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)) {
        }

        "5cb384cd0912aeb5b5dd9555f2dd1a9b20688201"

    val response =
      response("https://httpbin.org/brotli", s.decodeHex()) {
        header("Content-Encoding", "br")
      }

    val uncompressed = uncompress(response)

    val responseString = uncompressed.body.string()
    assertThat(responseString).contains("\"brotli\": true,")

    private class PushObserverCancel : PushObserver {
      override fun onRequest(
        streamId: Int,
        requestHeaders: List<Header>,
      ): Boolean {
        return true
      }

      override fun onHeaders(
        streamId: Int,
        responseHeaders: List<Header>,
        last: Boolean,
      ): Boolean {
        return true
      }

      @Throws(IOException::class)

        .request(request)
        .code(401)
        .header("WWW-Authenticate", "Basic realm=\"User Visible Realm\"")
        .protocol(HTTP_2)
        .message("Unauthorized")
        .build()
    val authRequest = authenticator.authenticate(route, response)

    assertEquals(
      "Basic ${RecordingAuthenticator.BASE_64_CREDENTIALS}",
      authRequest!!.header("Authorization"),
    )
  }

  @Test

      }
    return apply { status = "HTTP/1.1 $code $reason" }
  }

  fun clearHeaders() =
    apply {
      headersBuilder = Headers.Builder()
    }

  fun addHeader(header: String) =
    apply {
      headersBuilder.add(header)
    }

  fun addHeader(
    name: String,
    value: Any,
  ) = apply {
    headersBuilder.add(name, value.toString())
  }

  fun addHeaderLenient(

    userResponse: Response,
    defaultDelay: Int,
  ): Int {
    val header = userResponse.header("Retry-After") ?: return defaultDelay

    // https://tools.ietf.org/html/rfc7231#section-7.1.3
    // currently ignores a HTTP-date, and assumes any non int 0 is a delay
    if (header.matches("\\d+".toRegex())) {
      return Integer.valueOf(header)
    }
    return Integer.MAX_VALUE
  }

  companion object {

import okio.Buffer
import okio.FileSystem
import okio.Path.Companion.toPath

class StringprepTablesReaderTest {
  @Test fun readRfc3491FromResources() {
    val reader = StringprepTablesReader(FileSystem.RESOURCES)
    val nameprep = reader.readNameprep("/okhttp3/internal/idn".toPath())
    assertThat((nameprep.unassigned as RangeListCodePointSet).ranges).hasSize(396)

    val proxyConnectRequest =
      Request.Builder()
        .url(route.address.url)
        .method("CONNECT", null)
        .header("Host", route.address.url.toHostHeader(includeDefaultPort = true))
        .header("Proxy-Connection", "Keep-Alive") // For HTTP/1.0 proxies like Squid.
        .header("User-Agent", USER_AGENT)
        .build()

    val fakeAuthChallengeResponse =
      Response.Builder()

      fun create(
        headers: Headers?,
        body: RequestBody,
      ): Part {
        require(headers?.get("Content-Type") == null) { "Unexpected header: Content-Type" }
        require(headers?.get("Content-Length") == null) { "Unexpected header: Content-Length" }
        return Part(headers, body)
      }

      @JvmStatic
      fun createFormData(
        name: String,
        value: String,

    server.enqueue(MockResponse(code = 204))

    val endpointUrl = server.url("/endpoint")

    var request =
      Request.Builder()
        .url(endpointUrl)
        .header("Content-Type", "application/xml")
        .put(ValidRequestBody())
        .build()
    client.newCall(request).execute().use {
      assertEquals(201, it.code)
    }

    request =