/** http://tools.ietf.org/html/draft-ietf-httpbis-http2-17#section-7 */
enum class ErrorCode constructor(
  val httpCode: Int,
) {
  /** Not an error!  */
  NO_ERROR(0),

  PROTOCOL_ERROR(1),

  INTERNAL_ERROR(2),

  FLOW_CONTROL_ERROR(3),

  SETTINGS_TIMEOUT(4),

  STREAM_CLOSED(5),

  FRAME_SIZE_ERROR(6),

  REFUSED_STREAM(7),

  CANCEL(8),

  COMPRESSION_ERROR(9),

    internal val reader: Http2Reader,
  ) : Http2Reader.Handler,
    () -> Unit {
    override fun invoke() {
      var connectionErrorCode = ErrorCode.INTERNAL_ERROR
      var streamErrorCode = ErrorCode.INTERNAL_ERROR
      var errorException: IOException? = null
      try {
        reader.readConnectionPreface(this)
        while (reader.nextFrame(false, this)) {
        }

  @ArgumentsSource(ProtocolParamProvider::class)
  fun recoverFromOneInternalErrorRequiresNewConnection(protocol: Protocol) {
    setUp(protocol)
    recoverFromOneHttp2ErrorRequiresNewConnection(ErrorCode.INTERNAL_ERROR)
  }

  @ParameterizedTest
  @ArgumentsSource(ProtocolParamProvider::class)
  fun recoverFromOneCancelRequiresNewConnection(protocol: Protocol) {
    setUp(protocol)