import org.codelibs.core.exception.NullArgumentException;
import org.codelibs.core.lang.StringUtil;

/**
 * Utility class for assertions.
 *
 * @author shot
 */
public abstract class AssertionUtil {

    /**
     * Do not instantiate.
     */
    protected AssertionUtil() {
    }

    /**
     * Asserts that the argument is not <code>null</code>.
     *

  @Override
  public @Nullable E poll() {
    return delegate().poll();
  }

  @CanIgnoreReturnValue
  @Override
  @ParametricNullness
  public E remove() {
    return delegate().remove();
  }

  @Override
  public @Nullable E peek() {
    return delegate().peek();
  }

  @Override
  @ParametricNullness
  public E element() {
    return delegate().element();
  }

import org.jspecify.annotations.NullUnmarked;

/**
 * Tests for {@code CompactHashMap}.
 *
 * @author Louis Wasserman
 */
@NullUnmarked
public class CompactHashMapTest extends TestCase {
  @AndroidIncompatible // test-suite builders
  public static Test suite() {
    TestSuite suite = new TestSuite();
    suite.addTest(
        MapTestSuiteBuilder.using(
                new TestStringMapGenerator() {

import org.lastaflute.core.json.JsonMappingOption.JsonFieldNaming;

public class FessJsonResourceProviderTest extends UnitFessTestCase {

    private FessJsonResourceProvider provider;

    @Override
    protected void setUp(TestInfo testInfo) throws Exception {
        super.setUp(testInfo);
        provider = new FessJsonResourceProvider();
    }

    @Test
    public void test_isNullsSuppressed() {

     */
    public KuromojiFile(final String id, final String path, final Date timestamp) {
        super(id, path, timestamp);
    }

    @Override
    public String getType() {
        return KUROMOJI;
    }

    @Override
    public String getPath() {
        return path;
    }

    @Override
    public synchronized OptionalEntity<KuromojiItem> get(final long id) {

    @Override
    protected Executor executor() {
      return new Executor() {
        @Override
        public void execute(Runnable command) {}
      };
    }

    @Override
    protected void run() throws Exception {}
  }

  public void testStopWhileStarting_runNotCalled() throws Exception {
    CountDownLatch started = new CountDownLatch(1);
    FakeService service =

 * way that affects its {@link Object#equals} behavior. Undefined behavior and bugs will result.
 *
 * @author Jared Levy
 * @since 2.0
 */
@GwtCompatible
public final class HashMultimap<K extends @Nullable Object, V extends @Nullable Object>
    extends AbstractSetMultimap<K, V> {
  private static final int DEFAULT_VALUES_PER_KEY = 2;

 *
 * @author Chris Povirk
 */
@GwtCompatible
@NullMarked
public abstract class TestStringSortedMapGenerator extends TestStringMapGenerator
    implements TestSortedMapGenerator<String, String> {
  @Override
  public Entry<String, String> belowSamplesLesser() {
    return mapEntry("!! a", "below view");
  }

  @Override
  public Entry<String, String> belowSamplesGreater() {
    return mapEntry("!! b", "below view");

/**
 * Tests {@link ImmutableTable}
 *
 * @author Gregory Kick
 */
@GwtCompatible
@NullMarked
public abstract class AbstractImmutableTableTest extends TestCase {

  abstract Iterable<ImmutableTable<Character, Integer, String>> getTestInstances();

  public final void testClear() {
    for (Table<Character, Integer, String> testInstance : getTestInstances()) {

import jnr.unixsocket.UnixSocketChannel;

/** Impersonate TCP-style SocketFactory over UNIX domain sockets. */
public final class UnixDomainSocketFactory extends SocketFactory {
  private final File path;

  public UnixDomainSocketFactory(File path) {
    this.path = path;
  }

  @Override public Socket createSocket() throws IOException {
    UnixSocketChannel channel = UnixSocketChannel.open();