* from B to A).
   */
  private static boolean canTraverseWithoutReusingEdge(
      Graph<?> graph, Object nextNode, @Nullable Object previousNode) {
    if (graph.isDirected() || !Objects.equals(previousNode, nextNode)) {
      return true;
    }
    // This falls into the undirected A->B->A case. The Graph interface does not support parallel

import okio.Path
import okio.Path.Companion.toOkioPath
import okio.buffer
import okio.source

/**
 * Utilities for reading HPACK tests.
 */
object HpackJsonUtil {
  @Suppress("unused")
  private val MOSHI =
    Moshi
      .Builder()
      .add(
        object : Any() {
          @ToJson fun byteStringToJson(byteString: ByteString) = byteString.hex()

 * encompasses both of these, 'container' is used.
 *
 * @author George van den Driessche
 */
@GwtCompatible
@NullMarked
public interface TestContainerGenerator<T, E extends @Nullable Object> {
  /** Returns the sample elements that this generate populates its container with. */
  SampleElements<E> samples();

  /**

  public MapCacheTest(MapIteratorCache<String, String> mapCache) {
    this.mapCache = mapCache;
  }

  @Parameters
  public static Collection<Object[]> parameters() {
    Comparator<String> nullsLast = Ordering.natural().nullsLast();

    return Arrays.asList(
        new Object[][] {
          {new MapIteratorCache<String, String>(new HashMap<String, String>())},

import jcifs.Configuration;

/**
 * Cache for reusable byte buffers
 *
 *
 * <p>This class is intended for internal use.</p>
 */
public class BufferCacheImpl implements BufferCache {

    private final Object[] cache;
    private final int bufferSize;
    private int freeBuffers = 0;

    /**
     * Constructs a buffer cache using configuration settings.
     *

     */
    fun newEventSource(
      request: Request,
      listener: EventSourceListener,
    ): EventSource

    companion object {
      /**
       * Wraps a [Call.Factory] into [EventSource.Factory].
       */
      @JvmStatic
      @JvmName("create")
      fun Call.Factory.asEventSourceFactory(): Factory =

    assertThat(response.trailers()).isEmpty()
  }

  @Test
  fun worksIfTrailersSet() {
    val response =
      newResponse("".toResponseBody()) {
        trailers(
          object : TrailersSource {
            override fun get() = Headers.headersOf("a", "b")
          },
        )
      }

    assertThat(response.trailers()["a"]).isEqualTo("b")
  }

    call: Call,
  ) {}

  /**
   * Invoked when a connection is marked for no new exchanges.
   */
  open fun noNewExchanges(connection: Connection) {}

  companion object {
    val NONE: ConnectionListener = object : ConnectionListener() {}
  }

/**
 * Generator for collection of a particular size.
 *
 * @author George van den Driessche
 */
@GwtCompatible
@NullMarked
public final class OneSizeGenerator<T, E extends @Nullable Object>
    implements OneSizeTestContainerGenerator<T, E> {
  private final TestContainerGenerator<T, E> generator;
  private final CollectionSize collectionSize;

        mapEntry("four", "April"),
        mapEntry("five", "May"));
  }

  @Override
  public Map<String, String> create(Object... entries) {
    @SuppressWarnings("unchecked")
    Entry<String, String>[] array = (Entry<String, String>[]) new Entry<?, ?>[entries.length];
    int i = 0;
    for (Object o : entries) {
      @SuppressWarnings("unchecked")
      Entry<String, String> e = (Entry<String, String>) o;
      array[i++] = e;