}
  }

  protected boolean supportsRemove() {
    return true;
  }

  protected boolean supportsNullValues() {
    return false;
  }

  public void testClear() {
    table = create("foo", 1, 'a', "bar", 1, 'b', "foo", 3, 'c');
    if (supportsRemove()) {
      table.clear();
      assertEquals(0, table.size());

    }
  }

  protected boolean supportsRemove() {
    return true;
  }

  protected boolean supportsNullValues() {
    return false;
  }

  public void testClear() {
    table = create("foo", 1, 'a', "bar", 1, 'b', "foo", 3, 'c');
    if (supportsRemove()) {
      table.clear();
      assertEquals(0, table.size());

                  }
                })
            .named("TreeRangeMap.asMapOfRanges")
            .withFeatures(
                CollectionSize.ANY,
                MapFeature.SUPPORTS_REMOVE,
                MapFeature.ALLOWS_ANY_NULL_QUERIES,
                CollectionFeature.KNOWN_ORDER,
                CollectionFeature.SUPPORTS_ITERATOR_REMOVE)
            .createTestSuite());

            MapFeature.RESTRICTS_KEYS,
            MapFeature.SUPPORTS_REMOVE,
            CollectionFeature.FAILS_FAST_ON_CONCURRENT_MODIFICATION,
            CollectionFeature.SERIALIZABLE,
            CollectionFeature.SUPPORTS_ITERATOR_REMOVE,
            CollectionFeature.SUPPORTS_REMOVE,
            CollectionSize.ANY)
        .named("Hashtable")
        .suppressing(suppressForHashtable())