public void AddingAfterClearingSuffixTree() { var suffixTree = new SuffixTree(); var words = new string[] { "One", "one", "oNe", "two", "hello", "test", "here", "there", "?!??!?!?!?", "VeryVeryVeryLoooooooooooooooooong", ".k[2c3-9024g-u,9weg,ouimwt", "3q2tgwadh", "`+rv`+*1v+vt23*1`vt*1v", "!@#)(*^$!%@_", " bum ", " bam ", " bum bam ", "1", "12", "123", "1234", "12345", "123456" }; for (int i = 0; i < words.Length; i++) { if (suffixTree.Contains(words[i])) { Assert.Fail(); } suffixTree.Add(words[i]); if (!suffixTree.Contains(words[i])) { Assert.Fail(); } } if (suffixTree.Count != words.Length) { Assert.Fail(); } suffixTree.Clear(); if (suffixTree.Count != 0) { Assert.Fail(); } for (int i = 0; i < words.Length; i++) { if (suffixTree.Contains(words[i])) { Assert.Fail(); } suffixTree.Add(words[i]); if (!suffixTree.Contains(words[i])) { Assert.Fail(); } } Assert.IsTrue(suffixTree.Count == words.Length); }