public void testRootNode()
{
Node node1 = new Node("state1");
Assert.IsTrue(node1.isRootNode());
Node node2 = new Node("state2", node1, null, 1.0);
Assert.IsTrue(node1.isRootNode());
Assert.IsFalse(node2.isRootNode());
Assert.AreEqual(node1, node2.getParent());
}
public List <Node> getPathFromRoot()
{
List <Node> path = new List <Node>();
Node current = this;
while (!current.isRootNode())
{
path.Insert(0, current);
current = current.getParent();
}
// ensure the root node is added
path.Insert(0, current);
return(path);
}