import java.util.concurrent.Callable;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;
import org.jspecify.annotations.Nullable;

/**
 * Unit test for {@link FakeTicker}.
 *
 * @author Jige Yu
 */
@GwtCompatible

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

/**
 * Unit test for {@link Ascii}.
 *
 * @author Craig Berry
 */
@GwtCompatible
@NullUnmarked
public class AsciiTest extends TestCase {

  /**
   * The Unicode points {@code 00c1} and {@code 00e1} are the upper- and lowercase forms of

import java.util.List;
import java.util.concurrent.atomic.AtomicReference;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;
import org.jspecify.annotations.Nullable;

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

  public void testGetIfPresent() {

import java.util.function.IntConsumer;
import java.util.stream.IntStream;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/** Test Java8 map.compute in concurrent cache context. */
@NullUnmarked
public class LocalCacheMapComputeTest extends TestCase {
  final int count = 10000;
  final String delimiter = "-";
  final String key = "key";
  Cache<String, String> cache;

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

/**
 * Test suite covering {@link Shorts#asList(short[])}.
 *
 * @author Kevin Bourrillion
 */
@GwtCompatible
@NullUnmarked
@AndroidIncompatible // test-suite builders
public class ShortArrayAsListTest extends TestCase {

  private static List<Short> asList(Short[] values) {

import java.util.stream.Stream;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.jspecify.annotations.NullMarked;

/**
 * Tests for {@code ImmutableEnumMap}.
 *
 * @author Louis Wasserman
 */
@GwtCompatible
@NullMarked
public class ImmutableEnumMapTest extends TestCase {
  @J2ktIncompatible
  @AndroidIncompatible // test-suite builders

import java.util.List;
import java.util.Set;
import java.util.concurrent.CopyOnWriteArrayList;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

@GwtIncompatible // reflection
@NullUnmarked
public class ImmutableListCopyOfConcurrentlyModifiedInputTest extends TestCase {
  enum WrapWithIterable {
    WRAP,
    NO_WRAP
  }

  private static void runConcurrentlyMutatedTest(

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 java.util.Set;
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> {