public void BugHunt_AddHeadOnEmpty() { l = new MyList(); l.AddHead(1); Assert.AreEqual("{1}", l.ToString()); l = new MyList(); l.AddHead(0.1); Assert.AreEqual("{0.1}", l.ToString()); l = new MyList(); l.AddHead('x'); Assert.AreEqual("{x}", l.ToString()); l = new MyList(); l.AddHead(null); Assert.AreEqual("{}", l.ToString()); }