import java.util.concurrent.atomic.AtomicReference;
import junit.framework.TestCase;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * Unit test for {@link AbstractCache}.
 *
 * @author Charles Fry
 */
public class AbstractCacheTest extends TestCase {

  public void testGetIfPresent() {
    final AtomicReference<Object> valueRef = new AtomicReference<>();
    Cache<Object, Object> cache =

import com.google.common.annotations.GwtCompatible;
import java.util.Iterator;
import java.util.Map;
import java.util.concurrent.ConcurrentMap;

/**
 * The reason why a cached entry was removed.
 *
 * @author Charles Fry
 * @since 10.0
 */
@GwtCompatible
@ElementTypesAreNonnullByDefault
public enum RemovalCause {
  /**
   * The entry was manually removed by the user. This can result from the user invoking {@link

 * their default implementations. When those implementations invoke methods, they invoke methods on
 * the {@code ForwardingConcurrentMap}.
 *
 * @author Charles Fry
 * @since 2.0
 */
@GwtCompatible
@ElementTypesAreNonnullByDefault
public abstract class ForwardingConcurrentMap<K, V> extends ForwardingMap<K, V>
    implements ConcurrentMap<K, V> {

import com.google.caliper.Param;
import com.google.common.cache.LocalCache.Segment;
import java.util.concurrent.atomic.AtomicReferenceArray;

/**
 * Benchmark for {@code LocalCache.Segment.expand()}.
 *
 * @author Charles Fry
 */
public class SegmentBenchmark {

  @Param({"16", "32", "64", "128", "256", "512", "1024", "2048", "4096", "8192"})
  int capacity;

  private Segment<Object, Object> segment;

  @BeforeExperiment

import java.util.concurrent.Executor;
import java.util.concurrent.Future;
import java.util.concurrent.atomic.AtomicInteger;
import junit.framework.TestCase;

/**
 * Unit tests for {@link CacheLoader}.
 *
 * @author Charles Fry
 */
public class CacheLoaderTest extends TestCase {

  private static class QueuingExecutor implements Executor {
    private final Deque<Runnable> tasks = Queues.newArrayDeque();

    @Override

import com.google.common.collect.ImmutableMap;
import java.util.concurrent.ExecutionException;
import junit.framework.TestCase;

/**
 * Unit test for {@link ForwardingLoadingCache}.
 *
 * @author Charles Fry
 */
public class ForwardingLoadingCacheTest extends TestCase {
  private LoadingCache<String, Boolean> forward;
  private LoadingCache<String, Boolean> mock;

  @SuppressWarnings({"unchecked", "DoNotMock"}) // mock

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;

 * limitations under the License.
 */

package com.google.common.cache;

import junit.framework.TestCase;

/**
 * Unit test for {@link CacheStats}.
 *
 * @author Charles Fry
 */
public class CacheStatsTest extends TestCase {

  public void testEmpty() {
    CacheStats stats = new CacheStats(0, 0, 0, 0, 0, 0);
    assertEquals(0, stats.requestCount());

 * to return a value with a GWT serializable type.
 *
 * <p>Note that a {@code GwtCompatible} type may have some {@link GwtIncompatible} methods.
 *
 * @author Charles Fry
 * @author Hayward Chan
 */
@Retention(RetentionPolicy.CLASS)
@Target({ElementType.TYPE, ElementType.METHOD})
@Documented
@GwtCompatible
public @interface GwtCompatible {

  /**

import com.google.common.cache.TestingCacheLoaders.IncrementingLoader;
import com.google.common.testing.FakeTicker;
import junit.framework.TestCase;

/**
 * Tests relating to automatic cache refreshing.
 *
 * @author Charles Fry
 */
public class CacheRefreshTest extends TestCase {
  public void testAutoRefresh() {
    FakeTicker ticker = new FakeTicker();
    IncrementingLoader loader = incrementingLoader();