import java.util.Set;
import java.util.logging.Level;
import java.util.logging.Logger;
import junit.framework.TestCase;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * Base test case class for I/O tests.
 *
 * @author Chris Nokleberg
 * @author Colin Decker
 */
public abstract class IoTestCase extends TestCase {

  private static final Logger logger = Logger.getLogger(IoTestCase.class.getName());

import java.util.Locale;
import java.util.concurrent.Executors;
import java.util.concurrent.ThreadFactory;
import junit.framework.TestCase;

/**
 * Tests for ThreadFactoryBuilder.
 *
 * @author Kurt Alfred Kluever
 * @author Martin Buchholz
 */
public class ThreadFactoryBuilderTest extends TestCase {
  private final Runnable monitoredRunnable =
      new Runnable() {
        @Override
        public void run() {

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

/** Test case for {@link TrustedListenableFutureTask}. */
@ElementTypesAreNonnullByDefault
@GwtCompatible(emulated = true)
public class TrustedListenableFutureTaskTest extends TestCase {

  public void testSuccessful() throws Exception {

import java.util.Map;
import java.util.Map.Entry;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;

/**
 * Tests for {@code ImmutableEnumMap}.
 *
 * @author Louis Wasserman
 */
@GwtCompatible(emulated = true)
@ElementTypesAreNonnullByDefault
public class ImmutableEnumMapTest extends TestCase {
  public static class ImmutableEnumMapGenerator extends TestEnumMapGenerator {
    @Override

import static org.junit.Assert.assertThrows;

import java.io.ByteArrayOutputStream;
import java.util.Random;
import junit.framework.TestCase;

/**
 * Tests for AbstractByteHasher.
 *
 * @author Colin Decker
 */
public class AbstractByteHasherTest extends TestCase {

  public void testBytes() {
    TestHasher hasher = new TestHasher(); // byte order insignificant here
    byte[] expected = {1, 2, 3, 4, 5, 6, 7, 8};

import com.google.common.util.concurrent.UncheckedExecutionException;
import junit.framework.TestCase;

/**
 * {@link LoadingCache} tests for caches with a maximum size of zero.
 *
 * @author mike nonemacher
 */
public class NullCacheTest extends TestCase {
  QueuingRemovalListener<Object, Object> listener;

  @Override
  protected void setUp() {
    listener = queuingRemovalListener();

import java.util.Map.Entry;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;

/**
 * Unit tests for {@link HashMultimap}.
 *
 * @author Jared Levy
 */
@GwtCompatible(emulated = true)
@ElementTypesAreNonnullByDefault
public class HashMultimapTest extends TestCase {

  @J2ktIncompatible
  @GwtIncompatible // suite
  public static Test suite() {

import java.util.concurrent.atomic.AtomicReference;
import junit.framework.TestCase;

/**
 * Supplemental tests for {@link Monitor}.
 *
 * <p>This test class contains various test cases that don't fit into the test case generation in
 * {@link GeneratedMonitorTest}.
 *
 * @author Justin T. Sampson
 */
public class SupplementalMonitorTest extends TestCase {

  public void testLeaveWithoutEnterThrowsIMSE() {

import java.util.Map.Entry;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;

/**
 * Unit tests for {@link HashMultimap}.
 *
 * @author Jared Levy
 */
@GwtCompatible(emulated = true)
@ElementTypesAreNonnullByDefault
public class HashMultimapTest extends TestCase {

  @J2ktIncompatible
  @GwtIncompatible // suite
  public static Test suite() {

import com.google.common.testing.GcFinalization;
import com.google.common.testing.NullPointerTester;
import java.lang.ref.WeakReference;
import junit.framework.TestCase;

/**
 * Unit test for {@link Interners}.
 *
 * @author Kevin Bourrillion
 */
public class InternersTest extends TestCase {

  public void testStrong_simplistic() {
    String canonical = "a";
    String not = new String("a");