} catch (CancellationException e) {
            assertTrue(merger == Merger.allMerger);
            inputs.assertHasImmediateCancel(iFuture, jFuture, e);
          } catch (ExecutionException e) {
            assertTrue(merger == Merger.allMerger);
            inputs.assertHasImmediateFailure(iFuture, jFuture, e);
          } catch (TimeoutException e) {

 */

package com.google.common.util.concurrent;

import com.google.common.annotations.GwtCompatible;
import junit.framework.TestCase;

/**
 * Unit tests for {@link Runnables}.
 *
 * @author Olivier Pernet
 */
@GwtCompatible
public class RunnablesTest extends TestCase {
  public void testDoNothingRunnableIsSingleton() {
    assertSame(Runnables.doNothing(), Runnables.doNothing());
  }

   *       then sequentially accessing it could result in other processes dying. This is solvable
   *       via madvise(2), but that obviously doesn't exist in java.
   *   <li>Ordinary copy. Kernel copies bytes into a kernel buffer, from a kernel buffer into a
   *       userspace buffer (byte[] or ByteBuffer), then copies them from that buffer into the
   *       destination channel.
   * </ol>
   *

/**
 * {@link TestCase} for {@link HostSpecifier}. This is a relatively cursory test, as HostSpecifier
 * is a thin wrapper around {@link InetAddresses} and {@link InternetDomainName}; the unit tests for
 * those classes explore numerous corner cases. The intent here is to confirm that everything is
 * wired up properly.
 *
 * @author Craig Berry
 */
public final class HostSpecifierTest extends TestCase {

     * that could call it, nor exposed this Future for users to call cancel() on).
     */
    requireNonNull(futures);

    // Corner case: List is empty.
    if (futures.isEmpty()) {
      handleAllCompleted();
      return;
    }

    // NOTE: If we ever want to use a custom executor here, have a look at CombinedFuture as we'll

          } catch (CancellationException e) {
            assertTrue(merger == Merger.allMerger);
            inputs.assertHasImmediateCancel(iFuture, jFuture, e);
          } catch (ExecutionException e) {
            assertTrue(merger == Merger.allMerger);
            inputs.assertHasImmediateFailure(iFuture, jFuture, e);
          } catch (TimeoutException e) {

package com.google.common.collect;

import java.util.Map;

/**
 * GWT emulation of {@link JdkBackedImmutableMap}. Never used, but must exist so that the client is
 * willing to deserialize maps that were this type on the server.
 */
@ElementTypesAreNonnullByDefault
final class JdkBackedImmutableMap<K, V> extends ForwardingImmutableMap<K, V> {
  JdkBackedImmutableMap(Map<? extends K, ? extends V> delegate) {
    super(delegate);
  }

 * when appropriate and {@link #awaitHealthy} will still work as expected.
 *
 * <p>Here is a simple example of how to use a {@code ServiceManager} to start a server.
 *
 * <pre>{@code
 * class Server {
 *   public static void main(String[] args) {
 *     Set<Service> services = ...;
 *     ServiceManager manager = new ServiceManager(services);
 *     manager.addListener(new Listener() {

 */

package com.google.common.util.concurrent;

import com.google.common.annotations.GwtCompatible;
import junit.framework.TestCase;

/**
 * Unit tests for {@link Runnables}.
 *
 * @author Olivier Pernet
 */
@GwtCompatible
public class RunnablesTest extends TestCase {
  public void testDoNothingRunnableIsSingleton() {
    assertSame(Runnables.doNothing(), Runnables.doNothing());
  }

 * limitations under the License.
 */

package com.google.common.collect;

import com.google.common.annotations.GwtCompatible;

/**
 * Dummy class that makes the GWT serialization policy happy. It isn't used on the server-side.
 *
 * @author Hayward Chan
 */
@GwtCompatible(emulated = true)
@ElementTypesAreNonnullByDefault
class ForwardingImmutableCollection {
  private ForwardingImmutableCollection() {}