import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.jspecify.annotations.NullMarked;

/**
 * Unit tests for {@link HashMultimap}.
 *
 * @author Jared Levy
 */
@GwtCompatible
@NullMarked
public class HashMultimapTest extends TestCase {

  @J2ktIncompatible
  @GwtIncompatible // suite
  @AndroidIncompatible // test-suite builders

import java.io.Serializable;
import java.util.EnumMap;
import org.jspecify.annotations.Nullable;

/**
 * Implementation of {@link ImmutableMap} backed by a non-empty {@link java.util.EnumMap}.
 *
 * @author Louis Wasserman
 */
@GwtCompatible
@SuppressWarnings("serial") // we're overriding default serialization
final class ImmutableEnumMap<K extends Enum<K>, V> extends IteratorBasedImmutableMap<K, V> {

import java.io.ObjectInputStream;
import java.io.Serializable;
import java.util.NoSuchElementException;
import java.util.Set;
import org.jspecify.annotations.Nullable;

/**
 * An empty contiguous set.
 *
 * @author Gregory Kick
 */
@GwtCompatible
@SuppressWarnings("rawtypes") // allow ungenerified Comparable types
final class EmptyContiguousSet<C extends Comparable> extends ContiguousSet<C> {

import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.jspecify.annotations.NullMarked;

/**
 * Unit tests for {@link HashMultimap}.
 *
 * @author Jared Levy
 */
@GwtCompatible
@NullMarked
public class HashMultimapTest extends TestCase {

  @J2ktIncompatible
  @GwtIncompatible // suite
  @AndroidIncompatible // test-suite builders

import java.util.Map;
import org.junit.Ignore;

/**
 * Tester for {@link Map#remove(Object, Object)}. Can't be invoked directly; please see {@link
 * com.google.common.collect.testing.MapTestSuiteBuilder}.
 *
 * @author Louis Wasserman
 */
@GwtCompatible
@Ignore("test runners must not instantiate and run this directly, only via suites we build")
// @Ignore affects the Android test runner, which respects JUnit 4 annotations on JUnit 3 tests.

import com.google.common.collect.testing.features.CollectionSize;
import java.util.Collection;
import java.util.Set;
import org.junit.Ignore;

/**
 * Tests {@link java.util.Set#equals}.
 *
 * @author George van den Driessche
 */
@GwtCompatible
@Ignore("test runners must not instantiate and run this directly, only via suites we build")

import com.google.common.escape.UnicodeEscaper;
import org.jspecify.annotations.NullUnmarked;

/**
 * Testing utilities for {@link UrlEscapers} and {@link LegacyUrlEscapersTest}.
 *
 * @author David Beaumont
 */
@GwtCompatible
@NullUnmarked
final class UrlEscaperTesting {
  /**
   * Helper to assert common expected behaviour of uri escapers. You should call

import java.io.IOException;
import java.io.OutputStream;
import java.util.EnumSet;
import org.jspecify.annotations.NullUnmarked;

/**
 * Tests for the default implementations of {@code ByteSink} methods.
 *
 * @author Colin Decker
 */
@NullUnmarked
public class ByteSinkTest extends IoTestCase {

  private final byte[] bytes = newPreFilledByteArray(10000);

  private TestByteSink sink;

  @Override

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

/**
 * Unit tests for {@link Callables}.
 *
 * @author Isaac Shum
 */
@GwtCompatible
@NullUnmarked
public class CallablesTest extends TestCase {

  @J2ktIncompatible // TODO(b/324550390): Enable
  public void testReturning() throws Exception {

/**
 * A {@link MapIteratorCache} that adds additional caching. In addition to the caching provided by
 * {@link MapIteratorCache}, this structure caches values for the two most recently retrieved keys.
 *
 * @author James Sexton
 */
final class MapRetrievalCache<K, V> extends MapIteratorCache<K, V> {
  // See the note about volatile in the superclass.
  private transient volatile @Nullable CacheEntry<K, V> cacheEntry1;