public void Components()
{
mtg tree = new mtg();
int root = tree.root;
// Scale 1
int root1 = tree.AddComponent(root);
int vertex1 = tree.AddChild(root1);
int vertex2 = tree.AddChild(root1);
int vertex3 = tree.AddChild(root1);
int vertex4 = tree.AddChild(vertex1);
int vertex5 = tree.AddChild(vertex1);
// Verifications
Assert.AreEqual(6, tree.NbComponents(root));
List <int> expectedListOfComponents = new List <int>()
{
root1, vertex1, vertex4, vertex5, vertex2, vertex3
};
CollectionAssert.AreEqual(expectedListOfComponents, tree.Components(root));
Assert.AreEqual(tree.NbComponents(root1), 0);
Assert.AreEqual(tree.NbComponents(vertex1), 0);
Assert.AreEqual(tree.NbComponents(vertex2), 0);
}