*
 * @author mike nonemacher
 */
@GwtCompatible
@NullUnmarked
final class TestingRemovalListeners {

  /** Returns a new no-op {@code RemovalListener}. */
  static <K, V> NullRemovalListener<K, V> nullRemovalListener() {
    return new NullRemovalListener<>();
  }

  /** Type-inferring factory method for creating a {@link QueuingRemovalListener}. */
  @GwtIncompatible // ConcurrentLinkedQueue

 *
 * @author mike nonemacher
 */
@GwtCompatible
@NullUnmarked
final class TestingRemovalListeners {

  /** Returns a new no-op {@code RemovalListener}. */
  static <K, V> NullRemovalListener<K, V> nullRemovalListener() {
    return new NullRemovalListener<>();
  }

  /** Type-inferring factory method for creating a {@link QueuingRemovalListener}. */
  @GwtIncompatible // ConcurrentLinkedQueue

import static com.google.common.cache.TestingCacheLoaders.identityLoader;
import static com.google.common.cache.TestingRemovalListeners.countingRemovalListener;
import static com.google.common.cache.TestingRemovalListeners.nullRemovalListener;
import static com.google.common.cache.TestingRemovalListeners.queuingRemovalListener;
import static com.google.common.cache.TestingWeighers.constantWeigher;
import static com.google.common.truth.Truth.assertThat;

    } finally {
      refreshExecutor.shutdown();
    }
  }

  public void testSetRemovalListener() {
    RemovalListener<Object, Object> testListener = TestingRemovalListeners.nullRemovalListener();
    LocalCache<Object, Object> map =
        makeLocalCache(createCacheBuilder().removalListener(testListener));
    assertThat(map.removalListener).isSameInstanceAs(testListener);
  }

    } finally {
      refreshExecutor.shutdown();
    }
  }

  public void testSetRemovalListener() {
    RemovalListener<Object, Object> testListener = TestingRemovalListeners.nullRemovalListener();
    LocalCache<Object, Object> map =
        makeLocalCache(createCacheBuilder().removalListener(testListener));
    assertThat(map.removalListener).isSameInstanceAs(testListener);
  }