public void TestGetTweetCount() { List <Tweet> tweets = new List <Tweet> { tweet1, tweet2, tweet3 }; TwitterUser user1 = new TwitterUser(tweets, "testUser"); List <Tweet> tweets2 = new List <Tweet> { tweet2 }; TwitterUser user2 = new TwitterUser(tweets2, "testUser"); List <Tweet> tweets3 = new List <Tweet> { }; TwitterUser user3 = new TwitterUser(tweets3, "testUser"); Assert.AreEqual(3, user1.GetTweetCount()); Assert.AreEqual(1, user2.GetTweetCount()); Assert.AreEqual(0, user3.GetTweetCount()); }