public void TestThatNodeTailsAreReachableThroughEnumeration()
{
var root = new SimpleNode("root");
var child = new SimpleNode("child");
root.AddChild(child);
var graph = new GraphBuilder<SimpleNode>(GetChildren).Build(root);
CollectionAssert.Contains(new List<SimpleNode>(graph.TailsFor(child)), root);
}
public void TestThatTailsForChildWithTwoEdgesToRootIncludesRootTwice()
{
var root = new SimpleNode("root");
var child = new SimpleNode("child");
root.AddChild(child);
root.AddChild(child);
var graph = new GraphBuilder<SimpleNode>(GetChildren).Build(root);
Assert.AreEqual(2, graph.TailsFor(child).Count());
}
