}
    CacheStats stats = counter.snapshot();
    int requestCount = 11 + 23;
    assertEquals(requestCount, stats.requestCount());
    assertEquals(11, stats.hitCount());
    assertThat(stats.hitRate()).isEqualTo(11.0 / requestCount);
    int missCount = 23;
    assertEquals(missCount, stats.missCount());
    assertThat(stats.missRate()).isEqualTo(((double) missCount) / requestCount);
    assertEquals(13, stats.loadSuccessCount());

import okhttp3.Protocol
import org.junit.rules.ExternalResource

class MockWebServer :
  ExternalResource(),
  Closeable {
  val delegate = mockwebserver3.MockWebServer()

  val requestCount: Int by delegate::requestCount

  var bodyLimit: Long by delegate::bodyLimit

  var serverSocketFactory: ServerSocketFactory? by delegate::serverSocketFactory

  var dispatcher: Dispatcher = QueueDispatcher()
    set(value) {

        corruptMetadata {
          // mess with cipher suite
          it.replace("TLS_", "SLT_")
        }
      }

    assertThat(response.body.string()).isEqualTo("ABC.1") // cached
    assertThat(cache.requestCount()).isEqualTo(2)
    assertThat(cache.networkCount()).isEqualTo(1)
    assertThat(cache.hitCount()).isEqualTo(1)

    assertThat(response.handshake!!.cipherSuite.javaName).startsWith("SLT_")
  }

  @Test

    mockWebServer.requireClientAuth()
    val request: RecordedRequest = mockWebServer.takeRequest()
    val nullableRequest: RecordedRequest? = mockWebServer.takeRequest(0L, TimeUnit.SECONDS)
    var requestCount: Int = mockWebServer.requestCount
    mockWebServer.enqueue(MockResponse())
    mockWebServer.start()
    mockWebServer.start(0)
    mockWebServer.start(InetAddress.getLocalHost(), 0)
    mockWebServer.shutdown()

        ),
      )

    assertFailsWith<IOException> {
      callA.execute()
    }.also { expected ->
      assertThat(expected).hasMessage("boom")
    }

    assertThat(server.requestCount).isEqualTo(0)

    // Confirm that the connection pool was not corrupted by making another call. This doesn't use
    // makeSimpleCall() because it uses the MockResponse enqueued above.