public void Test_Clear()
{
Trie t = new Trie();
Assert.AreEqual(t.Count, 0);
t.Clear();
Assert.AreEqual(t.Count, 0);
t.Add("one", "one");
Assert.AreEqual(t.Count, 1);
t.Clear();
Assert.AreEqual(t.Count, 0);
}
private Trie data()
{
Trie t = new Trie();
t.Add("one", "one");
t[2] = "2";
t["~"] = "~";
t["a~"] = "a~";
t["~a"] = "~a";
t[' '] = " ";
t[" "] = " ";
Assert.AreEqual(t.Count, 7);
Assert.IsTrue(t.Contains("~"));
Assert.IsTrue(!t.Contains("~~"));
return t;
}