"and responded: $response protocol is $protocol",
        )
      }

      when (socketPolicy) {
        DisconnectAtEnd -> {
          stream.connection.shutdown(ErrorCode.NO_ERROR)
        }
        is DoNotReadRequestBody -> {
          stream.close(ErrorCode.fromHttp2(socketPolicy.http2ErrorCode)!!, null)
        }
        else -> {
        }
      }
    }

    peer.acceptFrame() // PING
    peer.sendFrame().headers(false, 3, headerEntries("a", "android"))
    peer.sendFrame().data(true, 3, Buffer().writeUtf8("robot"), 5)
    peer.sendFrame().rstStream(3, ErrorCode.NO_ERROR)
    peer.sendFrame().ping(true, Http2Connection.AWAIT_PING, 0) // PONG
    peer.play()

    // Play it back.
    val connection = connect(peer)
    val stream = connection.newStream(headerEntries(), false)

   * Closes this connection. This cancels all open streams and unanswered pings. It closes the
   * underlying input and output streams and shuts down internal task queues.
   */
  override fun close() {
    close(ErrorCode.NO_ERROR, ErrorCode.CANCEL, null)
  }

  internal fun close(
    connectionCode: ErrorCode,
    streamCode: ErrorCode,
    cause: IOException?,
  ) {
    this.assertThreadDoesntHoldLock()