ExecutorService.class);

    /**
     * Sets up the mocks and the NtlmHttpURLConnection instance before each test.
     * @throws IOException
     */
    @BeforeEach
    void setUp() throws IOException {
        // Create a real URL instead of mocking to avoid protocol issues
        mockUrl = new URL("http://test.example.com/path");

        // Basic setup for mocks to avoid NullPointerExceptions
        when(mockConnection.getURL()).thenReturn(mockUrl);

 *
 * <ul>
 *   <li>for an unnested {@code lock()} and {@code unlock()}, a cycle detecting lock takes 38ns as
 *       opposed to the 24ns taken by a plain lock.
 *   <li>for nested locking, the cost increases with the depth of the nesting:
 *       <ul>
 *         <li>2 levels: average of 64ns per lock()/unlock()
 *         <li>3 levels: average of 77ns per lock()/unlock()

* «the headers» (plural): «die Header»
* «in headers» (plural): «in Headern»
* «the forwarded header»: «der Forwarded-Header»
* «the lifespan event»: «das Lifespan-Event»
* «the lock»: «der Lock»
* «the locking»: «das Locking»
* «the mobile application»: «die Mobile-Anwendung»
* «the model object»: «das Modellobjekt»
* «the mounting»: «das Mounten»
* «mounted»: «gemountet»
* «the origin»: «das Origin»

        }
        if (offset + SIGNATURE_OFFSET + SIGNATURE_LENGTH > data.length) {
            throw new IllegalArgumentException("Signature field exceeds data buffer size");
        }

        // Use fine-grained locking for better concurrency
        this.signingLock.lock();
        try {
            if (this.closed) {
                throw new IllegalStateException("SigningDigest is closed");
            }

    @ParametricNullness
    // We set the field only once (during construction or deserialization).
    @SuppressWarnings("SynchronizeOnNonFinalField")
    public T get() {
      // A 2-field variant of Double Checked Locking.
      if (!initialized) {
        synchronized (lock) {
          if (!initialized) {
            T t = delegate.get();
            value = t;
            initialized = true;
            return t;

   * </ul>
   *
   * A specific warning about locking: Code that executes user-supplied tasks, such as {@code
   * ListenableFuture} listeners, should take care not to do so while holding a lock. Additionally,
   * as a further line of defense, prefer not to perform any locking inside a task that will be run