public void CartesianTreeMustWork()
{
var rnd = new Random(123);
int[] pr = new int[1000000];
for (int i = 0; i < 1000000; ++i)
{
pr[i] = i;
int u = rnd.Next(i + 1);
int tmp = pr[i];
pr[i] = pr[u];
pr[u] = tmp;
}
int prid = 0;
CartesianTree tree = null;
var list = new List <int>();
for (int i = 0; i < 2000; ++i)
{
var value = rnd.Next();
var pos = rnd.Next(list.Count + 1);
CartesianTree.Insert(ref tree, value, pr[prid++], pos);
list.Insert(pos, value);
var testList = new List <int>();
CartesianTree.Dfs(tree, t => testList.Add(t.Data));
Assert.AreEqual(list.Count, testList.Count);
for (int j = 0; j < list.Count; ++j)
{
Assert.AreEqual(list[j], testList[j]);
}
}
for (int i = 0; i < list.Count; ++i)
{
Assert.AreEqual(list[i], CartesianTree.Find(tree, i).Data);
}
for (int i = 0; i < 2000; ++i)
{
var pos = rnd.Next(list.Count);
CartesianTree.Erase(ref tree, pos);
list.RemoveAt(pos);
var testList = new List <int>();
CartesianTree.Dfs(tree, t => testList.Add(t.Data));
Assert.AreEqual(list.Count, testList.Count);
for (int j = 0; j < list.Count; ++j)
{
Assert.AreEqual(list[j], testList[j]);
}
}
}
public void Generate()
{
compare.Clear();
List <Node> temp = new List <Node>();
for (int i = 0; i < cycnum; i++)
{
temp.Add(new Node(r.Next(100)));
}
temp.Sort((node1, node2) => Comparer <int> .Default.Compare(node1.Key, node2.Key));
tree = new CartesianTree <Node, int>(temp)
{
SupportEquatable = true
};
compare.AddRange(temp);
Assert.IsTrue(compare.OrderBy(node => node.Key).SequenceEqual(tree));
}