public void testWhiteCount() {
    List<AnswerCombination> combinations = generateAnswerCombinationList();
    assertEquals(5, combinations.get(0).getWhiteCount());
    assertEquals(4, combinations.get(1).getWhiteCount());
    assertEquals(1, combinations.get(2).getWhiteCount());
    assertEquals(1, combinations.get(3).getWhiteCount());
    assertEquals(1, combinations.get(4).getWhiteCount());
    assertEquals(1, combinations.get(5).getWhiteCount());
    assertEquals(2, combinations.get(6).getWhiteCount());
    assertEquals(3, combinations.get(7).getWhiteCount());
    assertEquals(2, combinations.get(8).getWhiteCount());
    assertEquals(1, combinations.get(9).getWhiteCount());
    assertEquals(0, combinations.get(10).getWhiteCount());
    assertEquals(0, combinations.get(11).getWhiteCount());
  }