public void testSerialization() {
    table = create("foo", 1, 'a', "bar", 1, 'b', "foo", 3, 'c');
    SerializableTester.reserializeAndAssert(table);
  }

  public void testToString_ordered() {
    table = create("foo", 1, 'a', "bar", 1, 'b', "foo", 3, 'c');
    assertEquals("{bar={1=b}, foo={1=a, 3=c}}", table.toString());
    assertEquals("{bar={1=b}, foo={1=a, 3=c}}", table.rowMap().toString());
  }