CacheStats stats = cache.stats();
    assertEquals(0, stats.missCount());
    assertEquals(0, stats.loadSuccessCount());
    assertEquals(0, stats.loadExceptionCount());
    assertEquals(0, stats.hitCount());

    Object one = new Object();
    Object two = new Object();

    assertNull(cache.getIfPresent(one));
    stats = cache.stats();
    assertEquals(1, stats.missCount());

            opLambda.callback(builder);
        }
    }

    public void setOrder_Stats() {
        setOrder_Stats(null);
    }

    public void setOrder_Stats(ConditionOptionCall<StatsAggregationBuilder> opLambda) {
        setOrder_Stats("order", opLambda);
    }

    public void setOrder_Stats(String name, ConditionOptionCall<StatsAggregationBuilder> opLambda) {

  }

  public void testSize() {
    when(mock.size()).thenReturn(0L);
    assertEquals(0, forward.size());
  }

  public void testStats() {
    when(mock.stats()).thenReturn(null);
    assertNull(forward.stats());
  }

  public void testAsMap() {
    when(mock.asMap()).thenReturn(null);
    assertNull(forward.asMap());
  }

  public void testCleanUp() {
    forward.cleanUp();

    assertEquals(1, stats.hitCount());
    assertEquals(1.0 / 2, stats.hitRate());
    assertEquals(1, stats.missCount());
    assertEquals(1.0 / 2, stats.missRate());
    assertEquals(1, stats.loadCount());
    assertEquals(0, stats.evictionCount());

    Object two = new Object();
    cache.getUnchecked(two);
    stats = cache.stats();
    assertEquals(3, stats.requestCount());

          .doubleValue();

  // Stats instances:

  static final Stats EMPTY_STATS_VARARGS = Stats.of();
  static final Stats EMPTY_STATS_ITERABLE = Stats.of(ImmutableList.<Double>of());
  static final Stats ONE_VALUE_STATS = Stats.of(ONE_VALUE);
  static final Stats OTHER_ONE_VALUE_STATS = Stats.of(OTHER_ONE_VALUE);
  static final Stats TWO_VALUES_STATS = Stats.of(TWO_VALUES);

    // Add two elements and invalidate them.
    cache.put(1, 4);
    cache.put(2, 8);

    cache.invalidateAll();

    assertEquals(2, stats[0]);
    assertEquals(2, stats[1]);
    assertEquals(4, stats[2]);
    assertEquals(3, stats[3]);
  }

  public void testPutAll() {
    Cache<Integer, Integer> cache = CacheBuilder.newBuilder().build();

    // GET /api/admin/stats
    @Execute
    public JsonResponse<ApiResult> index() {
        final HashMap<String, Object> stats = new HashMap<>();
        stats.put("jvm", getJvmObj());
        stats.put("os", getOsObj());
        stats.put("process", getProcessObj());
        stats.put("engine", getEngineObj());
        stats.put("fs", getFsObj());

        }
    }

    public void setCreatedTime_Stats() {
        setCreatedTime_Stats(null);
    }

    public void setCreatedTime_Stats(ConditionOptionCall<StatsAggregationBuilder> opLambda) {
        setCreatedTime_Stats("createdTime", opLambda);
    }

    public void setCreatedTime_Stats(String name, ConditionOptionCall<StatsAggregationBuilder> opLambda) {

  }

  public void testSize() {
    when(mock.size()).thenReturn(0L);
    long unused = forward.size();
  }

  public void testStats() {
    when(mock.stats()).thenReturn(null);
    assertNull(forward.stats());
  }

  public void testAsMap() {
    when(mock.asMap()).thenReturn(null);
    assertNull(forward.asMap());
  }

  public void testCleanUp() {
    forward.cleanUp();

  public void testEmpty() {
    CacheStats stats = new CacheStats(0, 0, 0, 0, 0, 0);
    assertEquals(0, stats.requestCount());
    assertEquals(0, stats.hitCount());
    assertEquals(1.0, stats.hitRate());
    assertEquals(0, stats.missCount());
    assertEquals(0.0, stats.missRate());
    assertEquals(0, stats.loadSuccessCount());
    assertEquals(0, stats.loadExceptionCount());
    assertEquals(0.0, stats.loadExceptionRate());