}

      val host = route.address.url.host
      if (!Platform.get().isCleartextTrafficPermitted(host)) {
        throw UnknownServiceException(
          "CLEARTEXT communication to $host not permitted by network security policy",
        )
      }
    } else {
      if (Protocol.H2_PRIOR_KNOWLEDGE in route.address.protocols) {
        throw UnknownServiceException("H2_PRIOR_KNOWLEDGE cannot be used with HTTPS")
      }

    System.runFinalization()
  }

  @JvmStatic
  fun assumeNetwork() {
    try {
      InetAddress.getByName("www.google.com")
    } catch (uhe: UnknownHostException) {
      assumeTrue(false, "requires network")
    }
  }

  @JvmStatic
  fun assumeNotWindows() {
    assumeFalse(windows, "This test fails on Windows.")
  }

  @JvmStatic
  val windows: Boolean

      .assertRequestUrl(server.url("/"))
      .assertSentRequestAtMillis(request1SentAt, request1ReceivedAt)
      .assertReceivedResponseAtMillis(request1SentAt, request1ReceivedAt)

    // Check the network response. It has the network request, plus caching headers.
    cacheMiss.networkResponse()
      .assertCode(200)
      .assertHeader("Donut", "b")

  @Test
  fun webSocketAndNetworkInterceptors() {
    client =
      client.newBuilder()
        .addNetworkInterceptor(
          Interceptor { chain: Interceptor.Chain? ->
            throw AssertionError() // Network interceptors don't execute.
          },
        )
        .build()
    webServer.enqueue(
      MockResponse.Builder()
        .webSocketUpgrade(serverListener)
        .build(),
    )

  fun receiveData(
    source: BufferedSource,
    length: Int,
  ) {
    lock.assertNotHeld()

    this.source.receive(source, length.toLong())
  }

  /** Accept headers from the network and store them until the client calls [takeHeaders]. */
  fun receiveHeaders(
    headers: Headers,
    inFinished: Boolean,
  ) {
    lock.assertNotHeld()

    val open: Boolean
    this.withLock {

    builder.networkInterceptors().addAll(listOf(null) as List<Interceptor>)
    assertFailsWith<IllegalStateException> {
      builder.build()
    }.also { expected ->
      assertThat(expected.message).isEqualTo("Null network interceptor: [null]")
    }
  }

  @Test fun testH2PriorKnowledgeOkHttpClientConstructionFallback() {
    assertFailsWith<IllegalArgumentException> {
      OkHttpClient.Builder()

    val noTransform: Boolean = cacheControl.noTransform
    val immutable: Boolean = cacheControl.immutable
    val forceCache: CacheControl = CacheControl.FORCE_CACHE
    val forceNetwork: CacheControl = CacheControl.FORCE_NETWORK
    val parse: CacheControl = CacheControl.parse(headersOf())
  }

  @Test
  fun cacheControlBuilder() {
    var builder: CacheControl.Builder = CacheControl.Builder()
    builder = builder.noCache()

        "A", "a1", "B", "b2", "B", "b3", "Content-Length", "4",
      ),
    )

    // The original 'A' header is retained because the network response doesn't have one.
    // The original 'B' headers are replaced by the network response.
    // The network's 'C' header is added.
    val response2 = get(server.url("/"))
    assertThat(response2.body.string()).isEqualTo("abcd")

   * response code like 404 or 500.
   *
   * @throws IOException if the request could not be executed due to cancellation, a connectivity
   *     problem or timeout. Because networks can fail during an exchange, it is possible that the
   *     remote server accepted the request before the failure.
   * @throws IllegalStateException when the call has already been executed.
   */
  @Throws(IOException::class)

import okhttp3.internal.toHostHeader
import okio.GzipSource
import okio.buffer

/**
 * Bridges from application code to network code. First it builds a network request from a user
 * request. Then it proceeds to call the network. Finally it builds a user response from the network
 * response.
 */
class BridgeInterceptor(private val cookieJar: CookieJar) : Interceptor {
  @Throws(IOException::class)