assertFalse(testTable.containsColumn(2));
  }

  public void testContainsRow() {
    assertTrue(testTable.containsRow('a'));
    assertFalse(testTable.containsRow('A'));
  }

  public void testContainsValue() {
    assertTrue(testTable.containsValue("blah"));
    assertFalse(testTable.containsValue(""));
  }

  public void testGet() {
    assertEquals("blah", testTable.get('a', 1));

    assertTrue(table.containsColumn(1));
    assertTrue(table.containsColumn(3));
    assertFalse(table.containsColumn(2));
    assertFalse(table.containsColumn(null));
  }

  public void testContainsValue() {
    table = create("foo", 1, 'a', "bar", 1, 'b', "foo", 3, 'c');
    assertTrue(table.containsValue('a'));
    assertTrue(table.containsValue('b'));
    assertTrue(table.containsValue('c'));

    } else {
      try {
        boolean unused2 = map.containsKey(null);
      } catch (NullPointerException optional) {
      }
    }
    assertInvariants(map);
  }

  public void testContainsValue() {
    Map<K, V> map;
    V unmappedValue;
    try {
      map = makePopulatedMap();
      unmappedValue = getValueNotInPopulatedMap();
    } catch (UnsupportedOperationException e) {
      return;