assertThat(response2.handshake!!.cipherSuite).isEqualTo(
      response1.handshake!!.cipherSuite,
    )
  }

  /**
   * We've had bugs where caching and cross-protocol redirects yield class cast exceptions internal
   * to the cache because we incorrectly assumed that HttpsURLConnection was always HTTPS and
   * HttpURLConnection was always HTTP; in practice redirects mean that each can do either.
   *

    assertFailsWith<UnsupportedOperationException> {
      client.newBuilder()
        .sslSocketFactory(handshakeCertificates.sslSocketFactory())
    }
  }

  /** Confirm that runtime exceptions thrown inside of OkHttp propagate to the caller.  */
  @Test
  fun unexpectedExceptionSync() {
    client =
      client.newBuilder()
        .dns { hostname: String? -> throw RuntimeException("boom!") }

    client =
      client.newBuilder()
        .addInterceptor(
          Interceptor { chain: Interceptor.Chain ->
            chain.proceed(chain.request())
            throw AssertionError() // We expect an exception.
          },
        )
        .build()
    val call = client.newCall(Request(server.url("/a")))
    call.cancel()
    assertFailsWith<IOException> {
      call.execute()
    }