UAM.Kora.Tests.XFastTrie.FirstLast C# (CSharp) Method

        public void FirstLast()
        {
            XFastTrie<string> trie = new XFastTrie<string>();
            Assert.IsNull(trie.First());
            Assert.IsNull(trie.Last());
            trie.Add(100, "100");
            Assert.AreEqual(new KVP(100, "100"), trie.First());
            Assert.AreEqual(new KVP(100, "100"), trie.Last());
            trie.Add(200, "200");
            Assert.AreEqual(new KVP(100, "100"), trie.First());
            Assert.AreEqual(new KVP(200, "200"), trie.Last());
        }