*
 * Read https://community.letsencrypt.org/t/mobile-client-workarounds-for-isrg-issue/137807
 * for background.
 */
@RunWith(AndroidJUnit4.class)
public class LetsEncryptTest {
  @Test public void getFailsWithoutAdditionalCert() throws IOException {
    OkHttpClient client = new OkHttpClient();

    boolean androidMorEarlier = Build.VERSION.SDK_INT <= 23;
    try {
      sendRequest(client, "https://valid-isrgrootx1.letsencrypt.org/robots.txt");

    client.newWebSocket(newRequest("http://a/2"), webSocketListener)
    client.newWebSocket(newRequest("http://a/3"), webSocketListener)
    executor.assertJobs("http://a/1", "http://a/2", "http://a/3")
  }

  @Test
  fun increasingMaxRequestsPromotesJobsImmediately() {
    dispatcher.maxRequests = 2
    client.newCall(newRequest("http://a/1")).enqueue(callback)
    client.newCall(newRequest("http://b/1")).enqueue(callback)

    val request = Request.Builder().url(server.url("/")).build()

    client.newCall(request).execute().use { response ->
      assertEquals(200, response.code)
    }

    client.connectionPool.evictAll()
    assertEquals(0, client.connectionPool.connectionCount())

    client.newCall(request).execute().use { response ->
      assertEquals(200, response.code)
    }

      .build()

  @JvmStatic
  fun providers(
    client: OkHttpClient,
    http2Only: Boolean,
    workingOnly: Boolean,
    getOnly: Boolean,
  ): List<DnsOverHttps> =
    buildList {
      add(buildGoogle(client))
      if (!getOnly) {
        add(buildGooglePost(client))
      }
      add(buildCloudflare(client))
      add(buildCloudflareIp(client))
      if (!getOnly) {

    val request =
      Request
        .Builder()
        .header("Authorization", "Client-ID $IMGUR_CLIENT_ID")
        .url("https://api.imgur.com/3/image")
        .post(ProgressRequestBody(requestBody, progressListener))
        .build()

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

        .message("Intercepted!")
        .body("abc".toResponseBody("text/plain; charset=utf-8".toMediaType()))
        .build()
    client =
      client
        .newBuilder()
        .addInterceptor(Interceptor { chain: Interceptor.Chain? -> interceptorResponse })
        .build()
    val response = client.newCall(request).execute()
    assertThat(response).isSameInstanceAs(interceptorResponse)
  }

  @Test

      ),
    )
    server!!.enqueue(MockResponse())
    val dns = FakeDns()
    dns["fakeurl"] = client.dns.lookup(server!!.hostName)
    dns["www.fakeurl"] = client.dns.lookup(server!!.hostName)
    client =
      client
        .newBuilder()
        .dns(dns)
        .build()
    val call =
      client.newCall(
        Request
          .Builder()
          .url("http://fakeurl:" + server!!.port)

        .code(401)
        .build(),
    )
    newEventSource()
    listener.assertFailure(null)
  }

  @Test
  fun fullCallTimeoutDoesNotApplyOnceConnected() {
    client =
      client
        .newBuilder()
        .callTimeout(250, TimeUnit.MILLISECONDS)
        .build()
    server.enqueue(
      MockResponse
        .Builder()
        .bodyDelay(500, TimeUnit.MILLISECONDS)

public final class PostMultipart {
  /**
   * The imgur client ID for OkHttp recipes. If you're using imgur for anything other than running
   * these examples, please request your own client ID! https://api.imgur.com/oauth2
   */
  private static final String IMGUR_CLIENT_ID = "9199fdef135c122";
  private static final MediaType MEDIA_TYPE_PNG = MediaType.get("image/png");

  private final OkHttpClient client = new OkHttpClient();

  private final OkHttpClient client;
  private final Set<HttpUrl> fetchedUrls = Collections.synchronizedSet(new LinkedHashSet<>());
  private final BlockingQueue<HttpUrl> queue;
  private final ConcurrentHashMap<String, AtomicInteger> hostnames = new ConcurrentHashMap<>();
  private final int hostLimit;

  public Crawler(OkHttpClient client, int queueLimit, int hostLimit) {
    this.client = client;