val responseBody = response.body!!
      val contentLength = responseBody.contentLength()
      val bodySize = if (contentLength != -1L) "$contentLength-byte" else "unknown-length"
      logger.log(
        buildString {
          append("<-- ${response.code}")
          if (response.message.isNotEmpty()) append(" ${response.message}")

    assertThat(closed.get()).isTrue()
  }

  @Test
  fun unicodeTextWithUnsupportedEncoding() {
    val text = "eile oli oliiviõli"
    val body = text.toResponseBody("text/plain; charset=unknown".toMediaType())
    assertThat(body.string()).isEqualTo(text)
  }

  companion object {
    @JvmOverloads
    fun body(
      hex: String,
      charset: String? = null,
    ): ResponseBody {

    assertThat(httpUrl.toString())
      .isEqualTo("http://username:password@host/path?query#fragment")
  }

  @Test
  fun fromJavaNetUrlUnsupportedScheme() {
    // java.net.MalformedURLException: unknown protocol: mailto
    platform.assumeNotAndroid()

    // Accessing an URL protocol that was not enabled. The URL protocol mailto is not tested and

  fun unknownParameters() {
    assertThat(parse("permessage-deflate; unknown"))
      .isEqualTo(WebSocketExtensions(perMessageDeflate = true, unknownValues = true))
    assertThat(parse("permessage-deflate; unknown_parameter=15"))
      .isEqualTo(WebSocketExtensions(perMessageDeflate = true, unknownValues = true))
    assertThat(parse("permessage-deflate; unknown_parameter=15; unknown_parameter=15"))

    assertThat(CertificateAdapters.extension.toDer(extension))
      .isEqualTo(bytes)
    assertThat(CertificateAdapters.extension.fromDer(bytes))
      .isEqualTo(extension)
  }

  @Test fun `extension with unknown type hint`() {
    val extension =
      Extension(
        // common name is not an extension.
        COMMON_NAME,
        false,
        "3006800109810109".decodeHex(),
      )

    when (val jvmSpecVersion = getJvmSpecVersion()) {
      "1.8" -> 8
      else -> jvmSpecVersion.toInt()
    }
  }

  fun getJvmSpecVersion(): String {
    return System.getProperty("java.specification.version", "unknown")
  }

      )
      request.isChunked -> newChunkedSink() // Stream a request body of unknown length.
      contentLength != -1L -> newKnownLengthSink() // Stream a request body of a known length.
      else -> // Stream a request body of a known length.
        throw IllegalStateException(
          "Cannot stream a request body without chunked encoding or a known content length!",
        )
    }
  }

  override fun cancel() {

    applicationLogs
      .assertLogEqual("--> GET $url")
      .assertLogMatch(Regex("""<-- 200 OK $url \(\d+ms, unknown-length body\)"""))
      .assertNoMoreLogs()
    networkLogs
      .assertLogEqual("--> GET $url http/1.1")
      .assertLogMatch(Regex("""<-- 200 OK $url \(\d+ms, unknown-length body\)"""))
      .assertNoMoreLogs()
  }

  @Test
  fun headersGet() {
    setLevel(Level.HEADERS)

 * called by readers.
 */
@ExperimentalOkHttpApi
interface MockResponseBody {
  /** The length of this response in bytes, or -1 if unknown. */
  val contentLength: Long

  @Throws(IOException::class)
  fun writeTo(sink: BufferedSink)

        return method.invoke(this, *callArgs)
      }
    }
  }

  companion object {
    fun buildIfSupported(): Platform? {
      val jvmVersion = System.getProperty("java.specification.version", "unknown")
      try {
        // 1.8, 9, 10, 11, 12 etc
        val version = jvmVersion.toInt()
        if (version >= 9) return null
      } catch (_: NumberFormatException) {
        // expected on >= JDK 9
      }