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)

  /** 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)

  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

    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")

    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? = "text/plain".toMediaType()

    override fun contentLength(): Long = chunk!!.size * 8L

final class LittleEndianByteArray {

  /**
   * The instance that actually does the work; delegates to VarHandle, Unsafe, or a Java-8
   * compatible pure-Java fallback.
   */
  private static final LittleEndianBytes byteArray = makeGetter();

  /**
   * Load 8 bytes into long in a little endian manner, from the substring between position and
   * position + 8. The array must have at least 8 bytes from offset (inclusive).
   *

        }

        override fun getInputStream(): InputStream {
          return object : FilterInputStream(super.inputStream) {
            override fun read(
              b: ByteArray?,
              off: Int,
              len: Int,
            ): Int {
              onRead()
              return super.read(b, off, len)
            }
          }
        }

    /**
     * Returns the concatenation of 8-bit, length prefixed protocol names.
     * http://tools.ietf.org/html/draft-agl-tls-nextprotoneg-04#page-4
     */
    fun concatLengthPrefixed(protocols: List<Protocol>): ByteArray {
      val result = Buffer()
      for (protocol in alpnProtocolNames(protocols)) {
        result.writeByte(protocol.length)
        result.writeUtf8(protocol)
      }
      return result.readByteArray()