assertTrue(limiter.tryAcquire(0, SECONDS));
    assertFalse(limiter.tryAcquire(0, SECONDS));
    assertFalse(limiter.tryAcquire(0, SECONDS));
    stopwatch.sleepMillis(100);
    assertFalse(limiter.tryAcquire(0, SECONDS));
  }

  public void testTryAcquire_someWaitAllowed() {
    RateLimiter limiter = RateLimiter.create(5.0, stopwatch);
    assertTrue(limiter.tryAcquire(0, SECONDS));

    assertTrue(limiter.tryAcquire(0, SECONDS));
    assertFalse(limiter.tryAcquire(0, SECONDS));
    assertFalse(limiter.tryAcquire(0, SECONDS));
    stopwatch.sleepMillis(100);
    assertFalse(limiter.tryAcquire(0, SECONDS));
  }

  public void testTryAcquire_someWaitAllowed() {
    RateLimiter limiter = RateLimiter.create(5.0, stopwatch);
    assertTrue(limiter.tryAcquire(0, SECONDS));

    exec.execute(task);
    runLatch.await();
    taskLatch.countDown();

    ExecutionException e = assertThrows(ExecutionException.class, () -> task.get(5, SECONDS));
    assertEquals(IllegalStateException.class, e.getCause().getClass());

    assertTrue(listenerLatch.await(5, SECONDS));
    assertTrue(task.isDone());
    assertFalse(task.isCancelled());
  }

  public void testListenerCalledOnCancelFromNotRunning() throws Exception {

    exec.execute(task);
    runLatch.await();
    taskLatch.countDown();

    ExecutionException e = assertThrows(ExecutionException.class, () -> task.get(5, SECONDS));
    assertEquals(IllegalStateException.class, e.getCause().getClass());

    assertTrue(listenerLatch.await(5, SECONDS));
    assertTrue(task.isDone());
    assertFalse(task.isCancelled());
  }

  public void testListenerCalledOnCancelFromNotRunning() throws Exception {

    assertTrue(latch.await(5, SECONDS));
    assertTrue(future.isDone());
    assertFalse(future.isCancelled());

    assertEquals(expectedValue, future.get());
  }

  public void testCancelledFuture() throws InterruptedException, ExecutionException {
    assertTrue(future.isDone());
    assertTrue(future.isCancelled());

    assertTrue(latch.await(5, SECONDS));
    assertTrue(future.isDone());

    var throttleBytesPerPeriod: Long = mockResponse.throttleBytesPerPeriod
    throttleBytesPerPeriod = mockResponse.throttleBytesPerPeriod
    var throttlePeriod: Long = mockResponse.getThrottlePeriod(TimeUnit.SECONDS)
    mockResponse = mockResponse.setBodyDelay(0L, TimeUnit.SECONDS)
    val bodyDelay: Long = mockResponse.getBodyDelay(TimeUnit.SECONDS)

import static com.google.common.util.concurrent.Uninterruptibles.getUninterruptibly;
import static java.util.concurrent.TimeUnit.MILLISECONDS;
import static java.util.concurrent.TimeUnit.SECONDS;
import static junit.framework.Assert.assertFalse;
import static junit.framework.Assert.fail;

import com.google.common.annotations.GwtCompatible;
import java.util.concurrent.ExecutionException;

    }

    val client =
      clientTestRule
        .newClientBuilder()
        .dns { listOf(InetAddress.getByName("localhost")) }
        .callTimeout(4, SECONDS)
        .writeTimeout(2, SECONDS)
        .readTimeout(2, SECONDS)
        .apply {
          if (socketMode is TlsInstance) {
            if (socketMode.socketMode == Channel) {
              socketFactory(ChannelSocketFactory())
            }

    mock.assertLastMethodCalled("scheduleRunnable", 10, MINUTES);

    Future<?> unused2 = testExecutor.schedule(callable(DO_NOTHING), 5, SECONDS);
    mock.assertLastMethodCalled("scheduleCallable", 5, SECONDS);
  }

  public void testSchedule_repeating() {
    MockExecutor mock = new MockExecutor();
    TestExecutor testExecutor = new TestExecutor(mock);

        createCacheBuilder().expireAfterWrite(99999, SECONDS),
        createCacheBuilder().maximumSize(SMALL_MAX_SIZE).expireAfterAccess(SMALL_MAX_SIZE, SECONDS),
        createCacheBuilder().maximumSize(SMALL_MAX_SIZE).expireAfterWrite(SMALL_MAX_SIZE, SECONDS));
  }

  /** Returns an iterable containing all combinations weakKeys and weak/softValues. */