private val client = OkHttpClient()

  fun run() {
    val request =
      Request
        .Builder()
        .url("http://publicobject.com/helloworld.txt")
        .build()

    client.newCall(request).enqueue(
      object : Callback {
        override fun onFailure(
          call: Call,
          e: IOException,
        ) {
          e.printStackTrace()
        }

        override fun onResponse(

        .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()

    val recordedRequest = server.takeRequest()
    // https://github.com/bcgit/bc-java/issues/1773

  @ArgumentsSource(CancelModelParamProvider::class)
  fun cancelWritingRequestBody(mode: Pair<CancelMode, ConnectionType>) {
    setUp(mode)
    server.enqueue(MockResponse())
    val call =
      client.newCall(
        Request(
          url = server.url("/"),
          body =
            object : RequestBody() {
              override fun contentType(): MediaType? = null

              @Throws(

    Request request = new Request.Builder()
        .url("https://api.github.com/markdown/raw")
        .post(RequestBody.create(file, MEDIA_TYPE_MARKDOWN))
        .build();

    try (Response response = client.newCall(request).execute()) {
      if (!response.isSuccessful()) throw new IOException("Unexpected code " + response);

      System.out.println(response.body().string());
    }
  }

      .Builder()
      .sslSocketFactory(clientCertificates.sslSocketFactory(), clientCertificates.trustManager)
      .build()

  fun run() {
    try {
      val request = Request(server.url("/"))

      client.newCall(request).execute().use { response ->
        if (!response.isSuccessful) throw IOException("Unexpected code $response")

        println(response.request.url)
      }
    } finally {
      server.shutdown()
    }

  fun run() {
    val request =
      Request
        .Builder()
        .url("https://api.github.com/gists/c2a7c39532239ff261be")
        .build()
    client.newCall(request).execute().use { response ->
      if (!response.isSuccessful) throw IOException("Unexpected code $response")

      val gist = gistJsonAdapter.fromJson(response.body!!.source())

    .build();

System.out.println("REQUEST 1 (new connection)");
try (Response response = client.newCall(request).execute()) {
  // Consume and discard the response body.
  response.body().source().readByteString();
}

System.out.println("REQUEST 2 (pooled connection)");
try (Response response = client.newCall(request).execute()) {
  // Consume and discard the response body.
  response.body().source().readByteString();
}

      ).build()

  fun run() {
    val request =
      Request
        .Builder()
        .url("http://publicobject.com/helloworld.txt")
        .build()

    val response1Body =
      client.newCall(request).execute().use {
        if (!it.isSuccessful) throw IOException("Unexpected code $it")

        println("Response 1 response:          $it")
        println("Response 1 cache response:    ${it.cacheResponse}")

  }

  @Test
  fun testNewCall() {
    Platform.resetForTests()

    val client = OkHttpClient()

    applyStrictMode()

    // Safe on main
    client.newCall(Request("https://google.com/robots.txt".toHttpUrl()))

    assertThat(violations).isEmpty()
  }

  private fun applyStrictMode() {
    StrictMode.setThreadPolicy(
      ThreadPolicy
        .Builder()

  }

  private void sendRequest(OkHttpClient client, String url) throws IOException {
    Request request = new Request.Builder()
            .url(url)
            .build();
    try (Response response = client.newCall(request).execute()) {
      assertTrue(response.code() == 200 || response.code() == 404);
      assertEquals(Protocol.HTTP_2, response.protocol());

      for (Certificate c: response.handshake().peerCertificates()) {