handshakeCertificates.trustManager,
        ).dns(dns)
        .build()

    server.enqueue(MockResponse())

    val url =
      server
        .url("/")
        .newBuilder()
        .host("localhost.localdomain")
        .build()
    val call = client.newCall(Request(url = url))
    val response = call.execute()
    assertThat(response.isSuccessful).isTrue()

  }

  @Test
  fun upgradeWithEmptyRequestBody() {
    executeAndCheckUpgrade(upgradeRequest().newBuilder().post(RequestBody.EMPTY).build())
  }

  @Test
  fun upgradeWithNonEmptyRequestBody() {
    executeAndCheckUpgrade(
      upgradeRequest()
        .newBuilder()
        .post("Hello".toRequestBody())
        .build(),
    )
  }

  @Test
  fun upgradeHttps() {

 * This interface represents a single node in an XML document tree, containing information about
 * the node's name, value, attributes, and child nodes.
 *
 * <p>Example usage:</p>
 * <pre>
 * XmlNode node = XmlNode.newBuilder()
 *     .name("configuration")
 *     .attribute("version", "1.0")
 *     .child(XmlNode.newInstance("property", "value"))
 *     .build();
 * </pre>
 *
 * @since 4.0.0
 */
@Experimental
@ThreadSafe

      response =
        when {
          // This is an HTTP/1 upgrade. (This case includes web socket upgrades.)
          isUpgradeRequest && isUpgradeResponse -> {
            response
              .newBuilder()
              .body(
                UnreadableResponseBody(
                  response.body.contentType(),
                  response.body.contentLength(),
                ),

      if (!strong) {
        mapMaker.weakKeys();
      }
      return new InternerImpl<>(mapMaker);
    }
  }

  /** Returns a fresh {@link InternerBuilder} instance. */
  public static InternerBuilder newBuilder() {
    return new InternerBuilder();
  }

  /**
   * Returns a new thread-safe interner which retains a strong reference to each instance it has

          sslSocket.sslParameters = parameters
        }

        return sslSocket
      }
    }

    client =
      client
        .newBuilder()
        .sslSocketFactory(CustomSSLSocketFactory(client.sslSocketFactory), client.x509TrustManager!!)
        .hostnameVerifier { hostname, session ->
          val s = "hostname: $hostname peerHost:${session.peerHost}"

          sslSocket.apply {
            if (reuseSession) {
              this.enableSessionCreation = false
            }
          }
      }

    client =
      client
        .newBuilder()
        .connectionSpecs(listOf(spec))
        .eventListenerFactory(
          clientTestRule.wrap(
            object : EventListener() {
              override fun connectionAcquired(
                call: Call,

        .dns { dnsResults }
        .fastFallback(true)
        .build()
    url =
      serverIpv4
        .url("/")
        .newBuilder()
        .host("localhost")
        .build()
  }

  @AfterEach
  internal fun tearDown() {
    serverIpv4.close()
    serverIpv6.close()
  }

  @Test

    @Override public Response intercept(Chain chain) throws IOException {
      Request request = chain.request();
      Headers newHeaders = request.headers()
          .newBuilder()
          .add("Date", new Date())
          .build();
      Request newRequest = request.newBuilder()
          .headers(newHeaders)
          .build();
      return chain.proceed(newRequest);
    }
  }

  }

  @Test
  fun testRequestExternal() {
    assumeNetwork()

    val request = Request("https://www.google.com/robots.txt".toHttpUrl())

    val networkRequest =
      request
        .newBuilder()
        .build()

    val call = client.newCall(networkRequest)

    call.execute().use { response ->
      assertThat(response.code).isEqualTo(200)
      assertThat(response.cacheResponse).isNull()
    }