Table<String, Integer, @Nullable Character> copy = ArrayTable.create(original);
    assertEquals(4, copy.size());
    assertEquals((Character) 'a', copy.get("foo", 1));
    assertEquals((Character) 'b', copy.get("bar", 1));
    assertEquals((Character) 'c', copy.get("foo", 3));
    assertNull(copy.get("bar", 3));
    original.put("foo", 1, 'd');
    assertEquals((Character) 'd', original.get("foo", 1));

    Table<String, Integer, @Nullable Character> copy = ArrayTable.create(original);
    assertEquals(4, copy.size());
    assertEquals((Character) 'a', copy.get("foo", 1));
    assertEquals((Character) 'b', copy.get("bar", 1));
    assertEquals((Character) 'c', copy.get("foo", 3));
    assertNull(copy.get("bar", 3));
    original.put("foo", 1, 'd');
    assertEquals((Character) 'd', original.get("foo", 1));

public class ImmutableTableTest extends AbstractTableReadTest<Character> {
  @Override
  protected Table<String, Integer, Character> create(@Nullable Object... data) {
    ImmutableTable.Builder<String, Integer, Character> builder = ImmutableTable.builder();
    for (int i = 0; i < data.length; i = i + 3) {
      builder.put((String) data[i], (Integer) data[i + 1], (Character) data[i + 2]);
    }
    return builder.build();
  }

   * is guaranteed to be in the range {@code 0 <= cp <= Character#MAX_CODE_POINT}.
   *
   * <p>If an empty array is returned, this effectively strips the input character from the
   * resulting text.
   *
   * <p>If the character does not need to be escaped, this method should return {@code null}, rather
   * than an array containing the character representation of the code point. This enables the

    private final SuccessorsFunction<Character> delegate;
    final Multiset<Character> requestedNodes = HashMultiset.create();

    RequestSavingGraph(SuccessorsFunction<Character> delegate) {
      this.delegate = checkNotNull(delegate);
    }

    @Override
    public Iterable<? extends Character> successors(Character node) {
      requestedNodes.add(node);

public class ImmutableTableTest extends AbstractTableReadTest<Character> {
  @Override
  protected Table<String, Integer, Character> create(@Nullable Object... data) {
    ImmutableTable.Builder<String, Integer, Character> builder = ImmutableTable.builder();
    for (int i = 0; i < data.length; i = i + 3) {
      builder.put((String) data[i], (Integer) data[i + 1], (Character) data[i + 2]);
    }
    return builder.build();
  }

    abstract Table<String, Integer, Character> createTable();

    @Override
    @SuppressWarnings("unchecked")
    public Cell<String, Integer, Character>[] createArray(int length) {
      return (Cell<String, Integer, Character>[]) new Cell<?, ?, ?>[length];
    }

    @Override
    public List<Cell<String, Integer, Character>> order(
        List<Cell<String, Integer, Character>> insertionOrder) {

    abstract Table<String, Integer, Character> createTable();

    @Override
    @SuppressWarnings("unchecked")
    public Cell<String, Integer, Character>[] createArray(int length) {
      return (Cell<String, Integer, Character>[]) new Cell<?, ?, ?>[length];
    }

    @Override
    public List<Cell<String, Integer, Character>> order(
        List<Cell<String, Integer, Character>> insertionOrder) {

    }

    /**
     * Adds a replacement string for the given input character. The specified character will be
     * replaced by the given string whenever it occurs in the input, irrespective of whether it lies
     * inside or outside the 'safe' range.
     *
     * @param c the character to be replaced
     * @param replacement the string to replace the given character
     * @return the builder instance

    private final SuccessorsFunction<Character> delegate;
    final Multiset<Character> requestedNodes = HashMultiset.create();

    RequestSavingGraph(SuccessorsFunction<Character> delegate) {
      this.delegate = checkNotNull(delegate);
    }

    @Override
    public Iterable<? extends Character> successors(Character node) {
      requestedNodes.add(node);