@Override
  TreeBasedTable<String, Integer, Character> makeTable() {
    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);

    }

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

    @Override
    protected Map<String, Integer> makeEmptyMap() {
      return makeTable().row('a');
    }

    @Override
    protected Map<String, Integer> makePopulatedMap() {
      Table<Character, String, Integer> table = makeTable();
      table.put('a', "one", 1);
      table.put('a', "two", 2);

    }

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

    @Override
    protected Map<String, Integer> makeEmptyMap() {
      return makeTable().row('a');
    }

    @Override
    protected Map<String, Integer> makePopulatedMap() {
      Table<Character, String, Integer> table = makeTable();
      table.put('a', "one", 1);
      table.put('a', "two", 2);

@ElementTypesAreNonnullByDefault
public class TreeBasedTableRowTest extends RowTests {
  public TreeBasedTableRowTest() {
    super(false, true, true, true, true);
  }

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

public class UnmodifiableRowSortedTableRowTest extends RowTests {
  public UnmodifiableRowSortedTableRowTest() {
    super(false, false, false, false, false);
  }

  @Override
  Table<Character, String, Integer> makeTable() {
    RowSortedTable<Character, String, Integer> table = TreeBasedTable.create();
    return unmodifiableRowSortedTable(table);
  }

  @Override
  protected Map<String, Integer> makePopulatedMap() {

public class UnmodifiableTableColumnMapTest extends ColumnMapTests {
  public UnmodifiableTableColumnMapTest() {
    super(false, false, false, false);
  }

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

  @Override
  protected Map<String, Map<Integer, Character>> makePopulatedMap() {

  @Override
  TreeBasedTable<String, Integer, Character> makeTable() {
    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);

@ElementTypesAreNonnullByDefault
public class HashBasedTableColumnTest extends ColumnTests {
  public HashBasedTableColumnTest() {
    super(false, true, true, true, false);
  }

  @Override
  Table<String, Character, Integer> makeTable() {
    return HashBasedTable.create();
  }

@ElementTypesAreNonnullByDefault
public class TreeBasedTableRowMapTest extends RowMapTests {
  public TreeBasedTableRowMapTest() {
    super(false, true, true, true);
  }

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

@ElementTypesAreNonnullByDefault
public class HashBasedTableColumnMapTest extends ColumnMapTests {
  public HashBasedTableColumnMapTest() {
    super(false, true, true, false);
  }

  @Override
  Table<Integer, String, Character> makeTable() {
    return HashBasedTable.create();
  }