public void remove_from_end_of_stack()
{
a.AppendChild(b);
a.AppendChild(c);
a.AppendChild(d);
a.AppendChild(e);
e.Remove();
A_should_Have_B_then_C_then_D();
}
public void TestTopicNode()
{
//测试无值构造函数，值容器是否为空
TopicNode <int> topicNode = new TopicNode <int>("sport/tennis/player1");
Assert.Equal("sport/tennis/player1", topicNode.Nodevalue);
Assert.Empty(topicNode.Values);
//测试加入叶子主题后，值容器是否为空
topicNode.AddTopicValue(new Topic("sport/tennis/player1/ranking"), 3, 60);
topicNode.AddTopicValue(new Topic("sport/tennis/player1/score/wimbledon"), 3, 100);
Assert.Empty(topicNode.Values);
//测试主题匹配功能，匹配总数目为3,但只有两个有值，结果为2
List <int> matchList = new List <int>();
topicNode.CollectMatches(new Topic("sport/tennis/player1/#"), 3, matchList);
Assert.Equal(2, matchList.Count);
Assert.Contains(60, matchList);
Assert.Contains(100, matchList);
//为根主题加入值
topicNode.AddTopicValue(new Topic("sport/tennis/player1"), 3, 288);
Assert.Single(topicNode.Values);
//为单一主题加入多值测试
matchList = new List <int>();
topicNode.AddTopicValue(new Topic("sport/tennis/player1"), 3, 289);
topicNode.AddTopicValue(new Topic("sport/tennis/player1"), 3, 290);
topicNode.CollectMatches(new Topic("sport/tennis/player1"), 3, matchList);
Assert.Equal(3, matchList.Count);
Assert.Contains(288, matchList); Assert.Contains(289, matchList);
Assert.Contains(290, matchList);
//测试移除某一主题值后的匹配问题
matchList = new List <int>();
topicNode.Remove(new Topic("sport/tennis/player1"), 3, 289);
topicNode.CollectMatches(new Topic("sport/tennis/player1"), 3, matchList);
Assert.Equal(2, matchList.Count);
Assert.Contains(288, matchList);
Assert.DoesNotContain(289, matchList);
Assert.Contains(290, matchList);
//测试移除所有主题下某个值得匹配问题，需要先存在相同值
matchList = new List <int>();
topicNode.AddTopicValue(new Topic("sport/tennis/player1/ranking"), 3, 288);
topicNode.CollectMatches(new Topic("sport/tennis/player1/ranking"), 3, matchList);
Assert.Equal(2, matchList.Count);
Assert.Contains(288, matchList);
topicNode.RemoveAll(288);
matchList = new List <int>();
topicNode.CollectMatches(new Topic("sport/tennis/player1/ranking"), 3, matchList);
Assert.Single(matchList);
Assert.DoesNotContain(288, matchList);
matchList = new List <int>();
topicNode.CollectMatches(new Topic("sport/tennis/player1"), 3, matchList);
Assert.Single(matchList);
Assert.DoesNotContain(288, matchList);
matchList = new List <int>();
topicNode.CollectMatches(new Topic("sport/tennis/player1/#"), 3, matchList);
Assert.DoesNotContain(288, matchList);
}
