public TablesTransposeColumnTest() {
    super(false, true, true, true, true);
  }

  @Override
  Table<String, Character, Integer> makeTable() {
    Table<Character, String, Integer> original = TreeBasedTable.create();
    return Tables.transpose(original);
  }

   *
   * @param table the table to copy
   * @throws NullPointerException if any of the row keys, column keys, or values in {@code table} is
   *     null
   */
  public static <R, C, V> HashBasedTable<R, C, V> create(
      Table<? extends R, ? extends C, ? extends V> table) {
    HashBasedTable<R, C, V> result = create();
    result.putAll(table);
    return result;
  }

    }
  }

  /**
   * Returns the bucket (in either the K-to-V or V-to-K tables) where elements with the specified
   * hash could be found, if present, or could be inserted.
   */
  private int bucket(int hash) {
    return hash & (hashTableKToV.length - 1);
  }

  /** Given a key, returns the index of the entry in the tables, or ABSENT if not found. */
  int findEntryByKey(@CheckForNull Object key) {

 *   <li>{@link MoreCollectors}
 *   <li>{@link Multimaps}
 *   <li>{@link Multisets}
 *   <li>{@link ObjectArrays}
 *   <li>{@link Queues}
 *   <li>{@link Sets}
 *   <li>{@link Streams}
 *   <li>{@link Tables}
 * </ul>
 *
 * <h2>Abstract implementations</h2>
 *
 * <ul>
 *   <li>{@link AbstractIterator}
 *   <li>{@link AbstractSequentialIterator}
 *   <li>{@link UnmodifiableIterator}

      assertEquals(2, table.size());
      assertEquals((Character) 'a', table.get("foo", 1));
      assertEquals((Character) 'b', table.get("bar", 1));
      assertNull(table.get("foo", 3));
      assertNull(table.remove(null, 1));
      assertNull(table.remove("foo", null));
      assertNull(table.remove(null, null));
      assertSize(2);
    } else {
      try {
        table.remove("foo", 3);

    table.put("cat", 1, 'b');
    table.clear();
    populate(table, data);
    return table;
  }

  public void testCreateExplicitComparators() {
    table = TreeBasedTable.create(Collections.reverseOrder(), Ordering.usingToString());
    table.put("foo", 3, 'a');
    table.put("foo", 12, 'b');
    table.put("bar", 5, 'c');
    table.put("cat", 8, 'd');

    // Compute the hash table.
    char[] table = new char[chooseTableSize(size)];
    int mask = table.length - 1;
    for (int c = chars.nextSetBit(0); c != -1; c = chars.nextSetBit(c + 1)) {
      // Compute the filter at the same time.
      filter |= 1L << c;
      int index = smear(c) & mask;
      while (true) {
        // Check for empty.
        if (table[index] == 0) {
          table[index] = (char) c;

    int result = 0;
    for (Segment<K, V, ?, ?> segment : map.segments) {
      AtomicReferenceArray<? extends InternalEntry<K, V, ?>> table = segment.table;
      for (int i = 0; i < table.length(); i++) {
        for (InternalEntry<K, V, ?> e = table.get(i); e != null; e = e.getNext()) {
          if (map.isLiveForTesting(e)) {
            result++;
          }
        }
      }
    }

    int result = 0;
    for (Segment<K, V, ?, ?> segment : map.segments) {
      AtomicReferenceArray<? extends InternalEntry<K, V, ?>> table = segment.table;
      for (int i = 0; i < table.length(); i++) {
        for (InternalEntry<K, V, ?> e = table.get(i); e != null; e = e.getNext()) {
          if (map.isLiveForTesting(e)) {
            result++;
          }
        }
      }
    }

    TreeBasedTable<String, Integer, Character> table = TreeBasedTable.create();
    table.put("a", 1, 'a');
    table.put("z", 1, 'a');
    return table;
  }

  @Override
  protected Map<String, Map<Integer, Character>> makePopulatedMap() {
    TreeBasedTable<String, Integer, Character> table = makeTable();
    populateTable(table);
    return table.rowMap().subMap("b", "x");
  }

  @Override