assertEquals(c, navigableMap.ceilingEntry(c.getKey()));
    assertEquals(c.getKey(), navigableMap.ceilingKey(c.getKey()));
  }

  @CollectionSize.Require(SEVERAL)
  public void testHigher() {
    resetWithHole();
    assertEquals(c, navigableMap.higherEntry(a.getKey()));
    assertEquals(c.getKey(), navigableMap.higherKey(a.getKey()));
    assertEquals(c, navigableMap.higherEntry(b.getKey()));

    assertEquals(a, navigableSet.ceiling(a));
    assertEquals(b, navigableSet.ceiling(b));
    assertEquals(c, navigableSet.ceiling(c));
  }

  @CollectionSize.Require(SEVERAL)
  public void testHigher() {
    assertEquals(b, navigableSet.higher(a));
    assertEquals(c, navigableSet.higher(b));
    assertEquals(null, navigableSet.higher(c));
  }

  @CollectionFeature.Require(SUPPORTS_REMOVE)

    assertEquals(a, navigableSet.ceiling(a));
    assertEquals(b, navigableSet.ceiling(b));
    assertEquals(c, navigableSet.ceiling(c));
  }

  @CollectionSize.Require(SEVERAL)
  public void testHigher() {
    assertEquals(b, navigableSet.higher(a));
    assertEquals(c, navigableSet.higher(b));
    assertEquals(null, navigableSet.higher(c));
  }

  @CollectionFeature.Require(SUPPORTS_REMOVE)

    assertEquals(c, sortedMultiset.tailMultiset(c.getElement(), CLOSED).firstEntry());
  }

  @CollectionSize.Require(SEVERAL)
  public void testHigher() {
    resetWithHole();
    assertEquals(c, sortedMultiset.tailMultiset(a.getElement(), OPEN).firstEntry());
    assertEquals(c, sortedMultiset.tailMultiset(b.getElement(), OPEN).firstEntry());

    assertEquals(c, sortedMultiset.tailMultiset(c.getElement(), CLOSED).firstEntry());
  }

  @CollectionSize.Require(SEVERAL)
  public void testHigher() {
    resetWithHole();
    assertEquals(c, sortedMultiset.tailMultiset(a.getElement(), OPEN).firstEntry());
    assertEquals(c, sortedMultiset.tailMultiset(b.getElement(), OPEN).firstEntry());

    Weigher<Object, Object> testWeigher =
        new Weigher<Object, Object>() {
          @Override
          public int weigh(Object key, Object value) {
            return 42;
          }
        };
    LocalCache<Object, Object> map =
        makeLocalCache(createCacheBuilder().maximumWeight(1).weigher(testWeigher));
    assertThat(map.weigher).isSameInstanceAs(testWeigher);
  }

    Weigher<Object, Object> testWeigher =
        new Weigher<Object, Object>() {
          @Override
          public int weigh(Object key, Object value) {
            return 42;
          }
        };
    LocalCache<Object, Object> map =
        makeLocalCache(createCacheBuilder().maximumWeight(1).weigher(testWeigher));
    assertThat(map.weigher).isSameInstanceAs(testWeigher);
  }