public void should_get_correct_count()
{
var graph = new DAG <int>();
Assert.Equal(graph.Out().Count(), 0);
graph.Add(0);
Assert.Equal(graph.Out().Count(), 1);
}
public void should_get_vertexes_for_simple_direct()
{
var graph = new DAG <int>();
const int from = 0;
const int to = 1;
graph.Add(from);
graph.AddPath(from, to);
var items = graph.Out();
Assert.Equal(2, items.Length);
Assert.Equal(to, items[0]);
Assert.Equal(from, items[1]);
}
public void should_get_sub_vertexes_for_one()
{
var graph = new DAG <int>();
const int from = 0;
const int to = 1;
graph.Add(from);
graph.AddPath(from, to);
var subOfTo = graph.GetSubOf(to);
Assert.Equal(0, subOfTo.Length);
var subOfFrom = graph.GetSubOf(from);
Assert.Equal(1, subOfFrom.Length);
Assert.Equal(to, subOfFrom[0]);
}