assertThrows(ExecutionException.class, () -> getDone(task));
    assertThat(executionException).hasCauseThat().isEqualTo(e);
  }

  @J2ktIncompatible
  @GwtIncompatible // blocking wait
  public void testCancel_interrupted() throws Exception {
    AtomicBoolean interruptedExceptionThrown = new AtomicBoolean();
    CountDownLatch enterLatch = new CountDownLatch(1);

   * Drains the queue as {@link BlockingQueue#drainTo(Collection, int)}, but if the requested {@code
   * numElements} elements are not available, it will wait for them up to the specified timeout.
   *
   * @param q the blocking queue to be drained
   * @param buffer where to add the transferred elements
   * @param numElements the number of elements to be waited for
   * @param timeout how long to wait before giving up

   * Drains the queue as {@link BlockingQueue#drainTo(Collection, int)}, but if the requested {@code
   * numElements} elements are not available, it will wait for them up to the specified timeout.
   *
   * @param q the blocking queue to be drained
   * @param buffer where to add the transferred elements
   * @param numElements the number of elements to be waited for
   * @param timeout how long to wait before giving up

    @Test
    void testWatchTimeout() throws Exception {
        // Create a handle that simulates blocking operation
        SmbWatchHandle blockingHandle = new SmbWatchHandle() {
            @Override
            public List<FileNotifyInformation> watch() throws CIFSException {
                try {
                    // Simulate blocking indefinitely
                    Thread.sleep(Long.MAX_VALUE);

        }

        // Check global rate limit
        if (!checkGlobalRateLimit()) {
            totalAttemptsBlocked.incrementAndGet();
            log.warn("Global rate limit exceeded, blocking attempt from {}", sourceIp);
            return false;
        }

        // Check per-account limit
        if (username != null) {

  // Internal state of this connection is guarded by 'lock'. No blocking operations may be
  // performed while holding this lock!
  //
  // Socket writes are guarded by frameWriter.
  //
  // Socket reads are unguarded but are only made by the reader thread.
  //
  // Certain operations (like SYN_STREAM) need to synchronize on both the frameWriter (to do

 *
 * This class implements the TRANS_PEEK_NAMED_PIPE transaction which allows
 * reading data from a pipe without removing it, useful for checking if data
 * is available before performing a blocking read.
 */
public class TransPeekNamedPipe extends SmbComTransaction {

    private final int fid;

    /**
     * Constructs a TransPeekNamedPipe request to check the status of a named pipe.
     *

            final int flags = oldFlags | ServerMessageBlock2.SMB2_FLAGS_SIGNED;
            SMBUtil.writeInt4(flags, data, offset + 16);

            // Create new Mac instance for thread safety without blocking other operations
            Mac mac;
            try {
                mac = createMacInstance();
            } catch (GeneralSecurityException e) {

### Other forms of asynchronous code { #other-forms-of-asynchronous-code }

This style of using `async` and `await` is relatively new in the language.

configured to fall back for broad connectivity.

Using OkHttp is easy. Its request/response API is designed with fluent builders and immutability. It
supports both synchronous blocking calls and async calls with callbacks.

A well behaved user agent
-------------------------

OkHttp follows modern HTTP specifications such as