/**
 * Utilities for treating interruptible operations as uninterruptible. In all cases, if a thread is
 * interrupted during such a call, the call continues to block until the result is available or the
 * timeout elapses, and only then re-interrupts the thread.
 *
 * @author Anthony Zana
 * @since 10.0
 */
@GwtCompatible
public final class Uninterruptibles {

   * at the end of the test, so there is no object state put at risk by stopping the threads
   * abruptly. In other cases, a test may put a thread into an uninterruptible operation
   * intentionally, so there is no other way to clean up these threads. (The better solution,
   * though, would be to run the tests that use TestThread in separate VMs so that their threads

      fail();
    } catch (InterruptedException expected) {
      // we indeed waited; a slow thread had enough time to interrupt us
    }
  }

  // same as above; uninterruptible version
  @SuppressWarnings("ThreadPriorityCheck") // TODO: b/175898629 - Consider onSpinWait.
  private void assertUninterruptibleDrained(BlockingQueue<Object> q) {

   * at the end of the test, so there is no object state put at risk by stopping the threads
   * abruptly. In other cases, a test may put a thread into an uninterruptible operation
   * intentionally, so there is no other way to clean up these threads. (The better solution,
   * though, would be to run the tests that use TestThread in separate VMs so that their threads

     * interrupt before, during, or after runInterruptibly() (unless it produced an
     * InterruptedException caught above) can linger and affect listeners.
     */
  }

  /**
   * Called before runInterruptibly - if true, runInterruptibly and afterRanInterruptibly will not
   * be called.
   */
  abstract boolean isDone();

  /**

    } else {
      assertTrue(desc, isBoolean(method));
    }

    switch (method.getExceptionTypes().length) {
      case 0:
        assertFalse(desc, isInterruptible(method));
        break;
      case 1:
        assertTrue(desc, isInterruptible(method));
        break;
      default:
        fail(desc);
    }

    if (isEnterIf(method)) {
      assertTrue(desc, isGuarded(method));

import static com.google.common.util.concurrent.Uninterruptibles.awaitTerminationUninterruptibly;
import static com.google.common.util.concurrent.Uninterruptibles.awaitUninterruptibly;
import static com.google.common.util.concurrent.Uninterruptibles.joinUninterruptibly;
import static com.google.common.util.concurrent.Uninterruptibles.putUninterruptibly;
import static com.google.common.util.concurrent.Uninterruptibles.takeUninterruptibly;

    } else {
      assertTrue(desc, isBoolean(method));
    }

    switch (method.getExceptionTypes().length) {
      case 0:
        assertFalse(desc, isInterruptible(method));
        break;
      case 1:
        assertTrue(desc, isInterruptible(method));
        break;
      default:
        fail(desc);
    }

    if (isEnterIf(method)) {
      assertTrue(desc, isGuarded(method));

import static com.google.common.util.concurrent.Uninterruptibles.awaitTerminationUninterruptibly;
import static com.google.common.util.concurrent.Uninterruptibles.awaitUninterruptibly;
import static com.google.common.util.concurrent.Uninterruptibles.joinUninterruptibly;
import static com.google.common.util.concurrent.Uninterruptibles.putUninterruptibly;
import static com.google.common.util.concurrent.Uninterruptibles.takeUninterruptibly;

          }
        };
    Set<Object> finalResults = Collections.synchronizedSet(Sets.newIdentityHashSet());
    Runnable collectResultsRunnable =
        () -> {
          try {
            String result = Uninterruptibles.getUninterruptibly(currentFuture.get());
            finalResults.add(result);
          } catch (ExecutionException e) {
            finalResults.add(e.getCause());
          } catch (CancellationException e) {