import static org.mockito.Mockito.verify;

import java.io.ByteArrayInputStream;
import java.io.Closeable;
import java.io.IOException;
import java.io.InputStream;
import java.io.Reader;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Unit tests for {@link Closeables}.
 *
 * <p>Checks proper closing behavior, and ensures that IOExceptions on Closeable.close() are not

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

/**
 * Unit test for {@link HashMultiset}.
 *
 * @author Kevin Bourrillion
 * @author Jared Levy
 */
@GwtCompatible
@NullMarked
public class HashMultisetTest extends TestCase {

  @J2ktIncompatible
  @GwtIncompatible // suite

import com.google.common.collect.ImmutableList;
import java.util.Arrays;
import java.util.List;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Unit tests for {@link AbstractPackageSanityTests}.
 *
 * @author Ben Yu
 */
@NullUnmarked
public class AbstractPackageSanityTestsTest extends TestCase {
  /*
   * This is a public type so that the Android test runner can create an instance directly as it

import java.io.ByteArrayInputStream;
import java.util.Arrays;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Tests for {@link HashingInputStream}.
 *
 * @author Qian Huang
 */
@NullUnmarked
public class HashingInputStreamTest extends TestCase {
  private Hasher hasher;
  private HashFunction hashFunction;

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

/**
 * Tests for {@link ForwardingSortedMultiset}.
 *
 * @author Louis Wasserman
 */
@NullUnmarked
public class ForwardingSortedMultisetTest extends TestCase {

import static com.google.common.collect.Hashing.smear;

import com.google.common.annotations.GwtCompatible;
import junit.framework.TestCase;
import org.jspecify.annotations.NullMarked;

/** Tests for {@code Hashing}. */
@GwtCompatible
@NullMarked
public class HashingTest extends TestCase {
  public void testSmear() {
    assertEquals(1459320713, smear(754102528));
    assertEquals(-160560296, smear(1234567890));

import com.google.common.collect.Iterators;
import java.util.Iterator;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Tests for {@link SubscriberRegistry}.
 *
 * @author Colin Decker
 */
@NullUnmarked
public class SubscriberRegistryTest extends TestCase {

  private final SubscriberRegistry registry = new SubscriberRegistry(new EventBus());

import java.io.ByteArrayInputStream;
import java.util.Arrays;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Tests for {@link HashingInputStream}.
 *
 * @author Qian Huang
 */
@NullUnmarked
public class HashingInputStreamTest extends TestCase {
  private Hasher hasher;
  private HashFunction hashFunction;

import java.util.concurrent.TimeoutException;
import junit.framework.TestCase;
import org.jspecify.annotations.NullMarked;

/**
 * Tests for {@link FluentFuture}. The tests cover only the basics for the API. The actual logic is
 * tested in {@link FuturesTest}.
 */
@NullMarked
@GwtCompatible
public class FluentFutureTest extends TestCase {
  @SuppressWarnings({"deprecation", "InlineMeInliner"}) // test of a deprecated method

import java.util.ArrayList;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Locale;
import java.util.TreeMap;
import java.util.logging.Level;
import java.util.logging.Logger;
import junit.framework.TestCase;
import org.junit.Test;

/**
 * Automatically runs sanity checks against top level classes in the same package of the test that
 * extends {@code AbstractPackageSanityTests}. Currently sanity checks include {@link