// Three catchers for related types String, Object, and Comparable<?>.
    // String isa Object
    // String isa Comparable<?>
    // Comparable<?> isa Object
    StringCatcher stringCatcher = new StringCatcher();

    final List<Object> objectEvents = Lists.newArrayList();
    Object objCatcher =
        new Object() {
          @SuppressWarnings("unused")
          @Subscribe

 * consumption at the price of moderately increased constant factors of CPU. Only use this class
 * when there is a specific reason to prioritize memory over CPU.
 *
 * @author Louis Wasserman
 */
@GwtIncompatible // not worth using in GWT for now
@ElementTypesAreNonnullByDefault
class CompactLinkedHashSet<E extends @Nullable Object> extends CompactHashSet<E> {

    /**
     * Indicates whether an object equals this entry, following the behavior specified in {@link
     * Multiset.Entry#equals}.
     */
    @Override
    public boolean equals(@CheckForNull Object object) {
      if (object instanceof Multiset.Entry) {
        Multiset.Entry<?> that = (Multiset.Entry<?>) object;

    QUEUING,
    /** runnable has been submitted but has not yet begun execution */
    QUEUED,
    RUNNING,
  }

  /** Underlying executor that all submitted Runnable objects are run on. */
  private final Executor executor;

  @GuardedBy("queue")
  private final Deque<Runnable> queue = new ArrayDeque<>();

  /** see {@link WorkerRunningState} */
  @LazyInit
  @GuardedBy("queue")

            refreshes,
            keyStrengths,
            valueStrengths);
    return Iterables.transform(
        combinations,
        new Function<List<Object>, CacheBuilder<Object, Object>>() {
          @Override
          public CacheBuilder<Object, Object> apply(List<Object> combination) {
            return createCacheBuilder(
                (Integer) combination.get(0),
                (Integer) combination.get(1),

package com.google.common.collect;

import static com.google.common.truth.Truth.assertThat;

import com.google.common.annotations.GwtCompatible;
import com.google.common.annotations.GwtIncompatible;
import com.google.common.base.Objects;
import com.google.common.testing.EqualsTester;

/**
 * Tests {@link SingletonImmutableTable}.
 *
 * @author Gregory Kick
 */
@GwtCompatible(emulated = true)
@ElementTypesAreNonnullByDefault

        getSet().hashCode());
  }

  /**
   * Returns the {@link Method} instances for the test methods in this class which call {@code
   * hashCode()} on the set values so that set tests on unhashable objects can suppress it with
   * {@code FeatureSpecificTestSuiteBuilder.suppressing()}.
   */
  @J2ktIncompatible
  @GwtIncompatible // reflection
  public static Method[] getHashCodeMethods() {
    return new Method[] {

  public void testImmutableSortedMapCopyOfMap() {
    Map<Object, Object> original =
        ImmutableMap.of(new Object(), new Object(), new Object(), new Object());

    assertThrows(ClassCastException.class, () -> ImmutableSortedMap.copyOf(original));
  }

  public void testImmutableSortedSetCopyOfIterable() {
    Set<Object> original = ImmutableSet.of(new Object(), new Object());

  public void testImmutableSortedMapCopyOfMap() {
    Map<Object, Object> original =
        ImmutableMap.of(new Object(), new Object(), new Object(), new Object());

    assertThrows(ClassCastException.class, () -> ImmutableSortedMap.copyOf(original));
  }

  public void testImmutableSortedSetCopyOfIterable() {
    Set<Object> original = ImmutableSet.of(new Object(), new Object());

    tester.addEqualityGroup(instance, createInstance(factory, equalArgs));
    for (int i = 0; i < params.size(); i++) {
      List<Object> newArgs = Lists.newArrayList(args);
      Object newArg = argGenerators.get(i).generateFresh(params.get(i).getType());

      if (newArg == null || Objects.equal(args.get(i), newArg)) {
        if (params.get(i).getType().getRawType().isEnum()) {