@GwtCompatible
public class FuturesTest extends TestCase {
  private static final Logger aggregateFutureLogger =
      Logger.getLogger(AggregateFuture.class.getName());
  private final TestLogHandler aggregateFutureLogHandler = new TestLogHandler();

  private static final String DATA1 = "data";
  private static final String DATA2 = "more data";
  private static final String DATA3 = "most data";

  @Override

      fail();
    } catch (TwoArgConstructorException expected) {
      assertThat(expected).hasCauseThat().isInstanceOf(InterruptedException.class);
      assertTrue(Thread.currentThread().isInterrupted());
    } finally {
      Thread.interrupted();
    }
  }

  public void testGetCheckedUntimed_cancelled() throws TwoArgConstructorException {
    SettableFuture<String> future = SettableFuture.create();
    future.cancel(true);

      fail();
    } catch (TwoArgConstructorException expected) {
      assertThat(expected).hasCauseThat().isInstanceOf(InterruptedException.class);
      assertTrue(Thread.currentThread().isInterrupted());
    } finally {
      Thread.interrupted();
    }
  }

  public void testGetCheckedUntimed_cancelled() throws TwoArgConstructorException {
    SettableFuture<String> future = SettableFuture.create();
    future.cancel(true);

  final ExecutorService closingExecutor = newSingleThreadExecutor();

  final TestCloseable closeable1 = new TestCloseable("closeable1");
  final TestCloseable closeable2 = new TestCloseable("closeable2");
  final TestCloseable closeable3 = new TestCloseable("closeable3");
  final TestCloseable closeable4 = new TestCloseable("closeable4");

  final Waiter waiter = new Waiter();

 * @since 26.0
 */
@J2ktIncompatible
@GwtIncompatible
public final class ExecutionSequencer {

  private ExecutionSequencer() {}

  /** Creates a new instance. */
  public static ExecutionSequencer create() {
    return new ExecutionSequencer();
  }

  /** This reference acts as a pointer tracking the head of a linked list of ListenableFutures. */
  private final AtomicReference<ListenableFuture<@Nullable Void>> ref =

            assertNull(sslSocketFactory);

        } catch (IOException e) {
            fail("Failed to create test certificate file: " + e.getMessage());
        } finally {
            if (invalidCertFile != null && invalidCertFile.exists()) {
                invalidCertFile.delete();
            }
        }
    }

    @Test

    @Override
    public final boolean isDone() {
      return super.isDone();
    }

    @Override
    public final boolean isCancelled() {
      return super.isCancelled();
    }

    @Override
    public final void addListener(Runnable listener, Executor executor) {
      super.addListener(listener, executor);
    }

    @CanIgnoreReturnValue
    @Override

      return Collections.emptyList();
    }
    return new IntArrayAsList(backingArray);
  }

  private static final class IntArrayAsList extends AbstractList<Integer>
      implements RandomAccess, Serializable {
    final int[] array;
    final int start;
    final int end;

    IntArrayAsList(int[] array) {
      this(array, 0, array.length);
    }

                final int threadId = t;
                executor.submit(() -> {
                    try {
                        byte[] data = new byte[128];
                        Arrays.fill(data, (byte) threadId);
                        digest.sign(data, 0, data.length, request, response);
                        results[threadId] = data;
                    } finally {
                        latch.countDown();

//
// The value is useful to stop processing early or when it is necessary to
// deliver a final empty token (which is different from a nil token).
// One could achieve the same behavior with a custom error value but
// providing one here is tidier.
// See the emptyFinalToken example for a use of this value.
var ErrFinalToken = errors.New("final token")

// Scan advances the [Scanner] to the next token, which will then be