)
    client =
      client.newBuilder()
        .protocols(Arrays.asList(Protocol.HTTP_1_1))
        .build()
    assertContent("A", getResponse(newRequest("/")))
  }

  @Test
  fun setProtocolsWithoutHttp11() {
    assertFailsWith<IllegalArgumentException> {
      OkHttpClient.Builder()
        .protocols(Arrays.asList(Protocol.HTTP_2))
    }
  }

  @Test

```java
OkHttpClient client = new OkHttpClient.Builder()
    .connectionSpecs(Arrays.asList(ConnectionSpec.MODERN_TLS, ConnectionSpec.COMPATIBLE_TLS))
    .build();
```

aridagawa.wakayama.jp arita.saga.jp arkhangelsk.su armenia.su army arna.no arpa arq.br art art.br art.do art.dz art.ht art.museum art.pl art.sn artanddesign.museum artcenter.museum artdeco.museum arte arte.bo arteducation.museum artgallery.museum arts.co arts.museum arts.nf arts.ro arts.ve artsandcrafts.museum arvo.network as as.us asago.hyogo.jp asahi.chiba.jp asahi.ibaraki.jp asahi.mie.jp asahi.nagano.jp asahi.toyama.jp asahi.yamagata.jp asahikawa.hokkaido.jp asaka.saitama.jp asakawa.fukushima.jp asakuchi.okayama.jp...

is-a-socialist.com
is-a-soxfan.org
is-a-student.com
is-a-teacher.com
is-a-techie.com
is-a-therapist.com
is-an-accountant.com
is-an-actor.com
is-an-actress.com
is-an-anarchist.com
is-an-artist.com
is-an-engineer.com
is-an-entertainer.com
is-by.us
is-certified.com
is-found.org
is-gone.com
is-into-anime.com
is-into-cars.com
is-into-cartoons.com
is-into-games.com

        .build()
    assert200Http2Response(execute(url), server.hostName)
    val sanUrl = url.newBuilder().host("san.com").build()
    dns["san.com"] =
      Arrays.asList(
        InetAddress.getByAddress("san.com", byteArrayOf(0, 0, 0, 0)),
        serverIps[0],
      )
    assert200Http2Response(execute(sanUrl), "san.com")

    val request = server.takeRequest()
    assertThat(request.body.readUtf8()).isEqualTo("request")
  }

  @Test
  fun testH2PriorKnowledgeServerFallback() {
    try {
      server.protocols = Arrays.asList(Protocol.H2_PRIOR_KNOWLEDGE, Protocol.HTTP_1_1)
      fail<Any>()
    } catch (expected: IllegalArgumentException) {
      assertThat(expected.message).isEqualTo(

        newKeyManager(
          null,
          serverCert,
          serverIntermediateCa.certificate,
        )
      val trustManager =
        newTrustManager(
          null,
          Arrays.asList(serverRootCa.certificate, clientRootCa.certificate),
          emptyList(),
        )
      val sslContext = SSLContext.getInstance("TLS")
      sslContext.init(
        arrayOf<KeyManager>(keyManager),

import javax.net.ssl.X509TrustManager;
import okhttp3.CipherSuite;
import okhttp3.ConnectionSpec;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Response;

import static java.util.Arrays.asList;

public final class CustomCipherSuites {
  private final OkHttpClient client;

  public CustomCipherSuites() throws GeneralSecurityException {

   */
  @Test
  @Throws(Exception::class)
  fun webSocketConnectionIsReleased() {
    // This test assumes HTTP/1.1 pooling semantics.
    client =
      client.newBuilder()
        .protocols(Arrays.asList(Protocol.HTTP_1_1))
        .build()
    webServer.enqueue(
      MockResponse.Builder()
        .code(HttpURLConnection.HTTP_NOT_FOUND)
        .body("not found!")
        .build(),
    )

  ) {
    setUp(protocol, mockWebServer)
    val responseDequeuedLatches =
      Arrays.asList(
        CountDownLatch(1),
        // No synchronization for the last request, which is not canceled:
        CountDownLatch(1),
        CountDownLatch(0),
      )
    val requestCanceledLatches =
      Arrays.asList(
        CountDownLatch(1),
        CountDownLatch(1),
        CountDownLatch(0),
      )