public void EnsureAddIntegrity()
{
TreeDictionary <int, int> dictionary = new TreeDictionary <int, int>();
Assert.AreEqual(dictionary.Count, 0);
dictionary.Add(2, 7);
dictionary.Add(1, 4);
dictionary.Add(10, 2);
dictionary.Add(4, 1);
dictionary.Add(3, 2);
dictionary.Add(11, 2);
dictionary.Add(5, 2);
Assert.AreEqual(dictionary.Count, 7);
List <KeyValuePair <int, int> > list = dictionary.AsLevelOrderList();
/*
* Tree Should Look as Follows After Rotations
*
* 2
* 1 4
* 3 10
* 5 11
*
*/
Assert.AreEqual(list.Count, dictionary.Count);
Assert.AreEqual(list[0].Key, 2);
Assert.AreEqual(list[1].Key, 1);
Assert.AreEqual(list[2].Key, 4);
Assert.AreEqual(list[3].Key, 3);
Assert.AreEqual(list[4].Key, 10);
Assert.AreEqual(list[5].Key, 5);
Assert.AreEqual(list[6].Key, 11);
}
public void EnsureRemoveIntegrity()
{
TreeDictionary <int, int> dictionary = new TreeDictionary <int, int>();
Assert.AreEqual(dictionary.Count, 0);
dictionary.Add(2, 7);
dictionary.Add(1, 4);
dictionary.Add(10, 2);
dictionary.Add(4, 1);
dictionary.Add(3, 2);
dictionary.Add(11, 2);
dictionary.Add(5, 2);
dictionary.Add(7, 2);
dictionary.Add(9, 2);
dictionary.Add(8, 2);
dictionary.Add(13, 2);
dictionary.Add(24, 2);
dictionary.Add(6, 2);
Assert.AreEqual(dictionary.Count, 13);
List <KeyValuePair <int, int> > list = dictionary.AsLevelOrderList();
/*
* Tree Should Look as Follows After Rotations
*
* 4
* 2 10
* 1 3 7 13
* 5 9 11 24
* 6 8
*/
foreach (KeyValuePair <int, int> node in list)
{
Console.WriteLine($"{node.Key} -> {node.Value}");
}
Assert.AreEqual(list.Count, dictionary.Count);
Assert.AreEqual(list[0].Key, 4);
Assert.AreEqual(list[1].Key, 2);
Assert.AreEqual(list[2].Key, 10);
Assert.AreEqual(list[3].Key, 1);
Assert.AreEqual(list[4].Key, 3);
Assert.AreEqual(list[5].Key, 7);
Assert.AreEqual(list[6].Key, 13);
Assert.AreEqual(list[7].Key, 5);
Assert.AreEqual(list[8].Key, 9);
Assert.AreEqual(list[9].Key, 11);
Assert.AreEqual(list[10].Key, 24);
Assert.AreEqual(list[11].Key, 6);
Assert.AreEqual(list[12].Key, 8);
list.Clear();
dictionary.Remove(7);
/*
* Tree Should Look as Follows After Removal
*
* 4
* 2 10
* 1 3 6 13
* 5 9 11 24
* 8
*/
list = dictionary.AsLevelOrderList();
foreach (KeyValuePair <int, int> node in list)
{
Console.WriteLine($"{node.Key} -> {node.Value}");
}
Assert.AreEqual(list[0].Key, 4);
Assert.AreEqual(list[1].Key, 2);
Assert.AreEqual(list[2].Key, 10);
Assert.AreEqual(list[3].Key, 1);
Assert.AreEqual(list[4].Key, 3);
Assert.AreEqual(list[5].Key, 6);
Assert.AreEqual(list[6].Key, 13);
Assert.AreEqual(list[7].Key, 5);
Assert.AreEqual(list[8].Key, 9);
Assert.AreEqual(list[9].Key, 11);
Assert.AreEqual(list[10].Key, 24);
Assert.AreEqual(list[11].Key, 8);
list.Clear();
dictionary.Remove(10);
list = dictionary.AsLevelOrderList();
/*
* Tree Should Look as Follows After Removal
*
* 4
* 2 9
* 1 3 6 13
* 5 8 11 24
*
*/
foreach (KeyValuePair <int, int> node in list)
{
Console.WriteLine($"{node.Key} -> {node.Value}");
}
Assert.AreEqual(list[0].Key, 4);
Assert.AreEqual(list[1].Key, 2);
Assert.AreEqual(list[2].Key, 9);
Assert.AreEqual(list[3].Key, 1);
Assert.AreEqual(list[4].Key, 3);
Assert.AreEqual(list[5].Key, 6);
Assert.AreEqual(list[6].Key, 13);
Assert.AreEqual(list[7].Key, 5);
Assert.AreEqual(list[8].Key, 8);
Assert.AreEqual(list[9].Key, 11);
Assert.AreEqual(list[10].Key, 24);
}
public void EnsureOverwriteIntegrity()
{
TreeDictionary <int, int> dictionary = new TreeDictionary <int, int>();
Assert.AreEqual(dictionary.Count, 0);
dictionary.Add(2, 7);
dictionary.Add(1, 4);
dictionary.Add(10, 2);
dictionary.Add(4, 1);
dictionary.Add(3, 2);
dictionary.Add(11, 2);
dictionary.Add(5, 2);
dictionary.Add(7, 2);
dictionary.Add(9, 2);
dictionary.Add(8, 2);
dictionary.Add(13, 2);
dictionary.Add(24, 2);
dictionary.Add(6, 2);
Assert.AreEqual(dictionary.Count, 13);
List <KeyValuePair <int, int> > list = dictionary.AsLevelOrderList();
foreach (KeyValuePair <int, int> node in list)
{
Console.WriteLine($"{node.Key} -> {node.Value}");
}
/*
* Tree Should Look as Follows After Rotations
*
* 4
* 2 10
* 1 3 7 13
* 5 9 11 24
* 6 8
*/
Assert.AreEqual(list.Count, dictionary.Count);
Assert.AreEqual(list[0].Key, 4);
Assert.AreEqual(list[1].Key, 2);
Assert.AreEqual(list[2].Key, 10);
Assert.AreEqual(list[3].Key, 1);
Assert.AreEqual(list[4].Key, 3);
Assert.AreEqual(list[5].Key, 7);
Assert.AreEqual(list[6].Key, 13);
Assert.AreEqual(list[7].Key, 5);
Assert.AreEqual(list[8].Key, 9);
Assert.AreEqual(list[9].Key, 11);
Assert.AreEqual(list[10].Key, 24);
Assert.AreEqual(list[11].Key, 6);
Assert.AreEqual(list[12].Key, 8);
Assert.AreEqual(list[4].Value, 2);
dictionary.Add(3, 4);
list = dictionary.AsLevelOrderList();
Assert.AreEqual(list[4].Value, 4);
// Assure that none of the nodes locations have been modified.
Assert.AreEqual(list[0].Key, 4);
Assert.AreEqual(list[1].Key, 2);
Assert.AreEqual(list[2].Key, 10);
Assert.AreEqual(list[3].Key, 1);
Assert.AreEqual(list[4].Key, 3);
Assert.AreEqual(list[5].Key, 7);
Assert.AreEqual(list[6].Key, 13);
Assert.AreEqual(list[7].Key, 5);
Assert.AreEqual(list[8].Key, 9);
Assert.AreEqual(list[9].Key, 11);
Assert.AreEqual(list[10].Key, 24);
Assert.AreEqual(list[11].Key, 6);
Assert.AreEqual(list[12].Key, 8);
}
