public void TestThatHeadsAreOrderedBasedOnInput()
{
var root = new SimpleNode("root");
var child1 = new SimpleNode("child1");
var child2 = new SimpleNode("child2");
root.AddChild(child1);
root.AddChild(child2);
var graph = new GraphBuilder<SimpleNode>(GetChildren).Build(root);
Assert.AreSame(child1, graph.HeadByIndex(root, 0));
}
public void TestThatRootHeadsAreReachableThroughIndex()
{
var root = new SimpleNode("root");
var child = new SimpleNode("child");
root.AddChild(child);
var graph = new GraphBuilder<SimpleNode>(GetChildren).Build(root);
Assert.AreSame(child, graph.HeadByIndex(root, 0));
}
public void TestThatRequestForHeadByIndexForUnknownNodeThrows()
{
var graph = new GraphBuilder<SimpleNode>(GetChildren).Build(new SimpleNode("root"));
graph.HeadByIndex(new SimpleNode("dummy"), 0); // should throw
}
