}

    @Override
    public synchronized Map<String, Object> read() {
        while (!isFinished.get() && queue.isEmpty()) {
            addDocumentToQueue();
        }

        return queue.poll();
    }

    @Override
    public void close() {
        isFinished.set(true);
        queue.clear();
    }

    /**
     * Sets the scroll size.

        }

        /**
         * Checks if the crawling thread has finished execution.
         *
         * @return true if the thread has completed its crawling operation
         */
        public boolean isFinished() {
            return finished;
        }

        /**
         * Stops the crawling operation gracefully.
         * If a data store is currently active, this method calls

      this.type = Http2.TYPE_SETTINGS
      this.ack = true
    }

    override fun headers(
      inFinished: Boolean,
      streamId: Int,
      associatedStreamId: Int,
      headerBlock: List<Header>,
    ) {
      check(type == -1)
      this.type = Http2.TYPE_HEADERS
      this.inFinished = inFinished
      this.streamId = streamId
      this.associatedStreamId = associatedStreamId

import okio.BufferedSource
import okio.ByteString

internal open class BaseTestHandler : Http2Reader.Handler {
  override fun data(
    inFinished: Boolean,
    streamId: Int,
    source: BufferedSource,
    length: Int,
  ) {
    fail("")
  }

  override fun headers(
    inFinished: Boolean,
    streamId: Int,
    associatedStreamId: Int,
    headerBlock: List<Header>,
  ) {
    fail("")
  }

      if (inFinished) {
        dataStream.receiveHeaders(Headers.EMPTY, true)
      }
    }

    override fun headers(
      inFinished: Boolean,
      streamId: Int,
      associatedStreamId: Int,
      headerBlock: List<Header>,
    ) {
      if (pushedStream(streamId)) {
        pushHeadersLater(streamId, headerBlock, inFinished)
        return
      }

    reader.nextFrame(
      requireSettings = false,
      object : BaseTestHandler() {
        override fun headers(
          inFinished: Boolean,
          streamId: Int,
          associatedStreamId: Int,
          headerBlock: List<Header>,
        ) {
          assertThat(inFinished).isTrue()
          assertThat(streamId).isEqualTo(expectedStreamId)
          assertThat(associatedStreamId).isEqualTo(-1)

    @Throws(IOException::class)
    fun data(
      inFinished: Boolean,
      streamId: Int,
      source: BufferedSource,
      length: Int,
    )

    /**
     * Create or update incoming headers, creating the corresponding streams if necessary. Frames
     * that trigger this are HEADERS and PUSH_PROMISE.
     *
     * @param inFinished true if the sender will not send further frames.

import okio.Timeout

/** A logical bidirectional stream. */
@Suppress("NAME_SHADOWING")
class Http2Stream internal constructor(
  val id: Int,
  val connection: Http2Connection,
  outFinished: Boolean,
  inFinished: Boolean,
  headers: Headers?,
) : Lockable,
  Socket {
  // Internal state is guarded by `this`. No long-running or potentially blocking operations are
  // performed while the lock is held.

    assertThat(data1.streamId).isEqualTo(3)
    assertArrayEquals("abcdefghi".toByteArray(), data1.data)
    assertThat(data1.inFinished).isFalse()
    val headers2 = peer.takeFrame()
    assertThat(headers2.type).isEqualTo(Http2.TYPE_HEADERS)
    assertThat(headers2.inFinished).isTrue()
  }

  @Test fun clientCannotReadTrailersWithoutExhaustingStream() {
    // Write the mocking script.