return exceptionCatchingExecutor;
    }
  }

  public void testServiceTimeoutOnStartUp() throws Exception {
    TimeoutOnStartUp service = new TimeoutOnStartUp();

    TimeoutException e =
        assertThrows(
            TimeoutException.class, () -> service.startAsync().awaitRunning(1, MILLISECONDS));
    assertThat(e).hasMessageThat().contains(Service.State.STARTING.toString());
  }

      return exceptionCatchingExecutor;
    }
  }

  public void testServiceTimeoutOnStartUp() throws Exception {
    TimeoutOnStartUp service = new TimeoutOnStartUp();

    TimeoutException e =
        assertThrows(
            TimeoutException.class, () -> service.startAsync().awaitRunning(1, MILLISECONDS));
    assertThat(e).hasMessageThat().contains(Service.State.STARTING.toString());
  }

    ServiceManager manager = new ServiceManager(asList(a));
    manager.startAsync();
    assertThrows(TimeoutException.class, () -> manager.awaitHealthy(1, MILLISECONDS));
    manager.awaitHealthy(5, SECONDS); // no exception thrown

    manager.stopAsync();
    assertThrows(TimeoutException.class, () -> manager.awaitStopped(1, MILLISECONDS));
    manager.awaitStopped(5, SECONDS); // no exception thrown
  }

import static org.junit.Assert.assertThrows;

import java.util.concurrent.CancellationException;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.TimeoutException;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Test cases for {@link SettableFuture}.
 *
 * @author Sven Mawson
 */
@NullUnmarked

   *
   * @throws TimeoutException if this thread does not accept the request within a reasonable amount
   *     of time
   */
  private void sendRequest(String methodName, Object... arguments) throws Exception {
    if (!requestQueue.offer(new Request(methodName, arguments), TIMEOUT_MILLIS, MILLISECONDS)) {
      throw new TimeoutException();
    }
  }

  /**

   *
   * @param timeout the maximum time to wait
   * @throws TimeoutException if not all of the services have stopped within the deadline
   * @since 33.4.0 (but since 28.0 in the JRE flavor)
   */
  @IgnoreJRERequirement // Users will use this only if they're already using Duration.
  public void awaitStopped(Duration timeout) throws TimeoutException {
    awaitStopped(toNanosSaturated(timeout), TimeUnit.NANOSECONDS);
  }

   * @throws TimeoutException if not all of the services have finished starting within the deadline
   * @throws IllegalStateException if the service manager reaches a state from which it cannot
   *     become {@linkplain #isHealthy() healthy}.
   * @since 28.0 (but only since 33.4.0 in the Android flavor)
   */
  public void awaitHealthy(Duration timeout) throws TimeoutException {

import static org.junit.Assert.assertThrows;

import java.util.concurrent.CancellationException;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.TimeoutException;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Test cases for {@link SettableFuture}.
 *
 * @author Sven Mawson
 */
@NullUnmarked

   *
   * @throws TimeoutException if this thread does not accept the request within a reasonable amount
   *     of time
   */
  private void sendRequest(String methodName, Object... arguments) throws Exception {
    if (!requestQueue.offer(new Request(methodName, arguments), TIMEOUT_MILLIS, MILLISECONDS)) {
      throw new TimeoutException();
    }
  }

  /**

import com.google.common.util.concurrent.ForwardingListenableFuture.SimpleForwardingListenableFuture;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeoutException;
import junit.framework.TestCase;
import org.jspecify.annotations.NullMarked;

/**
 * Tests for {@link FluentFuture}. The tests cover only the basics for the API. The actual logic is
 * tested in {@link FuturesTest}.