import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * A skeleton implementation of a descending multiset. Only needs {@code forwardMultiset()} and
 * {@code entryIterator()}.
 *
 * @author Louis Wasserman
 */
@GwtCompatible(emulated = true)
@ElementTypesAreNonnullByDefault
abstract class DescendingMultiset<E extends @Nullable Object> extends ForwardingMultiset<E>
    implements SortedMultiset<E> {

import org.junit.Ignore;

/**
 * A generic JUnit test which tests {@link Map#replace(Object, Object)}. Can't be invoked directly;
 * please see {@link com.google.common.collect.testing.ConcurrentMapTestSuiteBuilder}.
 *
 * @author Louis Wasserman
 */
@GwtCompatible
@Ignore // Affects only Android test runner, which respects JUnit 4 annotations on JUnit 3 tests.
@SuppressWarnings("JUnit4ClassUsedInJUnit3")

 *
 * <p>The ticker can be configured so that the time is incremented whenever {@link #read} is called:
 * see {@link #setAutoIncrementStep}.
 *
 * <p>This class is thread-safe.
 *
 * @author Jige Yu
 * @since 10.0
 */
@ElementTypesAreNonnullByDefault
@GwtCompatible
public class FakeTicker extends Ticker {

  private final AtomicLong nanos = new AtomicLong();

 * 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 {

  private static final ImmutableList<String> GOOD_IPS =
      ImmutableList.of("1.2.3.4", "2001:db8::1", "[2001:db8::1]");

import com.google.common.collect.Lists;
import java.lang.reflect.Field;
import java.util.List;
import junit.framework.TestCase;

/**
 * Tests for the HttpHeaders class.
 *
 * @author Kurt Alfred Kluever
 */
public class HttpHeadersTest extends TestCase {

  public void testConstantNameMatchesString() throws Exception {
    // Special case some of the weird HTTP Header names...

import java.util.SortedMap;

/**
 * Tests representing the contract of {@link SortedMap}. Concrete subclasses of this base class test
 * conformance of concrete {@link SortedMap} subclasses to that contract.
 *
 * @author Jared Levy
 */
// TODO: Use this class to test classes besides ImmutableSortedMap.
@GwtCompatible
public abstract class SortedMapInterfaceTest<K, V> extends MapInterfaceTest<K, V> {

  protected SortedMapInterfaceTest(

 * Note that this means a test should not require more than one CollectionSize, since a particular
 * collection instance can only be one size at once.
 *
 * @author George van den Driessche
 */
@SuppressWarnings("rawtypes") // maybe avoidable if we rework the whole package?
@GwtCompatible
public enum CollectionSize implements Feature<Collection>, Comparable<CollectionSize> {

import com.google.caliper.Param;
import com.google.common.primitives.Ints;
import java.util.Random;
import java.util.concurrent.atomic.AtomicLong;

/**
 * Single-threaded benchmark for {@link LoadingCache}.
 *
 * @author Charles Fry
 */
public class LoadingCacheSingleThreadBenchmark {
  @Param({"1000", "2000"})
  int maximumSize;

  @Param("5000")
  int distinctKeys;

  @Param("4")
  int segments;

import org.junit.Ignore;

/**
 * A generic JUnit test which tests {@link Map#forEach}. 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 java.util.List;
import java.util.Map;
import junit.framework.Test;

/**
 * Tests the {@link Map} implementations of {@link java.util}, suppressing tests that trip known
 * bugs in OpenJDK 6 or higher.
 *
 * @author Kevin Bourrillion
 */
// TODO(cpovirk): consider renaming this class in light of our now running it under newer JDKs.
public class OpenJdk6MapTests extends TestsForMapsInJavaUtil {
  public static Test suite() {