body = "ABC.2",
      ),
    )
    client =
      client
        .newBuilder()
        .sslSocketFactory(
          handshakeCertificates.sslSocketFactory(),
          handshakeCertificates.trustManager,
        ).hostnameVerifier(nullHostnameVerifier)
        .build()
    val request = Request(server.url("/"))
    val response1: Response = client.newCall(request).execute()

        .newClientBuilder()
        .fastFallback(false) // Avoid data races.
        .dns(dns)
        .sslSocketFactory(
          handshakeCertificates.sslSocketFactory(),
          handshakeCertificates.trustManager,
        ).build()
    val serverHandshakeCertificates =
      HandshakeCertificates
        .Builder()
        .heldCertificate(certificate)
        .build()

     * sslContext.init(null, new TrustManager[] { trustManager }, null);
     * SSLSocketFactory sslSocketFactory = sslContext.getSocketFactory();
     *
     * OkHttpClient client = new OkHttpClient.Builder()
     *     .sslSocketFactory(sslSocketFactory, trustManager)
     *     .build();
     * ```
     *
     * ## TrustManagers on Android are Weird!
     *

    val anotherClient =
      client
        .newBuilder()
        .sslSocketFactory(
          handshakeCertificates2.sslSocketFactory(),
          handshakeCertificates2.trustManager,
        ).build()

    // This client fails to connect because the new SSL socket factory refuses.
    assertFailsWith<IOException> {
      anotherClient.newCall(request).execute()
    }.also { expected ->

      "Unexpected default trust managers: ${trustManagers.contentToString()}"
    }
    return trustManagers[0] as X509TrustManager
  }

  override fun trustManager(sslSocketFactory: SSLSocketFactory): X509TrustManager =
    throw UnsupportedOperationException(
      "clientBuilder.sslSocketFactory(SSLSocketFactory) not supported with BouncyCastle",
    )

  }

  @Test
  fun equalsFromTrustManager() {
    val handshakeCertificates = HandshakeCertificates.Builder().build()
    val x509TrustManager = handshakeCertificates.trustManager
    assertThat(get(x509TrustManager)).isEqualTo(get(x509TrustManager))
  }

  @Test
  fun normalizeSingleSelfSignedCertificate() {
    val root =
      HeldCertificate
        .Builder()

  @Test
  fun handshakeCertificates() {
    val handshakeCertificates = HandshakeCertificates.Builder().build()
    val keyManager: X509KeyManager = handshakeCertificates.keyManager
    val trustManager: X509TrustManager = handshakeCertificates.trustManager
    val sslSocketFactory: SSLSocketFactory = handshakeCertificates.sslSocketFactory()
    val sslContext: SSLContext = handshakeCertificates.sslContext()
  }

  @Test

      "Unexpected default trust managers: ${trustManagers.contentToString()}"
    }
    return trustManagers[0] as X509TrustManager
  }

  override fun trustManager(sslSocketFactory: SSLSocketFactory): X509TrustManager =
    throw UnsupportedOperationException(
      "clientBuilder.sslSocketFactory(SSLSocketFactory) not supported with OpenJSSE",
    )

            ConnectionSpec.RESTRICTED_TLS,
            ConnectionSpec.MODERN_TLS,
          ),
        ).sslSocketFactory(
          suppressTlsFallbackClientSocketFactory(),
          handshakeCertificates.trustManager,
        ).build()
    executeSynchronously("/").assertBody("abc")
  }

  @Test
  fun recoverFromTlsHandshakeFailure_tlsFallbackScsvEnabled() {
    platform.assumeNotConscrypt()

      }
    } catch (e: UnsupportedOperationException) {
      // https://docs.oracle.com/javase/9/docs/api/javax/net/ssl/SSLSocket.html#getApplicationProtocol--
      null
    }

  override fun trustManager(sslSocketFactory: SSLSocketFactory): X509TrustManager? {
    // Not supported due to access checks on JDK 9+:
    // java.lang.reflect.InaccessibleObjectException: Unable to make member of class