fun start()
  }

  private object TestThreadSerialTask : SerialTask {
    override fun start() = error("unexpected call")
  }

  inner class RunnableSerialTask(
    private val runnable: Runnable,
  ) : SerialTask {
    override fun start() {
      taskRunner.assertThreadHoldsLock()
      require(currentTask == this)
      activeThreads++

      currentPart = partSource
      return Part(headers, partSource.buffer())
    }

    /** A single part in the stream. It is an error to read this after calling [nextPart]. */
    private inner class PartSource : Source {
      private val timeout = Timeout()

      override fun close() {
        if (currentPart == this) {
          currentPart = null
        }
      }

  private fun gzip(bytes: String): Buffer {
    val bytesOut = Buffer()
    val sink = GzipSink(bytesOut).buffer()
    sink.writeUtf8(bytes)
    sink.close()
    return bytesOut
  }

  internal inner class AsyncRequest(
    val path: String,
    val countDownLatch: CountDownLatch,
  ) : Runnable {
    override fun run() {
      try {
        val call =
          client.newCall(

    val result = mutableListOf<Certificate>()
    result.add(queue.removeFirst())
    var foundTrustedCertificate = false

    followIssuerChain@
    for (c in 0 until MAX_SIGNERS) {
      val toVerify = result[result.size - 1] as X509Certificate

      // If this cert has been signed by a trusted cert, use that. Add the trusted certificate to

  }

  override fun sameHostAndPort(url: HttpUrl): Boolean {
    return url.host == address.url.host && url.port == address.url.port
  }

  override fun close() {
    factory.close()
  }

  inner class FakePlan(
    val id: Int,
  ) : RoutePlanner.Plan {
    var planningThrowable: Throwable? = null
    var canceled = false
    var connectState = ConnectState.READY
    val connection =

  )

  abstract class Streams(
    val client: Boolean,
    val source: BufferedSource,
    val sink: BufferedSink,
  ) : Closeable {
    abstract fun cancel()
  }

  private inner class WriterTask : Task("$name writer") {
    override fun runOnce(): Long {
      try {
        if (writeOneFrame()) return 0L
      } catch (e: IOException) {
        failWebSocket(e = e, isWriter = true)
      }

      return Http2Connection(this)
    }
  }

  /**
   * Methods in this class must not lock FrameWriter. If a method needs to write a frame, create an
   * async task to do so.
   */
  inner class ReaderRunnable internal constructor(
    internal val reader: Http2Reader,
  ) : Http2Reader.Handler, () -> Unit {
    override fun invoke() {
      var connectionErrorCode = ErrorCode.INTERNAL_ERROR

        .isEqualTo(expectedProtocol)
    }
    val callFailed = listener.removeUpToEvent<CallFailed>()
    assertThat(callFailed.ioe).isNotNull()
    assertThat(request.ioe).isNotNull()
  }

  private inner class NonCompletingRequestBody : RequestBody() {
    private val chunk: ByteArray? = ByteArray(1024 * 1024)
    var ioe: IOException? = null

    override fun contentType(): MediaType? {

        if (hostnameVerifier != this.hostnameVerifier) {
          this.routeDatabase = null
        }

        this.hostnameVerifier = hostnameVerifier
      }

    /**
     * Sets the certificate pinner that constrains which certificates are trusted. By default HTTPS
     * connections rely on only the [SSL socket factory][sslSocketFactory] to establish trust.

import assertk.assertions.isTrue
import java.net.ConnectException
import java.util.concurrent.atomic.AtomicBoolean
import org.junit.Assert.fail
import org.junit.Test
import org.junit.runner.Description
import org.junit.runners.model.Statement

class MockWebServerRuleTest {
  @Test fun statementStartsAndStops() {
    val rule = MockWebServerRule()
    val called = AtomicBoolean()
    val statement: Statement =
      rule.apply(