source.put("boost", 1.5);
        source.put("content_length", 12345);

        final String html = new HtmlIndexExportFormatter().format(source, Collections.emptySet());

        assertTrue(html.contains("<meta name=\"fess:boost\" content=\"1.5\">"));
        assertTrue(html.contains("<meta name=\"fess:content_length\" content=\"12345\">"));
    }

    @Test

    Iterator<Integer> iterator = singleton(0).iterator();
    assertEquals(1, Iterators.size(iterator));
  }

  public void testSize_partiallyConsumed() {
    Iterator<Integer> iterator = asList(1, 2, 3, 4, 5).iterator();
    iterator.next();
    iterator.next();
    assertEquals(3, Iterators.size(iterator));
  }

  public void test_contains_nonnull_yes() {

    assertThat(stats.loadSuccessCount()).isEqualTo(1);
    assertThat(stats.loadExceptionCount()).isEqualTo(0);
    assertThat(stats.hitCount()).isEqualTo(0);

    assertThat(cache.getAll(asList(1, 2, 3, 4))).containsExactly(1, 1, 2, 2, 3, 3, 4, 4);
    stats = cache.stats();
    assertThat(stats.missCount()).isEqualTo(4);
    assertThat(stats.loadSuccessCount()).isEqualTo(4);