try {
                circuitBreaker.executeWithCircuitBreaker(() -> {
                    throw new RuntimeException("Test failure");
                });
            } catch (CIFSException e) {
                // Expected
            }
        }

        assertEquals(State.OPEN, circuitBreaker.getState(), "Circuit should be OPEN");

        // Try to execute - should be blocked with CIFSException

        // Create a temporary file with test data
        File tempFile = File.createTempFile("test-", ".tmp");
        try (FileOutputStream fos = new FileOutputStream(tempFile)) {
            fos.write("Test data".getBytes());
        }

        // Read from TemporaryFileInputStream
        try (TemporaryFileInputStream stream = new TemporaryFileInputStream(tempFile)) {
            assertEquals('T', stream.read());

        try (SmbSessionImpl session = getSession()) {
            if (session == null) {
                return;
            }
            try (SmbTransportImpl transport = session.getTransport()) {
                synchronized (transport) {
                    final SmbTreeImpl t = getTreeInternal();
                    if (t != null) {
                        try {

                }
            }
        }

        try (CloseableIterator<SmbResource> it = SmbEnumerationUtil.doEnum(src, "*",
                SmbConstants.ATTR_DIRECTORY | SmbConstants.ATTR_HIDDEN | SmbConstants.ATTR_SYSTEM, null, null)) {
            while (it.hasNext()) {
                try (SmbResource r = it.next()) {

        try {
            handshake();
        } catch (final IOException ex) {}
        return connection.getDate();
    }

    @Override
    public long getLastModified() {
        try {
            handshake();
        } catch (final IOException ex) {}
        return connection.getLastModified();
    }

    @Override
    public String getHeaderField(final String header) {
        try {

        boolean downloaded = false;

        try {
            connectWagon(wagon, repository);

            boolean firstRun = true;
            boolean retry = true;

            // this will run at most twice. The first time, the firstRun flag is turned off, and if the retry flag
            // is set on the first run, it will be turned off and not re-set on the second try. This is because the

    Collection<E> copy = new ArrayList<>();
    copy.addAll(collection);

    try {
      collection.add(sampleElement);
      fail("add succeeded on unmodifiable collection");
    } catch (UnsupportedOperationException expected) {
    }

    assertCollectionsAreEquivalent(copy, collection);

    try {
      collection.addAll(siblingCollection);
      fail("addAll succeeded on unmodifiable collection");

  @J2ktIncompatible
  @GwtIncompatible // concurrency
  public static void awaitUninterruptibly(CountDownLatch latch) {
    boolean interrupted = false;
    try {
      while (true) {
        try {
          latch.await();
          return;
        } catch (InterruptedException e) {
          interrupted = true;
        }
      }
    } finally {
      if (interrupted) {

    private void loadPersistedHandles() {
        if (!Files.exists(stateDirectory)) {
            return;
        }

        try (DirectoryStream<Path> stream = Files.newDirectoryStream(stateDirectory, "*.handle")) {
            for (Path handleFile : stream) {
                try (ObjectInputStream ois = new ObjectInputStream(Files.newInputStream(handleFile))) {
                    HandleInfo info = (HandleInfo) ois.readObject();

    Collection<E> copy = new ArrayList<>();
    copy.addAll(collection);

    try {
      collection.add(sampleElement);
      fail("add succeeded on unmodifiable collection");
    } catch (UnsupportedOperationException expected) {
    }

    assertCollectionsAreEquivalent(copy, collection);

    try {
      collection.addAll(siblingCollection);
      fail("addAll succeeded on unmodifiable collection");