public void WeissTest()
{
dictionary = new SplayDictionary <int, string>();
const int NUMS = 40000;
const int GAP = 307;
for (int i = GAP; i != 0; i = (i + GAP) % NUMS)
{
dictionary.Add(i, i.ToString());
}
for (int i = 1; i < NUMS; i += 2)
{
dictionary.Remove(i);
}
Assert.AreEqual(new KeyValuePair <int, string>(2, "2"), dictionary.Minimum);
Assert.AreEqual(new KeyValuePair <int, string>(NUMS - 2, (NUMS - 2).ToString()), dictionary.Maximum);
for (int i = 2; i < NUMS; i += 2)
{
Assert.IsTrue(dictionary.ContainsKey(i));
}
for (int i = 1; i < NUMS; i += 2)
{
Assert.IsFalse(dictionary.ContainsKey(i));
}
}
public void CountTest()
{
dictionary = new SplayDictionary <int, string>();
dictionary.Add(5, "five");
Assert.AreEqual(1, dictionary.Count);
dictionary.Add(3, "three");
Assert.AreEqual(2, dictionary.Count);
dictionary.Remove(5);
Assert.AreEqual(1, dictionary.Count);
dictionary.Add(7, "seven");
Assert.AreEqual(2, dictionary.Count);
dictionary.Add(9, "nine");
Assert.AreEqual(3, dictionary.Count);
dictionary.Add(5, "five");
Assert.AreEqual(4, dictionary.Count);
dictionary.Remove(7);
Assert.AreEqual(3, dictionary.Count);
}
public void RemoveFailTest()
{
var array = new[] { new KeyValuePair <int, string>(77, "seventy-seven"),
new KeyValuePair <int, string>(85, "eighty-five"),
new KeyValuePair <int, string>(66, "sixty-six"),
new KeyValuePair <int, string>(56, "fifty-six"),
new KeyValuePair <int, string>(74, "seventy-four"),
new KeyValuePair <int, string>(94, "ninety-four"),
new KeyValuePair <int, string>(27, "twenty-seven"),
new KeyValuePair <int, string>(61, "sixty-one"),
new KeyValuePair <int, string>(48, "forty-eight"),
new KeyValuePair <int, string>(27, "fifty-seven") };
dictionary = new SplayDictionary <int, string>(array);
Assert.IsFalse(dictionary.Remove(34));
}