} else {
        return first.compareTo(second);
      }
    }
  }

  /** Decreasing integer values. A {@code null} comes before any non-null value. */
  private static final Comparator<@Nullable Integer> DECREASING_INT_COMPARATOR =
      Ordering.<Integer>natural().reverse().<Integer>nullsFirst();

  private SetMultimap<String, Integer> create() {
    return TreeMultimap.create(StringLength.COMPARATOR, DECREASING_INT_COMPARATOR);
  }

    Table<String, Integer, Character> table1 = HashBasedTable.create(100, 20);
    table1.put("foo", 1, 'a');
    assertEquals((Character) 'a', table1.get("foo", 1));

    Table<String, Integer, Character> table2 = HashBasedTable.create(100, 0);
    table2.put("foo", 1, 'a');
    assertEquals((Character) 'a', table2.get("foo", 1));

    Table<String, Integer, Character> table3 = HashBasedTable.create(0, 20);

    super(true, true, true, true, true);
  }

  @Override
  protected SortedMap<String, Integer> makeEmptyMap() {
    return new SimpleForwardingSortedMap<>(
        new TreeMap<String, Integer>(Ordering.<String>natural().nullsFirst()));
  }

  @Override
  protected SortedMap<String, Integer> makePopulatedMap() {
    final SortedMap<String, Integer> sortedMap = makeEmptyMap();
    sortedMap.put("one", 1);
    sortedMap.put("two", 2);

      };

  @Override
  protected Table<String, Integer, Character> create(@Nullable Object... data) {
    Table<String, Integer, String> table = HashBasedTable.create();
    checkArgument(data.length % 3 == 0);
    for (int i = 0; i < data.length; i += 3) {
      String value = (data[i + 2] == null) ? null : (data[i + 2] + "transformed");
      table.put((String) data[i], (Integer) data[i + 1], value);
    }

    extends AbstractTableReadTest<C> {

  protected void populate(Table<String, Integer, C> table, @Nullable Object... data) {
    checkArgument(data.length % 3 == 0);
    for (int i = 0; i < data.length; i += 3) {
      table.put(
          (String) data[i], (Integer) data[i + 1], nullableCellValue((Character) data[i + 2]));
    }
  }

  protected boolean supportsRemove() {
    return true;

    for (Integer i : IN_ORDER_VALUES) {
      GeneralRange<@Nullable Integer> range = GeneralRange.range(ORDERING, i, CLOSED, i, CLOSED);
      for (Integer j : IN_ORDER_VALUES) {
        assertEquals(Objects.equal(i, j), range.contains(j));
      }
    }
  }

  public void testSingletonRange() {
    GeneralRange<@Nullable Integer> range = GeneralRange.range(ORDERING, 3, CLOSED, 3, CLOSED);
    for (Integer i : IN_ORDER_VALUES) {

    int k = 200000;
    final long[] compareCalls = {0};
    Comparator<Integer> cmp =
        new Comparator<Integer>() {
          @Override
          public int compare(Integer o1, Integer o2) {
            compareCalls[0]++;
            return o1.compareTo(o2);
          }
        };
    TopKSelector<Integer> top = TopKSelector.least(k, cmp);
    top.offer(1);
    for (int i = 1; i < n; i++) {

  @Override
  protected Table<String, Integer, Character> create(@Nullable Object... data) {
    Supplier<TreeMap<Integer, Character>> factory =
        new Supplier<TreeMap<Integer, Character>>() {
          @Override
          public TreeMap<Integer, Character> get() {
            return Maps.newTreeMap();
          }
        };
    Map<String, Map<Integer, Character>> backingMap = Maps.newLinkedHashMap();

    // We know that we have only added non-null Characters.
    Table<String, Integer, Character> hashCopy =
        HashBasedTable.create((Table<String, Integer, ? extends Character>) table);
    Table<String, Integer, C> reordered = create("foo", 3, 'c', "foo", 1, 'a', "bar", 1, 'b');
    Table<String, Integer, C> smaller = create("foo", 1, 'a', "bar", 1, 'b');
    Table<String, Integer, C> swapOuter = create("bar", 1, 'a', "foo", 1, 'b', "bar", 3, 'c');

    // We know that we have only added non-null Characters.
    Table<String, Integer, Character> hashCopy =
        HashBasedTable.create((Table<String, Integer, ? extends Character>) table);
    Table<String, Integer, C> reordered = create("foo", 3, 'c', "foo", 1, 'a', "bar", 1, 'b');
    Table<String, Integer, C> smaller = create("foo", 1, 'a', "bar", 1, 'b');
    Table<String, Integer, C> swapOuter = create("bar", 1, 'a', "foo", 1, 'b', "bar", 3, 'c');