import java.lang.ref.WeakReference;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Tests of basic {@link LoadingCache} operations with all possible combinations of key & value
 * strengths.
 *
 * @author mike nonemacher
 */
@NullUnmarked
public class CacheReferencesTest extends TestCase {

  private static final CacheLoader<Key, String> KEY_TO_STRING_LOADER =

package com.google.common.graph;

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

import org.jspecify.annotations.NullUnmarked;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;

/** Tests for {@link ImmutableValueGraph} . */
@RunWith(JUnit4.class)
@NullUnmarked
public class ImmutableValueGraphTest {

  @Test
  public void immutableValueGraph() {

import java.nio.ByteBuffer;
import java.nio.charset.Charset;
import java.util.Arrays;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;
import org.mockito.InOrder;

/**
 * Tests for HashExtractors.
 *
 * @author Dimitris Andreou
 */
@NullUnmarked
public class FunnelsTest extends TestCase {
  public void testForBytes() {
    PrimitiveSink primitiveSink = mock(PrimitiveSink.class);

import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.jspecify.annotations.NullUnmarked;
import org.jspecify.annotations.Nullable;

/**
 * Tests for {@code ForwardingSet}.
 *
 * @author Robert Konigsberg
 * @author Louis Wasserman
 */
@NullUnmarked
public class ForwardingSetTest extends TestCase {
  static class StandardImplForwardingSet<T> extends ForwardingSet<T> {

import java.lang.reflect.Method;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;
import org.jspecify.annotations.Nullable;

/**
 * Tests for {@link Subscriber}.
 *
 * @author Cliff Biffle
 * @author Colin Decker
 */
@NullUnmarked
public class SubscriberTest extends TestCase {

  private static final Object FIXTURE_ARGUMENT = new Object();

import com.google.caliper.Param;
import com.google.caliper.api.SkipThisScenarioException;
import java.util.Random;
import org.jspecify.annotations.NullUnmarked;

/**
 * Benchmarks for various algorithms for computing the mean and/or variance.
 *
 * @author Louis Wasserman
 */
@NullUnmarked
public class StatsBenchmark {

  enum MeanAlgorithm {
    SIMPLE {
      @Override
      double mean(double[] values) {

import com.google.caliper.Param;
import com.google.caliper.api.SkipThisScenarioException;
import java.util.Random;
import org.jspecify.annotations.NullUnmarked;

/**
 * Benchmarks for various algorithms for computing the mean and/or variance.
 *
 * @author Louis Wasserman
 */
@NullUnmarked
public class StatsBenchmark {

  enum MeanAlgorithm {
    SIMPLE {
      @Override
      double mean(double[] values) {

import java.util.PriorityQueue;
import java.util.Queue;
import java.util.Random;
import org.jspecify.annotations.NullUnmarked;
import org.jspecify.annotations.Nullable;

/**
 * Benchmarks to compare performance of MinMaxPriorityQueue and PriorityQueue.
 *
 * @author Sverre Sundsdal
 */
@NullUnmarked
public class MinMaxPriorityQueueBenchmark {
  @Param private ComparatorType comparator;

import java.io.Serializable;
import java.util.Collection;
import java.util.Set;
import org.jspecify.annotations.NullUnmarked;
import org.jspecify.annotations.Nullable;

/**
 * {@link Set} implementation that asserts that a given lock is held whenever one of its methods is
 * called.
 */
@NullUnmarked
class LockHeldAssertingSet<E> extends ForwardingSet<E> implements Serializable {
  final Set<E> delegate;
  final Object mutex;

import java.util.PriorityQueue;
import java.util.Queue;
import java.util.Random;
import org.jspecify.annotations.NullUnmarked;
import org.jspecify.annotations.Nullable;

/**
 * Benchmarks to compare performance of MinMaxPriorityQueue and PriorityQueue.
 *
 * @author Sverre Sundsdal
 */
@NullUnmarked
public class MinMaxPriorityQueueBenchmark {
  @Param private ComparatorType comparator;