assertThat(response.code).isEqualTo(200)
    assertThat(response.message).isEqualTo("Fantastic")
    val responseHeaders = response.headers
    assertThat(LinkedHashSet(responseHeaders.values("A"))).isEqualTo(newSet("c", "e"))
    assertThat(LinkedHashSet(responseHeaders.values("a"))).isEqualTo(newSet("c", "e"))
    assertThat(responseHeaders.name(0)).isEqualTo("A")
    assertThat(responseHeaders.value(0)).isEqualTo("c")

    assertThat(get(server.url("/")).body.string()).isEqualTo("A")
    assertThat(cache.requestCount()).isEqualTo(1)
    assertThat(cache.networkCount()).isEqualTo(1)
    assertThat(cache.hitCount()).isEqualTo(0)
    assertThat(get(server.url("/")).body.string()).isEqualTo("B")
    assertThat(get(server.url("/")).body.string()).isEqualTo("C")
    assertThat(cache.requestCount()).isEqualTo(3)
    assertThat(cache.networkCount()).isEqualTo(3)

    val response = client.newCall(request).execute()
    assertThat(response.code).isEqualTo(200)
    assertThat(response.body.string()).isEqualTo("thank you for retrying")
    assertThat(server.takeRequest().body.readUtf8()).isEqualTo("attempt 0")
    assertThat(server.takeRequest().body.readUtf8()).isEqualTo("attempt 1")
    assertThat(server.requestCount).isEqualTo(2)
  }

  @Test
  fun cannotRetryOneShotRequestBody() {

    }

    @Override
    public O apply(I input) {
      applyCount++;
      return delegate.apply(input);
    }

    void verifyCallCount(int expected) {
      assertThat(applyCount).isEqualTo(expected);
    }
  }

  private static <X extends Throwable, V> Function<X, V> unexpectedFunction() {
    return new Function<X, V>() {
      @Override
      public V apply(X t) {

    }

    @Override
    public O apply(I input) {
      applyCount++;
      return delegate.apply(input);
    }

    void verifyCallCount(int expected) {
      assertThat(applyCount).isEqualTo(expected);
    }
  }

  private static <X extends Throwable, V> Function<X, V> unexpectedFunction() {
    return new Function<X, V>() {
      @Override
      public V apply(X t) {

          };
      LocalCache<String, String> cache = makeLocalCache(builder, loader);

      assertThat(cache.getOrLoad("test")).isEqualTo("testLoad");

      ticker.advance(10, MILLISECONDS); // so that the next call will trigger refresh
      assertThat(cache.getOrLoad("test")).isEqualTo("testLoad");
      reloadStarted.await();
      ticker.advance(500, MILLISECONDS); // so that the entry expires during the reload

          };
      LocalCache<String, String> cache = makeLocalCache(builder, loader);

      assertThat(cache.getOrLoad("test")).isEqualTo("testLoad");

      ticker.advance(10, MILLISECONDS); // so that the next call will trigger refresh
      assertThat(cache.getOrLoad("test")).isEqualTo("testLoad");
      reloadStarted.await();
      ticker.advance(500, MILLISECONDS); // so that the entry expires during the reload