.assertSentRequestAtMillis(request1SentAt, request1ReceivedAt)
      .assertReceivedResponseAtMillis(request1SentAt, request1ReceivedAt)

    // Check the network response. It has the caller's request, plus some caching headers.
    cacheHit.networkResponse()
      .assertCode(304)
      .assertHeader("Donut", "b")
      .assertRequestHeader("Accept-Language", "en-US")

      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!") }
        .build()