}

  @Test
  fun get() {
    assumeNotWindows()
    server.enqueue(
      MockResponse.Builder()
        .body("Hello!")
        .setHeader("Content-Type", PLAIN)
        .build(),
    )
    val response = client.newCall(request().build()).execute()
    assertThat(response.body).isNotNull()
    response.body.bytes()
    logRecorder
      .assertLogMatch(Regex("""callStart: Request\{method=GET, url=$url\}"""))

    val header: String? = recordedRequest.getHeader("")
    var chunkSizes: List<Int> = recordedRequest.chunkSizes
    var bodySize: Long = recordedRequest.bodySize
    var body: Buffer = recordedRequest.body
    var utf8Body: String = recordedRequest.body.readUtf8()
    var sequenceNumber: Int = recordedRequest.sequenceNumber
    var tlsVersion: TlsVersion? = recordedRequest.tlsVersion

      url = "https://cash.app/".toHttpUrl(),
    )
    ```

 *  New: `Response.body` is now non-null. This was generally the case in OkHttp 4.x, but the Kotlin
    type declaration was nullable to support rare cases like the body on `Response.cacheResponse`,
    `Response.networkResponse`, and `Response.priorResponse`. In such cases the body is now
    non-null, but attempts to read its content will fail.

    assertThat(recordedRequest.path)
      .isEqualTo("/lookup?ct&dns=AAABAAABAAAAAAAABmdvb2dsZQNjb20AAAEAAQ")
  }

  private fun dnsResponse(s: String): MockResponse {
    return MockResponse.Builder()
      .body(Buffer().write(s.decodeHex()))
      .addHeader("content-type", "application/dns-message")
      .addHeader("content-length", s.length / 2)
      .build()
  }

  private fun buildLocalhost(

    }
  }
}

/**
 * Attempts to exhaust this, returning true if successful. This is useful when reading a complete
 * source is helpful, such as when doing so completes a cache body or frees a socket connection for
 * reuse.
 */
internal fun Source.discard(
  timeout: Int,
  timeUnit: TimeUnit,
): Boolean =
  try {
    this.skipAll(timeout, timeUnit)
  } catch (_: IOException) {

      override fun matches(header: DerHeader): Boolean = true

      override fun toDer(
        writer: DerWriter,
        value: Any?,
      ) {
        // If we don't understand this hint, encode the body as a byte string. The byte string
        // will include a tag and length header as a prefix.
        val adapter = chooser(writer.typeHint) as DerAdapter<Any?>?
        when {

  }

  @Test fun nullDefaultProxySelector() {
    server!!.enqueue(MockResponse(body = "abc"))
    ProxySelector.setDefault(null)
    val client = clientTestRule.newClient()
    val request = Request(server!!.url("/"))
    val response = client.newCall(request).execute()
    assertThat(response.body.string()).isEqualTo("abc")
  }

  @Test fun sslSocketFactorySetAsSocketFactory() {

   *     Corresponds to `FLAG_FIN`.
   * @param flushHeaders true to force flush the response headers. This should be true unless the
   *     response body exists and will be written immediately.
   */
  @Throws(IOException::class)
  fun writeHeaders(
    responseHeaders: List<Header>,
    outFinished: Boolean,
    flushHeaders: Boolean,
  ) {

    while (!closed) {
      readHeader()
      if (!isControlFrame) {
        break
      }
      readControlFrame()
    }
  }

  /**
   * Reads a message body into across one or more frames. Control frames that occur between
   * fragments will be processed. If the message payload is masked this will unmask as it's being
   * processed.
   */
  @Throws(IOException::class)

    try {
      if (this.launch != CommandLine) {
        println(request.url)
      }

      client.newCall(request)
        .execute()
        .use {
          val firstLine =
            it.body.string()
              .lines()
              .first()
          if (this.launch != CommandLine) {
            println("${it.code} ${it.request.url.host} $firstLine")
          }
          Unit
        }