assertThat(sendGoAway(expectedStreamId, expectedError, EMPTY_BYTE_ARRAY))
      .isEqualTo(frame)
    reader.nextFrame(
      requireSettings = false,
      object : BaseTestHandler() {
        override fun goAway(
          lastGoodStreamId: Int,
          errorCode: ErrorCode,
          debugData: ByteString,
        ) {
          assertThat(lastGoodStreamId).isEqualTo(expectedStreamId)

	cc.mu.Lock()
	defer cc.mu.Unlock()

	old := cc.goAway
	cc.goAway = f

	// Merge the previous and current GoAway error frames.
	if cc.goAwayDebug == "" {
		cc.goAwayDebug = string(f.DebugData())
	}
	if old != nil && old.ErrCode != http2ErrCodeNo {
		cc.goAway.ErrCode = old.ErrCode
	}
	last := f.LastStreamID
	for streamID, cs := range cc.streams {

		//
		// Copied from net/http2 library
		// "Connection" headers aren't allowed in HTTP/2 (RFC 7540, 8.1.2.2),
		// but respect "Connection" == "close" to mean sending a GOAWAY and tearing
		// down the TCP connection when idle, like we do for HTTP/1.
		if params.TearDownConnection {
			w.Header().Set("Connection", "close")
		}

    assertThat(frameLog(true, 3, 226, TYPE_DATA, FLAG_END_STREAM))
      .isEqualTo("<< 0x00000003   226 DATA          END_STREAM")
    assertThat(frameLog(false, 0, 8, TYPE_GOAWAY, FLAG_NONE))
      .isEqualTo(">> 0x00000000     8 GOAWAY        ")
  }

  /** Window update frames have special formatting.  */
  @Test
  fun windowUpdateFrames() {
    assertThat(frameLogWindowUpdate(false, 0, 4, Int.MAX_VALUE.toLong()))

	// the connection is closed.
	Timeout time.Duration
	// MaxServerConnectionAge is a duration for the maximum amount of time a
	// connection may exist before it will be closed by the server sending a GoAway.
	// A random jitter is added to spread out connection storms.
	// See https://github.com/grpc/grpc-go/blob/bd0b3b2aa2a9c87b323ee812359b0e9cda680dad/keepalive/keepalive.go#L49

      payload2: Int,
    ) {
      check(type == -1)
      type = Http2.TYPE_PING
      this.ack = ack
      this.payload1 = payload1
      this.payload2 = payload2
    }

    override fun goAway(
      lastGoodStreamId: Int,
      errorCode: ErrorCode,
      debugData: ByteString,
    ) {
      check(type == -1)
      this.type = Http2.TYPE_GOAWAY
      this.streamId = lastGoodStreamId

      a network error similar to 'connection refused'
    - the HTTP Server waits gracefully for existing requests to complete
      up to '60s' (dictated by ShutdownTimeout)
	- active long running requests will receive a GOAWAY.

T0+70s: HTTPServerStoppedListening:
	- this event is signaled when the HTTP Server has stopped listening
      which is immediately after server.Shutdown has been invoked

    var debugData = ByteString.EMPTY
    if (opaqueDataLength > 0) { // Must read debug data in order to not corrupt the connection.
      debugData = source.readByteString(opaqueDataLength.toLong())
    }
    handler.goAway(lastStreamId, errorCode, debugData)
  }

  /** Unlike other `readXxx()` functions, this one must log the frame before returning. */
  @Throws(IOException::class)
  private fun readWindowUpdate(
    handler: Handler,

			name:     "with broken connection error",
			err:      fmt.Errorf("http: can't write HTTP request on broken connection"),
			expected: true,
		},
		{
			name:     "with server sent GOAWAY error",
			err:      fmt.Errorf("error foo - http2: server sent GOAWAY and closed the connection - error bar"),
			expected: true,
		},
		{
			name:     "with connection reset by peer error",

   * @param errorCode reason for closing the connection.
   * @param debugData only valid for HTTP/2; opaque debug data to send.
   */
  @Throws(IOException::class)
  fun goAway(
    lastGoodStreamId: Int,
    errorCode: ErrorCode,
    debugData: ByteArray,
  ) {
    this.withLock {
      if (closed) throw IOException("closed")