val source1 = relay.newSource()!!.buffer()
    val source2 = relay.newSource()!!.buffer()
    assertThat(source1.readUtf8(5)).isEqualTo("abcde")
    assertThat(source2.readUtf8(5)).isEqualTo("abcde")
    assertThat(source2.readUtf8(5)).isEqualTo("fghij")
    assertThat(source1.readUtf8(5)).isEqualTo("fghij")
    assertThat(source1.exhausted()).isTrue()
    assertThat(source2.exhausted()).isTrue()
    source1.close()

        return null
      }

      if (dot < limit) {
        result.writeByte('.'.code)
        pos = dot + 1
      } else {
        break
      }
    }

    return result.readUtf8()
  }

  private fun encodeLabel(
    string: String,
    pos: Int,
    limit: Int,
    result: Buffer,
  ): Boolean {
    if (!string.requiresEncode(pos, limit)) {

    testRequest {
      val url = URI(mockServer.endpoint + "/person?name=peter").toURL()

      val connection = url.openConnection() as HttpURLConnection

      assertThat(connection.inputStream.source().buffer().readUtf8()).contains("Peter the person")
    }
  }

  @Test
  fun testUrlConnectionPlaintextProxied() {
    testRequest {
      val proxy =
        Proxy(
          Proxy.Type.HTTP,

    assertThat(recordedRequest1.method).isEqualTo("POST")
    assertThat(recordedRequest1.body.readUtf8()).isEqualTo(body)
    assertThat(recordedRequest1.headers["Authorization"]).isNull()
    val recordedRequest2 = server.takeRequest()
    assertThat(recordedRequest2.method).isEqualTo("POST")
    assertThat(recordedRequest2.body.readUtf8()).isEqualTo(body)
    assertThat(recordedRequest2.headers["Authorization"]).isEqualTo(credential)
  }

            info: UrlResponseInfo,
          ) {
            println("onSucceeded ${info.headers.asMap}")
            completableFuture.complete(Response(info.httpStatusCode, info.negotiatedProtocol, buffer.readUtf8()))
          }

          override fun onFailed(
            request: UrlRequest,
            info: UrlResponseInfo?,
            error: HttpException,
          ) {

        ianaSuites.fromJavaName(it.javaName)
      },
  )
}

fun historicOkHttp(version: String): Client {
  val enabled =
    FileSystem.RESOURCES.read("okhttp_$version.txt".toPath()) {
      this.readUtf8().lines().filter { it.isNotBlank() }.map {
        SuiteId(id = null, name = it.trim())
      }
    }
  return Client(
    userAgent = "OkHttp",
    version = version,
    enabled = enabled,
  )
}

    val response1 = call1.execute()
    val response2 = call2.execute()
    assertThat(response1.body.source().readUtf8(3)).isEqualTo("ABC")
    assertThat(response2.body.source().readUtf8(3)).isEqualTo("GHI")
    assertThat(response1.body.source().readUtf8(3)).isEqualTo("DEF")
    assertThat(response2.body.source().readUtf8(3)).isEqualTo("JKL")
    assertThat(server.takeRequest().sequenceNumber).isEqualTo(0)

          InetAddress.getByAddress(fromSource.readByteArray(4L))
        }

        ADDRESS_TYPE_DOMAIN_NAME -> {
          val domainNameLength: Int = fromSource.readByte() and 0xff
          val domainName = fromSource.readUtf8(domainNameLength.toLong())
          // Resolve HOSTNAME_THAT_ONLY_THE_PROXY_KNOWS to localhost.
          when {
            domainName.equals(HOSTNAME_THAT_ONLY_THE_PROXY_KNOWS, ignoreCase = true) -> {

    val response1 = client.newCall(request).execute()
    val in1 = response1.body.source()
    assertThat(in1.readUtf8("I love ".length.toLong())).isEqualTo("I love ")
    in1.skip("puppies but hate ".length.toLong())
    assertThat(in1.readUtf8("spiders".length.toLong())).isEqualTo("spiders")
    assertThat(in1.exhausted()).isTrue()
    in1.close()
    assertThat(cache.writeSuccessCount()).isEqualTo(1)

  ) = cacheDir / "$key.$index.tmp"

  private fun readFile(file: Path): String {
    return filesystem.read(file) {
      readUtf8()
    }
  }

  private fun readFileOrNull(file: Path): String? {
    return try {
      filesystem.read(file) {
        readUtf8()
      }
    } catch (_: FileNotFoundException) {
      null
    }
  }

  fun writeFile(
    file: Path,