assertFailsWith<IOException> {
      call.execute()
    }
  }

  private fun randomString(length: Int): String {
    val byteArray = ByteArray(length)
    Random(0).nextBytes(byteArray)
    return byteArray.toByteString().base64()
  }

  private var writerClosed = false

  /** Lazily initialized on first use. */
  private var messageDeflater: MessageDeflater? = null

  // Masks are only a concern for client writers.
  private val maskKey: ByteArray? = if (isClient) ByteArray(4) else null
  private val maskCursor: Buffer.UnsafeCursor? = if (isClient) Buffer.UnsafeCursor() else null

  /** Send a ping with the supplied [payload]. */
  @Throws(IOException::class)

        .body(
          Buffer()
            .write(ByteArray(responseBodySize)),
        ).throttleBody(64 * 1024, 125, MILLISECONDS) // 500 Kbps
        .build(),
    )
    val call = client.newCall(Request(server.url("/")))
    val response = call.execute()
    cancelLater(call, 500)
    val responseBody = response.body.byteStream()
    val buffer = ByteArray(1024)
    assertFailsWith<IOException> {

    }
  }

  @Test
  fun interruptReadingResponseBody() {
    val responseBodySize = 8 * 1024 * 1024 // 8 MiB.
    server.enqueue(
      MockResponse()
        .setBody(Buffer().write(ByteArray(responseBodySize)))
        .throttleBody((64 * 1024).toLong(), 125, TimeUnit.MILLISECONDS),
    ) // 500 Kbps
    server.start()
    val call =
      client.newCall(
        Request
          .Builder()

  /** Lazily initialized on first use. */
  private var messageInflater: MessageInflater? = null

  // Masks are only a concern for server writers.
  private val maskKey: ByteArray? = if (isClient) null else ByteArray(4)
  private val maskCursor: Buffer.UnsafeCursor? = if (isClient) null else Buffer.UnsafeCursor()

  interface FrameCallback {
    @Throws(IOException::class)
    fun onReadMessage(text: String)

   * versions.
   */
  public static PairedStats fromByteArray(byte[] byteArray) {
    checkNotNull(byteArray);
    checkArgument(
        byteArray.length == BYTES,
        "Expected PairedStats.BYTES = %s, got %s",
        BYTES,
        byteArray.length);
    ByteBuffer buffer = ByteBuffer.wrap(byteArray).order(ByteOrder.LITTLE_ENDIAN);
    Stats xStats = Stats.readFrom(buffer);

  override fun getCipherSuite(): String = throw UnsupportedOperationException()

  override fun getCreationTime(): Long = throw UnsupportedOperationException()

  override fun getId(): ByteArray = throw UnsupportedOperationException()

  override fun getLastAccessedTime(): Long = throw UnsupportedOperationException()

  override fun getLocalCertificates(): Array<Certificate> = throw UnsupportedOperationException()

import javax.security.cert.X509Certificate

/** An [SSLSession] that delegates all calls.  */
abstract class DelegatingSSLSession(
  protected val delegate: SSLSession?,
) : SSLSession {
  override fun getId(): ByteArray = delegate!!.id

  override fun getSessionContext(): SSLSessionContext = delegate!!.sessionContext

  override fun getCreationTime(): Long = delegate!!.creationTime

            sink.buffer.writeAll(it.source())
          }
        }
      }

    /** Returns a new request body that transmits this. */
    @JvmOverloads
    @JvmStatic
    @JvmName("create")
    fun ByteArray.toRequestBody(
      contentType: MediaType? = null,
      offset: Int = 0,
      byteCount: Int = size,
    ): RequestBody {
      checkOffsetAndCount(size.toLong(), offset.toLong(), byteCount.toLong())

    return source.readByte().toInt() != 0
  }

  fun readBigInteger(): BigInteger {
    if (bytesLeft == 0L) throw ProtocolException("unexpected length: $bytesLeft at $this")
    val byteArray = source.readByteArray(bytesLeft)
    return BigInteger(byteArray)
  }

  fun readLong(): Long {
    if (bytesLeft !in 1..8) throw ProtocolException("unexpected length: $bytesLeft at $this")