public void testContainsKey() {
    Map<K, V> map;
    K unmappedKey;
    try {
      map = makePopulatedMap();
      unmappedKey = getKeyNotInPopulatedMap();
    } catch (UnsupportedOperationException e) {
      return;
    }
    assertFalse(map.containsKey(unmappedKey));
    try {
      assertFalse(map.containsKey(new IncompatibleKeyType()));
    } catch (ClassCastException tolerated) {

        }
        try (final ResponseData responseData = storageClient.doHead("storage://fess/")) {
            assertNull(responseData);
        }
        try (final ResponseData responseData = storageClient.doHead("storage://fess/dir1/")) {
            assertNull(responseData);
        }
        try (final ResponseData responseData = storageClient.doHead("storage://fess/dir1/dir2/")) {

            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

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

        tempFile = File.createTempFile("test", ".tmp", Curl.tmpDir);

        // Write test content to file
        try (FileOutputStream fos = new FileOutputStream(tempFile)) {
            fos.write(testContent.getBytes("UTF-8"));
        }

        ContentCache cache = new ContentCache(tempFile);

        try (InputStream stream = cache.getInputStream()) {
            assertNotNull(stream);
            byte[] buffer = new byte[1024];

        if (value != null) {
            try {
                this.smbConnectionTimeout = Integer.parseInt(value);
            } catch (NumberFormatException e) {
                // Invalid value ignored
            }
        }

        value = props.getProperty("jcifs.smb.client.soTimeout");
        if (value != null) {
            try {
                this.smbSocketTimeout = Integer.parseInt(value);

        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 {

  @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) {

    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");

    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();